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-rw-r--r--fs/afs/file.c4
-rw-r--r--fs/binfmt_aout.c1
-rw-r--r--fs/binfmt_elf.c1
-rw-r--r--fs/binfmt_elf_fdpic.c7
-rw-r--r--fs/binfmt_flat.c1
-rw-r--r--fs/binfmt_som.c1
-rw-r--r--fs/buffer.c2
-rw-r--r--fs/compat.c1
-rw-r--r--fs/direct-io.c4
-rw-r--r--fs/exec.c17
-rw-r--r--fs/hugetlbfs/inode.c206
-rw-r--r--fs/jfs/jfs_metapage.c12
-rw-r--r--fs/nfs/inode.c2
-rw-r--r--fs/proc/array.c2
-rw-r--r--fs/proc/task_mmu.c51
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c7
16 files changed, 174 insertions, 145 deletions
diff --git a/fs/afs/file.c b/fs/afs/file.c
index 0d576987ec67..4975c9c193dd 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -291,8 +291,8 @@ static int afs_file_releasepage(struct page *page, gfp_t gfp_flags)
cachefs_uncache_page(vnode->cache, page);
#endif
- pageio = (struct cachefs_page *) page->private;
- page->private = 0;
+ pageio = (struct cachefs_page *) page_private(page);
+ set_page_private(page, 0);
ClearPagePrivate(page);
if (pageio)
diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index dd9baabaf016..72011826f0cb 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -318,7 +318,6 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
current->mm->free_area_cache = current->mm->mmap_base;
current->mm->cached_hole_size = 0;
- set_mm_counter(current->mm, rss, 0);
current->mm->mmap = NULL;
compute_creds(bprm);
current->flags &= ~PF_FORKNOEXEC;
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index d4b15576e584..918ccc267e41 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -773,7 +773,6 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs)
/* Do this so that we can load the interpreter, if need be. We will
change some of these later */
- set_mm_counter(current->mm, rss, 0);
current->mm->free_area_cache = current->mm->mmap_base;
current->mm->cached_hole_size = 0;
retval = setup_arg_pages(bprm, randomize_stack_top(STACK_TOP),
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 134c9c0d1f54..dda87c4c82a3 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -294,14 +294,7 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm, struct pt_regs *regs
&interp_params,
&current->mm->start_stack,
&current->mm->start_brk);
-#endif
-
- /* do this so that we can load the interpreter, if need be
- * - we will change some of these later
- */
- set_mm_counter(current->mm, rss, 0);
-#ifdef CONFIG_MMU
retval = setup_arg_pages(bprm, current->mm->start_stack, executable_stack);
if (retval < 0) {
send_sig(SIGKILL, current, 0);
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 7974efa107bc..9d6625829b99 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -650,7 +650,6 @@ static int load_flat_file(struct linux_binprm * bprm,
current->mm->start_brk = datapos + data_len + bss_len;
current->mm->brk = (current->mm->start_brk + 3) & ~3;
current->mm->context.end_brk = memp + ksize((void *) memp) - stack_len;
- set_mm_counter(current->mm, rss, 0);
}
if (flags & FLAT_FLAG_KTRACE)
diff --git a/fs/binfmt_som.c b/fs/binfmt_som.c
index 227a2682d2bf..00a91dc25d16 100644
--- a/fs/binfmt_som.c
+++ b/fs/binfmt_som.c
@@ -259,7 +259,6 @@ load_som_binary(struct linux_binprm * bprm, struct pt_regs * regs)
create_som_tables(bprm);
current->mm->start_stack = bprm->p;
- set_mm_counter(current->mm, rss, 0);
#if 0
printk("(start_brk) %08lx\n" , (unsigned long) current->mm->start_brk);
diff --git a/fs/buffer.c b/fs/buffer.c
index b1667986442f..2066e4cb700c 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -96,7 +96,7 @@ static void
__clear_page_buffers(struct page *page)
{
ClearPagePrivate(page);
- page->private = 0;
+ set_page_private(page, 0);
page_cache_release(page);
}
diff --git a/fs/compat.c b/fs/compat.c
index a719e158e002..8e71cdbecc7c 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1490,7 +1490,6 @@ int compat_do_execve(char * filename,
/* execve success */
security_bprm_free(bprm);
acct_update_integrals(current);
- update_mem_hiwater(current);
kfree(bprm);
return retval;
}
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 0d06097bc995..3931e7f1e6bf 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -162,6 +162,7 @@ static int dio_refill_pages(struct dio *dio)
up_read(&current->mm->mmap_sem);
if (ret < 0 && dio->blocks_available && (dio->rw == WRITE)) {
+ struct page *page = ZERO_PAGE(dio->curr_user_address);
/*
* A memory fault, but the filesystem has some outstanding
* mapped blocks. We need to use those blocks up to avoid
@@ -169,7 +170,8 @@ static int dio_refill_pages(struct dio *dio)
*/
if (dio->page_errors == 0)
dio->page_errors = ret;
- dio->pages[0] = ZERO_PAGE(dio->curr_user_address);
+ page_cache_get(page);
+ dio->pages[0] = page;
dio->head = 0;
dio->tail = 1;
ret = 0;
diff --git a/fs/exec.c b/fs/exec.c
index d2208f7c87db..ba73797eb4cb 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -309,40 +309,36 @@ void install_arg_page(struct vm_area_struct *vma,
pud_t * pud;
pmd_t * pmd;
pte_t * pte;
+ spinlock_t *ptl;
if (unlikely(anon_vma_prepare(vma)))
- goto out_sig;
+ goto out;
flush_dcache_page(page);
pgd = pgd_offset(mm, address);
-
- spin_lock(&mm->page_table_lock);
pud = pud_alloc(mm, pgd, address);
if (!pud)
goto out;
pmd = pmd_alloc(mm, pud, address);
if (!pmd)
goto out;
- pte = pte_alloc_map(mm, pmd, address);
+ pte = pte_alloc_map_lock(mm, pmd, address, &ptl);
if (!pte)
goto out;
if (!pte_none(*pte)) {
- pte_unmap(pte);
+ pte_unmap_unlock(pte, ptl);
goto out;
}
- inc_mm_counter(mm, rss);
+ inc_mm_counter(mm, anon_rss);
lru_cache_add_active(page);
set_pte_at(mm, address, pte, pte_mkdirty(pte_mkwrite(mk_pte(
page, vma->vm_page_prot))));
page_add_anon_rmap(page, vma, address);
- pte_unmap(pte);
- spin_unlock(&mm->page_table_lock);
+ pte_unmap_unlock(pte, ptl);
/* no need for flush_tlb */
return;
out:
- spin_unlock(&mm->page_table_lock);
-out_sig:
__free_page(page);
force_sig(SIGKILL, current);
}
@@ -1207,7 +1203,6 @@ int do_execve(char * filename,
/* execve success */
security_bprm_free(bprm);
acct_update_integrals(current);
- update_mem_hiwater(current);
kfree(bprm);
return retval;
}
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 3a9b6d179cbd..e026c807e6b3 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -45,10 +45,58 @@ static struct backing_dev_info hugetlbfs_backing_dev_info = {
int sysctl_hugetlb_shm_group;
+static void huge_pagevec_release(struct pagevec *pvec)
+{
+ int i;
+
+ for (i = 0; i < pagevec_count(pvec); ++i)
+ put_page(pvec->pages[i]);
+
+ pagevec_reinit(pvec);
+}
+
+/*
+ * huge_pages_needed tries to determine the number of new huge pages that
+ * will be required to fully populate this VMA. This will be equal to
+ * the size of the VMA in huge pages minus the number of huge pages
+ * (covered by this VMA) that are found in the page cache.
+ *
+ * Result is in bytes to be compatible with is_hugepage_mem_enough()
+ */
+unsigned long
+huge_pages_needed(struct address_space *mapping, struct vm_area_struct *vma)
+{
+ int i;
+ struct pagevec pvec;
+ unsigned long start = vma->vm_start;
+ unsigned long end = vma->vm_end;
+ unsigned long hugepages = (end - start) >> HPAGE_SHIFT;
+ pgoff_t next = vma->vm_pgoff;
+ pgoff_t endpg = next + ((end - start) >> PAGE_SHIFT);
+
+ pagevec_init(&pvec, 0);
+ while (next < endpg) {
+ if (!pagevec_lookup(&pvec, mapping, next, PAGEVEC_SIZE))
+ break;
+ for (i = 0; i < pagevec_count(&pvec); i++) {
+ struct page *page = pvec.pages[i];
+ if (page->index > next)
+ next = page->index;
+ if (page->index >= endpg)
+ break;
+ next++;
+ hugepages--;
+ }
+ huge_pagevec_release(&pvec);
+ }
+ return hugepages << HPAGE_SHIFT;
+}
+
static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
{
struct inode *inode = file->f_dentry->d_inode;
struct address_space *mapping = inode->i_mapping;
+ unsigned long bytes;
loff_t len, vma_len;
int ret;
@@ -67,6 +115,10 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
if (vma->vm_end - vma->vm_start < HPAGE_SIZE)
return -EINVAL;
+ bytes = huge_pages_needed(mapping, vma);
+ if (!is_hugepage_mem_enough(bytes))
+ return -ENOMEM;
+
vma_len = (loff_t)(vma->vm_end - vma->vm_start);
down(&inode->i_sem);
@@ -79,10 +131,8 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
if (!(vma->vm_flags & VM_WRITE) && len > inode->i_size)
goto out;
- ret = hugetlb_prefault(mapping, vma);
- if (ret)
- goto out;
-
+ ret = 0;
+ hugetlb_prefault_arch_hook(vma->vm_mm);
if (inode->i_size < len)
inode->i_size = len;
out:
@@ -92,7 +142,7 @@ out:
}
/*
- * Called under down_write(mmap_sem), page_table_lock is not held
+ * Called under down_write(mmap_sem).
*/
#ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA
@@ -171,16 +221,6 @@ static int hugetlbfs_commit_write(struct file *file,
return -EINVAL;
}
-static void huge_pagevec_release(struct pagevec *pvec)
-{
- int i;
-
- for (i = 0; i < pagevec_count(pvec); ++i)
- put_page(pvec->pages[i]);
-
- pagevec_reinit(pvec);
-}
-
static void truncate_huge_page(struct page *page)
{
clear_page_dirty(page);
@@ -224,52 +264,35 @@ static void truncate_hugepages(struct address_space *mapping, loff_t lstart)
static void hugetlbfs_delete_inode(struct inode *inode)
{
- struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(inode->i_sb);
-
- hlist_del_init(&inode->i_hash);
- list_del_init(&inode->i_list);
- list_del_init(&inode->i_sb_list);
- inode->i_state |= I_FREEING;
- inodes_stat.nr_inodes--;
- spin_unlock(&inode_lock);
-
if (inode->i_data.nrpages)
truncate_hugepages(&inode->i_data, 0);
-
- security_inode_delete(inode);
-
- if (sbinfo->free_inodes >= 0) {
- spin_lock(&sbinfo->stat_lock);
- sbinfo->free_inodes++;
- spin_unlock(&sbinfo->stat_lock);
- }
-
clear_inode(inode);
- destroy_inode(inode);
}
static void hugetlbfs_forget_inode(struct inode *inode)
{
- struct super_block *super_block = inode->i_sb;
- struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(super_block);
+ struct super_block *sb = inode->i_sb;
- if (hlist_unhashed(&inode->i_hash))
- goto out_truncate;
-
- if (!(inode->i_state & (I_DIRTY|I_LOCK))) {
- list_del(&inode->i_list);
- list_add(&inode->i_list, &inode_unused);
- }
- inodes_stat.nr_unused++;
- if (!super_block || (super_block->s_flags & MS_ACTIVE)) {
+ if (!hlist_unhashed(&inode->i_hash)) {
+ if (!(inode->i_state & (I_DIRTY|I_LOCK)))
+ list_move(&inode->i_list, &inode_unused);
+ inodes_stat.nr_unused++;
+ if (!sb || (sb->s_flags & MS_ACTIVE)) {
+ spin_unlock(&inode_lock);
+ return;
+ }
+ inode->i_state |= I_WILL_FREE;
spin_unlock(&inode_lock);
- return;
+ /*
+ * write_inode_now is a noop as we set BDI_CAP_NO_WRITEBACK
+ * in our backing_dev_info.
+ */
+ write_inode_now(inode, 1);
+ spin_lock(&inode_lock);
+ inode->i_state &= ~I_WILL_FREE;
+ inodes_stat.nr_unused--;
+ hlist_del_init(&inode->i_hash);
}
-
- /* write_inode_now() ? */
- inodes_stat.nr_unused--;
- hlist_del_init(&inode->i_hash);
-out_truncate:
list_del_init(&inode->i_list);
list_del_init(&inode->i_sb_list);
inode->i_state |= I_FREEING;
@@ -277,13 +300,6 @@ out_truncate:
spin_unlock(&inode_lock);
if (inode->i_data.nrpages)
truncate_hugepages(&inode->i_data, 0);
-
- if (sbinfo->free_inodes >= 0) {
- spin_lock(&sbinfo->stat_lock);
- sbinfo->free_inodes++;
- spin_unlock(&sbinfo->stat_lock);
- }
-
clear_inode(inode);
destroy_inode(inode);
}
@@ -291,7 +307,7 @@ out_truncate:
static void hugetlbfs_drop_inode(struct inode *inode)
{
if (!inode->i_nlink)
- hugetlbfs_delete_inode(inode);
+ generic_delete_inode(inode);
else
hugetlbfs_forget_inode(inode);
}
@@ -308,7 +324,6 @@ hugetlb_vmtruncate_list(struct prio_tree_root *root, unsigned long h_pgoff)
vma_prio_tree_foreach(vma, &iter, root, h_pgoff, ULONG_MAX) {
unsigned long h_vm_pgoff;
- unsigned long v_length;
unsigned long v_offset;
h_vm_pgoff = vma->vm_pgoff >> (HPAGE_SHIFT - PAGE_SHIFT);
@@ -319,11 +334,8 @@ hugetlb_vmtruncate_list(struct prio_tree_root *root, unsigned long h_pgoff)
if (h_vm_pgoff >= h_pgoff)
v_offset = 0;
- v_length = vma->vm_end - vma->vm_start;
-
- zap_hugepage_range(vma,
- vma->vm_start + v_offset,
- v_length - v_offset);
+ unmap_hugepage_range(vma,
+ vma->vm_start + v_offset, vma->vm_end);
}
}
@@ -379,17 +391,6 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid,
gid_t gid, int mode, dev_t dev)
{
struct inode *inode;
- struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(sb);
-
- if (sbinfo->free_inodes >= 0) {
- spin_lock(&sbinfo->stat_lock);
- if (!sbinfo->free_inodes) {
- spin_unlock(&sbinfo->stat_lock);
- return NULL;
- }
- sbinfo->free_inodes--;
- spin_unlock(&sbinfo->stat_lock);
- }
inode = new_inode(sb);
if (inode) {
@@ -531,29 +532,51 @@ static void hugetlbfs_put_super(struct super_block *sb)
}
}
+static inline int hugetlbfs_dec_free_inodes(struct hugetlbfs_sb_info *sbinfo)
+{
+ if (sbinfo->free_inodes >= 0) {
+ spin_lock(&sbinfo->stat_lock);
+ if (unlikely(!sbinfo->free_inodes)) {
+ spin_unlock(&sbinfo->stat_lock);
+ return 0;
+ }
+ sbinfo->free_inodes--;
+ spin_unlock(&sbinfo->stat_lock);
+ }
+
+ return 1;
+}
+
+static void hugetlbfs_inc_free_inodes(struct hugetlbfs_sb_info *sbinfo)
+{
+ if (sbinfo->free_inodes >= 0) {
+ spin_lock(&sbinfo->stat_lock);
+ sbinfo->free_inodes++;
+ spin_unlock(&sbinfo->stat_lock);
+ }
+}
+
+
static kmem_cache_t *hugetlbfs_inode_cachep;
static struct inode *hugetlbfs_alloc_inode(struct super_block *sb)
{
+ struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(sb);
struct hugetlbfs_inode_info *p;
+ if (unlikely(!hugetlbfs_dec_free_inodes(sbinfo)))
+ return NULL;
p = kmem_cache_alloc(hugetlbfs_inode_cachep, SLAB_KERNEL);
- if (!p)
+ if (unlikely(!p)) {
+ hugetlbfs_inc_free_inodes(sbinfo);
return NULL;
+ }
return &p->vfs_inode;
}
-static void init_once(void *foo, kmem_cache_t *cachep, unsigned long flags)
-{
- struct hugetlbfs_inode_info *ei = (struct hugetlbfs_inode_info *)foo;
-
- if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
- SLAB_CTOR_CONSTRUCTOR)
- inode_init_once(&ei->vfs_inode);
-}
-
static void hugetlbfs_destroy_inode(struct inode *inode)
{
+ hugetlbfs_inc_free_inodes(HUGETLBFS_SB(inode->i_sb));
mpol_free_shared_policy(&HUGETLBFS_I(inode)->policy);
kmem_cache_free(hugetlbfs_inode_cachep, HUGETLBFS_I(inode));
}
@@ -565,6 +588,16 @@ static struct address_space_operations hugetlbfs_aops = {
.set_page_dirty = hugetlbfs_set_page_dirty,
};
+
+static void init_once(void *foo, kmem_cache_t *cachep, unsigned long flags)
+{
+ struct hugetlbfs_inode_info *ei = (struct hugetlbfs_inode_info *)foo;
+
+ if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
+ SLAB_CTOR_CONSTRUCTOR)
+ inode_init_once(&ei->vfs_inode);
+}
+
struct file_operations hugetlbfs_file_operations = {
.mmap = hugetlbfs_file_mmap,
.fsync = simple_sync_file,
@@ -592,6 +625,7 @@ static struct super_operations hugetlbfs_ops = {
.alloc_inode = hugetlbfs_alloc_inode,
.destroy_inode = hugetlbfs_destroy_inode,
.statfs = hugetlbfs_statfs,
+ .delete_inode = hugetlbfs_delete_inode,
.drop_inode = hugetlbfs_drop_inode,
.put_super = hugetlbfs_put_super,
};
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index 26091a5f88d4..8a53981f9f27 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -86,7 +86,7 @@ struct meta_anchor {
atomic_t io_count;
struct metapage *mp[MPS_PER_PAGE];
};
-#define mp_anchor(page) ((struct meta_anchor *)page->private)
+#define mp_anchor(page) ((struct meta_anchor *)page_private(page))
static inline struct metapage *page_to_mp(struct page *page, uint offset)
{
@@ -108,7 +108,7 @@ static inline int insert_metapage(struct page *page, struct metapage *mp)
if (!a)
return -ENOMEM;
memset(a, 0, sizeof(struct meta_anchor));
- page->private = (unsigned long)a;
+ set_page_private(page, (unsigned long)a);
SetPagePrivate(page);
kmap(page);
}
@@ -136,7 +136,7 @@ static inline void remove_metapage(struct page *page, struct metapage *mp)
a->mp[index] = NULL;
if (--a->mp_count == 0) {
kfree(a);
- page->private = 0;
+ set_page_private(page, 0);
ClearPagePrivate(page);
kunmap(page);
}
@@ -156,13 +156,13 @@ static inline void dec_io(struct page *page, void (*handler) (struct page *))
#else
static inline struct metapage *page_to_mp(struct page *page, uint offset)
{
- return PagePrivate(page) ? (struct metapage *)page->private : NULL;
+ return PagePrivate(page) ? (struct metapage *)page_private(page) : NULL;
}
static inline int insert_metapage(struct page *page, struct metapage *mp)
{
if (mp) {
- page->private = (unsigned long)mp;
+ set_page_private(page, (unsigned long)mp);
SetPagePrivate(page);
kmap(page);
}
@@ -171,7 +171,7 @@ static inline int insert_metapage(struct page *page, struct metapage *mp)
static inline void remove_metapage(struct page *page, struct metapage *mp)
{
- page->private = 0;
+ set_page_private(page, 0);
ClearPagePrivate(page);
kunmap(page);
}
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index f2781ca42761..fc0f12ba89cc 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1274,14 +1274,12 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
}
if ((fattr->valid & NFS_ATTR_FATTR) == 0) {
- spin_unlock(&inode->i_lock);
return 0;
}
/* Has the inode gone and changed behind our back? */
if (nfsi->fileid != fattr->fileid
|| (inode->i_mode & S_IFMT) != (fattr->mode & S_IFMT)) {
- spin_unlock(&inode->i_lock);
return -EIO;
}
diff --git a/fs/proc/array.c b/fs/proc/array.c
index d84eecacbeaf..3e1239e4b303 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -438,7 +438,7 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole)
jiffies_to_clock_t(it_real_value),
start_time,
vsize,
- mm ? get_mm_counter(mm, rss) : 0, /* you might want to shift this left 3 */
+ mm ? get_mm_rss(mm) : 0,
rsslim,
mm ? mm->start_code : 0,
mm ? mm->end_code : 0,
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index c7ef3e48e35b..d2fa42006d8f 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -14,22 +14,41 @@
char *task_mem(struct mm_struct *mm, char *buffer)
{
unsigned long data, text, lib;
+ unsigned long hiwater_vm, total_vm, hiwater_rss, total_rss;
+
+ /*
+ * Note: to minimize their overhead, mm maintains hiwater_vm and
+ * hiwater_rss only when about to *lower* total_vm or rss. Any
+ * collector of these hiwater stats must therefore get total_vm
+ * and rss too, which will usually be the higher. Barriers? not
+ * worth the effort, such snapshots can always be inconsistent.
+ */
+ hiwater_vm = total_vm = mm->total_vm;
+ if (hiwater_vm < mm->hiwater_vm)
+ hiwater_vm = mm->hiwater_vm;
+ hiwater_rss = total_rss = get_mm_rss(mm);
+ if (hiwater_rss < mm->hiwater_rss)
+ hiwater_rss = mm->hiwater_rss;
data = mm->total_vm - mm->shared_vm - mm->stack_vm;
text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK)) >> 10;
lib = (mm->exec_vm << (PAGE_SHIFT-10)) - text;
buffer += sprintf(buffer,
+ "VmPeak:\t%8lu kB\n"
"VmSize:\t%8lu kB\n"
"VmLck:\t%8lu kB\n"
+ "VmHWM:\t%8lu kB\n"
"VmRSS:\t%8lu kB\n"
"VmData:\t%8lu kB\n"
"VmStk:\t%8lu kB\n"
"VmExe:\t%8lu kB\n"
"VmLib:\t%8lu kB\n"
"VmPTE:\t%8lu kB\n",
- (mm->total_vm - mm->reserved_vm) << (PAGE_SHIFT-10),
+ hiwater_vm << (PAGE_SHIFT-10),
+ (total_vm - mm->reserved_vm) << (PAGE_SHIFT-10),
mm->locked_vm << (PAGE_SHIFT-10),
- get_mm_counter(mm, rss) << (PAGE_SHIFT-10),
+ hiwater_rss << (PAGE_SHIFT-10),
+ total_rss << (PAGE_SHIFT-10),
data << (PAGE_SHIFT-10),
mm->stack_vm << (PAGE_SHIFT-10), text, lib,
(PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10);
@@ -44,13 +63,11 @@ unsigned long task_vsize(struct mm_struct *mm)
int task_statm(struct mm_struct *mm, int *shared, int *text,
int *data, int *resident)
{
- int rss = get_mm_counter(mm, rss);
-
- *shared = rss - get_mm_counter(mm, anon_rss);
+ *shared = get_mm_counter(mm, file_rss);
*text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK))
>> PAGE_SHIFT;
*data = mm->total_vm - mm->shared_vm;
- *resident = rss;
+ *resident = *shared + get_mm_counter(mm, anon_rss);
return mm->total_vm;
}
@@ -186,13 +203,14 @@ static void smaps_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
struct mem_size_stats *mss)
{
pte_t *pte, ptent;
+ spinlock_t *ptl;
unsigned long pfn;
struct page *page;
- pte = pte_offset_map(pmd, addr);
+ pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
do {
ptent = *pte;
- if (pte_none(ptent) || !pte_present(ptent))
+ if (!pte_present(ptent))
continue;
mss->resident += PAGE_SIZE;
@@ -213,8 +231,8 @@ static void smaps_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
mss->private_clean += PAGE_SIZE;
}
} while (pte++, addr += PAGE_SIZE, addr != end);
- pte_unmap(pte - 1);
- cond_resched_lock(&vma->vm_mm->page_table_lock);
+ pte_unmap_unlock(pte - 1, ptl);
+ cond_resched();
}
static inline void smaps_pmd_range(struct vm_area_struct *vma, pud_t *pud,
@@ -268,17 +286,11 @@ static inline void smaps_pgd_range(struct vm_area_struct *vma,
static int show_smap(struct seq_file *m, void *v)
{
struct vm_area_struct *vma = v;
- struct mm_struct *mm = vma->vm_mm;
struct mem_size_stats mss;
memset(&mss, 0, sizeof mss);
-
- if (mm) {
- spin_lock(&mm->page_table_lock);
+ if (vma->vm_mm)
smaps_pgd_range(vma, vma->vm_start, vma->vm_end, &mss);
- spin_unlock(&mm->page_table_lock);
- }
-
return show_map_internal(m, v, &mss);
}
@@ -407,7 +419,6 @@ static struct numa_maps *get_numa_maps(const struct vm_area_struct *vma)
for_each_node(i)
md->node[i] =0;
- spin_lock(&mm->page_table_lock);
for (vaddr = vma->vm_start; vaddr < vma->vm_end; vaddr += PAGE_SIZE) {
page = follow_page(mm, vaddr, 0);
if (page) {
@@ -422,8 +433,8 @@ static struct numa_maps *get_numa_maps(const struct vm_area_struct *vma)
md->anon++;
md->node[page_to_nid(page)]++;
}
+ cond_resched();
}
- spin_unlock(&mm->page_table_lock);
return md;
}
@@ -469,7 +480,7 @@ static int show_numa_map(struct seq_file *m, void *v)
seq_printf(m, " interleave={");
first = 1;
for_each_node(n) {
- if (test_bit(n, pol->v.nodes)) {
+ if (node_isset(n, pol->v.nodes)) {
if (!first)
seq_putc(m,',');
else
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index ba4767c04adf..4cd46abe8434 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -181,8 +181,9 @@ set_page_region(
size_t offset,
size_t length)
{
- page->private |= page_region_mask(offset, length);
- if (page->private == ~0UL)
+ set_page_private(page,
+ page_private(page) | page_region_mask(offset, length));
+ if (page_private(page) == ~0UL)
SetPageUptodate(page);
}
@@ -194,7 +195,7 @@ test_page_region(
{
unsigned long mask = page_region_mask(offset, length);
- return (mask && (page->private & mask) == mask);
+ return (mask && (page_private(page) & mask) == mask);
}
/*
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 01:58:35 +0100