diff options
| author | Hao Ge <gehao@kylinos.cn> | 2024-04-07 08:26:53 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-05-06 02:53:26 +0200 |
| commit | 38bc9c28c3780d8d0ca1ed1a1fbfe8c91e20f5f2 (patch) | |
| tree | af04fbc9bdc5d5972b2bfa16de8c77e12ba9c078 | |
| parent | memory tier: create CPUless memory tiers after obtaining HMAT info (diff) | |
| download | linux-38bc9c28c3780d8d0ca1ed1a1fbfe8c91e20f5f2.tar.xz linux-38bc9c28c3780d8d0ca1ed1a1fbfe8c91e20f5f2.zip | |
mm/mmap: make vma_wants_writenotify return bool
vma_wants_writenotify() should return bool, so change it.
Link: https://lkml.kernel.org/r/20240407062653.803142-1-gehao@kylinos.cn
Signed-off-by: Hao Ge <gehao@kylinos.cn>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/mm.h | 2 | ||||
| -rw-r--r-- | mm/mmap.c | 12 |
2 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index cc9410d772dd..0b933f9f4864 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2575,7 +2575,7 @@ extern unsigned long move_page_tables(struct vm_area_struct *vma, MM_CP_UFFD_WP_RESOLVE) bool vma_needs_dirty_tracking(struct vm_area_struct *vma); -int vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot); +bool vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot); static inline bool vma_wants_manual_pte_write_upgrade(struct vm_area_struct *vma) { /* diff --git a/mm/mmap.c b/mm/mmap.c index d3c2ca8efa53..c9367454e19f 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1514,32 +1514,32 @@ bool vma_needs_dirty_tracking(struct vm_area_struct *vma) * to the private version (using protection_map[] without the * VM_SHARED bit). */ -int vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot) +bool vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot) { /* If it was private or non-writable, the write bit is already clear */ if (!vma_is_shared_writable(vma)) - return 0; + return false; /* The backer wishes to know when pages are first written to? */ if (vm_ops_needs_writenotify(vma->vm_ops)) - return 1; + return true; /* The open routine did something to the protections that pgprot_modify * won't preserve? */ if (pgprot_val(vm_page_prot) != pgprot_val(vm_pgprot_modify(vm_page_prot, vma->vm_flags))) - return 0; + return false; /* * Do we need to track softdirty? hugetlb does not support softdirty * tracking yet. */ if (vma_soft_dirty_enabled(vma) && !is_vm_hugetlb_page(vma)) - return 1; + return true; /* Do we need write faults for uffd-wp tracking? */ if (userfaultfd_wp(vma)) - return 1; + return true; /* Can the mapping track the dirty pages? */ return vma_fs_can_writeback(vma); |