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>
This commit is contained in:
Steven J. Magnani 2009-12-14 18:00:04 -08:00 committed by Linus Torvalds
parent ea63763959
commit 7e1e0ef22c

View File

@ -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;
}