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| author | Cong Wang <xiyou.wangcong@gmail.com> | 2012-06-01 01:26:17 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-06-01 02:49:28 +0200 |
| commit | e7dcd9990e42ccfc798d4eb55e2dbf9d7d434c6b (patch) | |
| tree | ab9d03a5caa1e3fa5b65a9614f699a05632d33c6 | |
| parent | proc: clean up /proc/<pid>/environ handling (diff) | |
| download | linux-e7dcd9990e42ccfc798d4eb55e2dbf9d7d434c6b.tar.xz linux-e7dcd9990e42ccfc798d4eb55e2dbf9d7d434c6b.zip | |
proc: remove mm_for_maps()
mm_for_maps() is a simple wrapper for mm_access(), and the name is
misleading, so just remove it and use mm_access() directly.
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/proc/base.c | 7 | ||||
| -rw-r--r-- | fs/proc/internal.h | 2 | ||||
| -rw-r--r-- | fs/proc/task_mmu.c | 4 | ||||
| -rw-r--r-- | fs/proc/task_nommu.c | 2 |
4 files changed, 4 insertions, 11 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index e2d234243269..cca635d252d4 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -199,11 +199,6 @@ static int proc_root_link(struct dentry *dentry, struct path *path) return result; } -struct mm_struct *mm_for_maps(struct task_struct *task) -{ - return mm_access(task, PTRACE_MODE_READ); -} - static int proc_pid_cmdline(struct task_struct *task, char * buffer) { int res = 0; @@ -243,7 +238,7 @@ out: static int proc_pid_auxv(struct task_struct *task, char *buffer) { - struct mm_struct *mm = mm_for_maps(task); + struct mm_struct *mm = mm_access(task, PTRACE_MODE_READ); int res = PTR_ERR(mm); if (mm && !IS_ERR(mm)) { unsigned int nwords = 0; diff --git a/fs/proc/internal.h b/fs/proc/internal.h index 5f79bb8b4c60..a30643784db5 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -31,8 +31,6 @@ struct vmalloc_info { unsigned long largest_chunk; }; -extern struct mm_struct *mm_for_maps(struct task_struct *); - #ifdef CONFIG_MMU #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) extern void get_vmalloc_info(struct vmalloc_info *vmi); diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 7faaf2acc570..83ede6e3b5ec 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -125,7 +125,7 @@ static void *m_start(struct seq_file *m, loff_t *pos) if (!priv->task) return ERR_PTR(-ESRCH); - mm = mm_for_maps(priv->task); + mm = mm_access(priv->task, PTRACE_MODE_READ); if (!mm || IS_ERR(mm)) return mm; down_read(&mm->mmap_sem); @@ -919,7 +919,7 @@ static ssize_t pagemap_read(struct file *file, char __user *buf, if (!pm.buffer) goto out_task; - mm = mm_for_maps(task); + mm = mm_access(task, PTRACE_MODE_READ); ret = PTR_ERR(mm); if (!mm || IS_ERR(mm)) goto out_free; diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c index 74fe164d1b23..1ccfa537f5f5 100644 --- a/fs/proc/task_nommu.c +++ b/fs/proc/task_nommu.c @@ -223,7 +223,7 @@ static void *m_start(struct seq_file *m, loff_t *pos) if (!priv->task) return ERR_PTR(-ESRCH); - mm = mm_for_maps(priv->task); + mm = mm_access(priv->task, PTRACE_MODE_READ); if (!mm || IS_ERR(mm)) { put_task_struct(priv->task); priv->task = NULL; |