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authorSteven J. Magnani <steve@digidescorp.com>2009-12-14 18:00:04 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 08:53:24 -0800
commit7e1e0ef22c9ba9f797d7c4448feee722584bba5c (patch)
tree892fd5374f4815891065f148617fefc601e19219 /fs
parentea637639591def87a54cea811cbac796980cb30d (diff)
procfs: use proper units for noMMU statm
On no-MMU systems, sizes reported in /proc/n/statm have units of bytes. Per Documentation/filesystems/proc.txt, these values should be in pages. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Cc: Greg Ungerer <gerg@snapgear.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/proc/task_nommu.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 8f5c05d3dbd..5d9fd64ef81 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -110,9 +110,13 @@ int task_statm(struct mm_struct *mm, int *shared, int *text,
}
}
- size += (*text = mm->end_code - mm->start_code);
- size += (*data = mm->start_stack - mm->start_data);
+ *text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK))
+ >> PAGE_SHIFT;
+ *data = (PAGE_ALIGN(mm->start_stack) - (mm->start_data & PAGE_MASK))
+ >> PAGE_SHIFT;
up_read(&mm->mmap_sem);
+ size >>= PAGE_SHIFT;
+ size += *text + *data;
*resident = size;
return size;
}