From 76d5d4c53e68719c018691b19a961e78524a155c Mon Sep 17 00:00:00 2001 From: Guo Weikang Date: Fri, 27 Dec 2024 17:23:10 +0800 Subject: [PATCH] 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 Acked-by: Uros Bizjak Acked-by: Catalin Marinas Cc: Guo Weikang Cc: Signed-off-by: Andrew Morton --- mm/kmemleak.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 737af23f4f4e1..820ba3b5cbfc8 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); -- 2.39.5