The patch titled
Subject: selftests/mm/cow: fix the incorrect error handling
has been added to the -mm mm-unstable branch. Its filename is
selftests-mm-cow-fix-the-incorrect-error-handling.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-cow-fix-the-incorrect-error-handling.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Cyan Yang <cyan.yang@xxxxxxxxxx>
Subject: selftests/mm/cow: fix the incorrect error handling
Date: Wed, 12 Mar 2025 12:38:40 +0800
Error handling doesn't check the correct return value. This patch will
fix it.
Link: https://lkml.kernel.org/r/20250312043840.71799-1-cyan.yang@xxxxxxxxxx
Fixes: f4b5fd6946e244cdedc3bbb9a1f24c8133b2077a ("selftests/vm: anon_cow: THP tests")
Signed-off-by: Cyan Yang <cyan.yang@xxxxxxxxxx>
Reviewed-by: Dev Jain <dev.jain@xxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/mm/cow.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/tools/testing/selftests/mm/cow.c~selftests-mm-cow-fix-the-incorrect-error-handling
+++ a/tools/testing/selftests/mm/cow.c
@@ -876,7 +876,7 @@ static void do_run_with_thp(test_fn fn,
mremap_size = thpsize / 2;
mremap_mem = mmap(NULL, mremap_size, PROT_NONE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
- if (mem == MAP_FAILED) {
+ if (mremap_mem == MAP_FAILED) {
ksft_test_result_fail("mmap() failed\n");
goto munmap;
}
_
Patches currently in -mm which might be from cyan.yang@xxxxxxxxxx are
selftests-mm-cow-fix-the-incorrect-error-handling.patch
