3.16-stable review patch. If anyone has any objections, please let me know.
------------------
From: Sasha Levin <sasha.le...@oracle.com>
commit 618fde872163e782183ce574c77f1123e2be8887 upstream.
The rarely-executed memry-allocation-failed callback path generates a
WARN_ON_ONCE() when smp_call_function_single() succeeds. Presumably
it's supposed to warn on failures.
Signed-off-by: Sasha Levin <sasha.le...@oracle.com>
Cc: Christoph Lameter <c...@gentwo.org>
Cc: Gilad Ben-Yossef <gi...@benyossef.com>
Cc: David Rientjes <rient...@google.com>
Cc: Joonsoo Kim <iamjoonsoo....@lge.com>
Cc: Tejun Heo <hte...@gmail.com>
Signed-off-by: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Linus Torvalds <torva...@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
kernel/smp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -661,7 +661,7 @@ void on_each_cpu_cond(bool (*cond_func)(
if (cond_func(cpu, info)) {
ret = smp_call_function_single(cpu, func,
info, wait);
- WARN_ON_ONCE(!ret);
+ WARN_ON_ONCE(ret);
}
preempt_enable();
}
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