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mm/cma: pair the trace_cma_alloc_start/finish

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In the bad input validation cases, there is no trace_cma_alloc_finish to
match the trace_cma_alloc_start.  Move the trace_cma_alloc_start event
after the validations.

Link: https://lkml.kernel.org/r/20250605072532.972081-1-richardycc@google.com
Signed-off-by: Richard Chang <richardycc@google.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Martin Liu <liumartin@google.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Richard Chang 2025-06-05 07:25:32 +00:00 • committed by Andrew Morton
parent 99edea3005
commit 08e21e2412
1 changed files with 2 additions and 2 deletions
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4
mm/cma.c
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@ -854,8 +854,6 @@ static struct page *__cma_alloc(struct cma *cma, unsigned long count,
unsigned long i;
const char *name = cma ? cma->name : NULL;
trace_cma_alloc_start(name, count, align);
if (!cma || !cma->count)
return page;
@ -865,6 +863,8 @@ static struct page *__cma_alloc(struct cma *cma, unsigned long count,
if (!count)
return page;
trace_cma_alloc_start(name, count, align);
for (r = 0; r < cma->nranges; r++) {
page = NULL;