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proc: use unsigned long inside /proc/*/statm

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/proc/*/statm code needlessly truncates data from unsigned long to int.
One needs only 8+ TB of RAM to make truncation visible.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan
2011-01-12 17:00:32 -08:00
committed by Linus Torvalds
parent 34e49d4f63
commit a2ade7b6ca
4 changed files with 12 additions and 9 deletions
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7
fs/proc/task_nommu.c
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@@ -92,13 +92,14 @@ unsigned long task_vsize(struct mm_struct *mm)
return vsize;
}
int task_statm(struct mm_struct *mm, int *shared, int *text,
int *data, int *resident)
unsigned long task_statm(struct mm_struct *mm,
unsigned long *shared, unsigned long *text,
unsigned long *data, unsigned long *resident)
{
struct vm_area_struct *vma;
struct vm_region *region;
struct rb_node *p;
int size = kobjsize(mm);
unsigned long size = kobjsize(mm);
down_read(&mm->mmap_sem);
for (p = rb_first(&mm->mm_rb); p; p = rb_next(p)) {