diff options
| author | Guo Weikang <guoweikang.kernel@gmail.com> | 2024-12-27 10:23:10 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-01-13 04:03:34 +0100 |
| commit | 76d5d4c53e68719c018691b19a961e78524a155c (patch) | |
| tree | 2570532e15005cb1eae4718aeac221a30cfd7147 /mm | |
| parent | Revert "vmstat: disable vmstat_work on vmstat_cpu_down_prep()" (diff) | |
| download | linux-76d5d4c53e68719c018691b19a961e78524a155c.tar.xz linux-76d5d4c53e68719c018691b19a961e78524a155c.zip | |
mm/kmemleak: fix percpu memory leak detection failure
kmemleak_alloc_percpu gives an incorrect min_count parameter, causing
percpu memory to be considered a gray object.
Link: https://lkml.kernel.org/r/20241227092311.3572500-1-guoweikang.kernel@gmail.com
Fixes: 8c8685928910 ("mm/kmemleak: use IS_ERR_PCPU() for pointer in the percpu address space")
Signed-off-by: Guo Weikang <guoweikang.kernel@gmail.com>
Acked-by: Uros Bizjak <ubizjak@gmail.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Guo Weikang <guoweikang.kernel@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/kmemleak.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 737af23f4f4e..820ba3b5cbfc 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -1093,7 +1093,7 @@ void __ref kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, pr_debug("%s(0x%px, %zu)\n", __func__, ptr, size); if (kmemleak_enabled && ptr && !IS_ERR_PCPU(ptr)) - create_object_percpu((__force unsigned long)ptr, size, 0, gfp); + create_object_percpu((__force unsigned long)ptr, size, 1, gfp); } EXPORT_SYMBOL_GPL(kmemleak_alloc_percpu); |