The commit is pushed to "branch-rh10-6.12.0-55.52.1.5.x.vz10-ovz" and will
appear at [email protected]:openvz/vzkernel.git
after rh10-6.12.0-55.52.1.5.11.vz10
------>
commit d02cf8909bd5a118e8875d5b34ce54732aa57d39
Author: Kevin Brodsky <[email protected]>
Date: Mon Mar 23 18:07:31 2026 +0100
ms/selftests/mm: fix -Wmaybe-uninitialized warnings
A few -Wmaybe-uninitialized warnings show up when building the mm tests
with -O2. None of them looks worrying; silence them by initialising the
problematic variables.
Link:
https://lkml.kernel.org/r/[email protected]
Signed-off-by: Kevin Brodsky <[email protected]>
Cc: Aruna Ramakrishna <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Joey Gouly <[email protected]>
Cc: Keith Lucas <[email protected]>
Cc: Ryan Roberts <[email protected]>
Cc: Shuah Khan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
(cherry picked from commit 516fb516383ef39d881d116c6447826356883ad0)
Applied cleanly (minor context adjustment in uffd-unit-tests.c).
https://virtuozzo.atlassian.net/browse/VSTOR-127529
Signed-off-by: Konstantin Khorenko <[email protected]>
Reviewed-by: Pavel Tikhomirov <[email protected]>
Reviewed-by: Vasileios Almpanis <[email protected]>
Feature: fix selftests
---
tools/testing/selftests/mm/ksm_tests.c | 2 +-
tools/testing/selftests/mm/mremap_test.c | 2 +-
tools/testing/selftests/mm/soft-dirty.c | 2 +-
tools/testing/selftests/mm/uffd-unit-tests.c | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/tools/testing/selftests/mm/ksm_tests.c
b/tools/testing/selftests/mm/ksm_tests.c
index b748c48908d9d..dcdd5bb20f3d8 100644
--- a/tools/testing/selftests/mm/ksm_tests.c
+++ b/tools/testing/selftests/mm/ksm_tests.c
@@ -776,7 +776,7 @@ static int ksm_cow_time(int merge_type, int mapping, int
prot, int timeout, size
int main(int argc, char *argv[])
{
- int ret, opt;
+ int ret = 0, opt;
int prot = 0;
int ksm_scan_limit_sec = KSM_SCAN_LIMIT_SEC_DEFAULT;
int merge_type = KSM_MERGE_TYPE_DEFAULT;
diff --git a/tools/testing/selftests/mm/mremap_test.c
b/tools/testing/selftests/mm/mremap_test.c
index d207a52f2b5be..bb84476a177f1 100644
--- a/tools/testing/selftests/mm/mremap_test.c
+++ b/tools/testing/selftests/mm/mremap_test.c
@@ -384,7 +384,7 @@ static void mremap_move_within_range(unsigned int
pattern_seed, char *rand_addr)
static long long remap_region(struct config c, unsigned int threshold_mb,
char *rand_addr)
{
- void *addr, *src_addr, *dest_addr, *dest_preamble_addr;
+ void *addr, *src_addr, *dest_addr, *dest_preamble_addr = NULL;
unsigned long long t, d;
struct timespec t_start = {0, 0}, t_end = {0, 0};
long long start_ns, end_ns, align_mask, ret, offset;
diff --git a/tools/testing/selftests/mm/soft-dirty.c
b/tools/testing/selftests/mm/soft-dirty.c
index bdfa5d085f009..8e1462ce05326 100644
--- a/tools/testing/selftests/mm/soft-dirty.c
+++ b/tools/testing/selftests/mm/soft-dirty.c
@@ -128,7 +128,7 @@ static void test_mprotect(int pagemap_fd, int pagesize,
bool anon)
{
const char *type[] = {"file", "anon"};
const char *fname = "./soft-dirty-test-file";
- int test_fd;
+ int test_fd = 0;
char *map;
if (anon) {
diff --git a/tools/testing/selftests/mm/uffd-unit-tests.c
b/tools/testing/selftests/mm/uffd-unit-tests.c
index a2e71b1636e7c..795bba310151e 100644
--- a/tools/testing/selftests/mm/uffd-unit-tests.c
+++ b/tools/testing/selftests/mm/uffd-unit-tests.c
@@ -1122,7 +1122,7 @@ uffd_move_test_common(uffd_test_args_t *targs, unsigned
long chunk_size,
char c;
unsigned long long count;
struct uffd_args args = { 0 };
- char *orig_area_src, *orig_area_dst;
+ char *orig_area_src = NULL, *orig_area_dst = NULL;
unsigned long step_size, step_count;
unsigned long src_offs = 0;
unsigned long dst_offs = 0;
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