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procfs: use proper units for noMMU statm

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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>
This commit is contained in:
Steven J. Magnani 2009-12-14 18:00:04 -08:00 committed by Linus Torvalds
parent ea63763959
commit 7e1e0ef22c
1 changed files with 6 additions and 2 deletions
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8
fs/proc/task_nommu.c
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@ -110,9 +110,13 @@ int task_statm(struct mm_struct *mm, int *shared, int *text,
} }
} }
size += (*text = mm->end_code - mm->start_code); *text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK))
size += (*data = mm->start_stack - mm->start_data); >> PAGE_SHIFT;
*data = (PAGE_ALIGN(mm->start_stack) - (mm->start_data & PAGE_MASK))
>> PAGE_SHIFT;
up_read(&mm->mmap_sem); up_read(&mm->mmap_sem);
size >>= PAGE_SHIFT;
size += *text + *data;
*resident = size; *resident = size;
return size; return size;
} }