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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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6
fs/proc/array.c
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@ -535,15 +535,15 @@ int proc_tgid_stat(struct seq_file *m, struct pid_namespace *ns,
int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
struct pid *pid, struct task_struct *task)
{
int size = 0, resident = 0, shared = 0, text = 0, lib = 0, data = 0;
unsigned long size = 0, resident = 0, shared = 0, text = 0, data = 0;
struct mm_struct *mm = get_task_mm(task);
if (mm) {
size = task_statm(mm, &shared, &text, &data, &resident);
mmput(mm);
}
seq_printf(m, "%d %d %d %d %d %d %d\n",
size, resident, shared, text, lib, data, 0);
seq_printf(m, "%lu %lu %lu %lu 0 %lu 0\n",
size, resident, shared, text, data);
return 0;
}