From mboxrd@z Thu Jan 1 00:00:00 1970 From: liuwenliang@huawei.com (Abbott Liu) Date: Wed, 11 Oct 2017 16:22:25 +0800 Subject: [PATCH 09/11] Don't need to map the shadow of KASan's shadow memory In-Reply-To: <20171011082227.20546-1-liuwenliang@huawei.com> References: <20171011082227.20546-1-liuwenliang@huawei.com> Message-ID: <20171011082227.20546-10-liuwenliang@huawei.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Because the KASan's shadow memory don't need to track,so remove the mapping code in kasan_init. Cc: Andrey Ryabinin --- arch/arm/mm/kasan_init.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c index 2bf0782..7cfdc39 100644 --- a/arch/arm/mm/kasan_init.c +++ b/arch/arm/mm/kasan_init.c @@ -218,10 +218,6 @@ void __init kasan_init(void) clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END); - kasan_populate_zero_shadow( - kasan_mem_to_shadow((void *)KASAN_SHADOW_START), - kasan_mem_to_shadow((void *)KASAN_SHADOW_END)); - kasan_populate_zero_shadow(kasan_mem_to_shadow((void *)VMALLOC_START), kasan_mem_to_shadow((void *)-1UL) + 1); -- 2.9.0