The patch titled
Subject: mm/cma.c: change pr_info to pr_err for cma_alloc fail log
has been added to the -mm tree. Its filename is
cma-change-pr_info-to-pr_err-for-cma_alloc-fail-log.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/cma-change-pr_info-to-pr_err-for-cma_alloc-fail-log.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/cma-change-pr_info-to-pr_err-for-cma_alloc-fail-log.patch
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------------------------------------------------------
From: Pintu Agarwal <pintu.ping@xxxxxxxxx>
Subject: mm/cma.c: change pr_info to pr_err for cma_alloc fail log
It was observed that under cma_alloc fail log, pr_info was used instead of
pr_err. This will lead to problems if printk debug level is set to below
7. In this case the cma_alloc failure log will not be captured in the log
and it will be difficult to debug.
Simply replace the pr_info with pr_err to capture failure log.
Link: http://lkml.kernel.org/r/1507650633-4430-1-git-send-email-pintu.ping@xxxxxxxxx
Signed-off-by: Pintu Agarwal <pintu.ping@xxxxxxxxx>
Cc: Laura Abbott <labbott@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Jaewon Kim <jaewon31.kim@xxxxxxxxxxx>
Cc: Doug Berger <opendmb@xxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/cma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/cma.c~cma-change-pr_info-to-pr_err-for-cma_alloc-fail-log mm/cma.c
--- a/mm/cma.c~cma-change-pr_info-to-pr_err-for-cma_alloc-fail-log
+++ a/mm/cma.c
@@ -461,7 +461,7 @@ struct page *cma_alloc(struct cma *cma,
trace_cma_alloc(pfn, page, count, align);
if (ret && !(gfp_mask & __GFP_NOWARN)) {
- pr_info("%s: alloc failed, req-size: %zu pages, ret: %d\n",
+ pr_err("%s: alloc failed, req-size: %zu pages, ret: %d\n",
__func__, count, ret);
cma_debug_show_areas(cma);
}
_
Patches currently in -mm which might be from pintu.ping@xxxxxxxxx are
cma-change-pr_info-to-pr_err-for-cma_alloc-fail-log.patch
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