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Commit c851c867 authored by Miao Xie's avatar Miao Xie Committed by Ingo Molnar
Browse files

sched: fix the wrong mask_len 



If NR_CPUS isn't a multiple of 32, we get a truncated string of sched
domains by catting /proc/schedstat. This is caused by the wrong mask_len.

This patch fixes it.

Signed-off-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Cc: <stable@kernel.org>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 0f1f6dec

kernel/sched_stats.h

+1 −1
Original line number Diff line number Diff line
@@ -9,7 +9,7 @@ 
static int show_schedstat(struct seq_file *seq, void *v)

{

	int cpu;

	int mask_len = NR_CPUS/32 * 9;

	int mask_len = (NR_CPUS/32 + 1) * 9;

	char *mask_str = kmalloc(mask_len, GFP_KERNEL);



	if (mask_str == NULL)