[PATCH] arm/kasan: kasan_alloc a more precise size for pte
From: Hailong Liu <hidden>
Date: 2021-01-10 17:20:24
Also in:
lkml
Subsystem:
arm port, kasan, the rest · Maintainers:
Russell King, Andrey Ryabinin, Linus Torvalds
From: Hailong Liu <redacted> The *PTE_HWTABLE_OFF + PTE_HWTABLE_SIZE* may be a more accurate and meaningful size for PTE tables than *PAGE_SIZE* when populating the PMD entries for arm. Signed-off-by: Hailong Liu <redacted> --- arch/arm/mm/kasan_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c
index 9c348042a724..c2a697704d6c 100644
--- a/arch/arm/mm/kasan_init.c
+++ b/arch/arm/mm/kasan_init.c@@ -99,7 +99,7 @@ static void __init kasan_pmd_populate(pud_t *pudp, unsigned long addr, * allocated. */ void *p = early ? kasan_early_shadow_pte : - kasan_alloc_block(PAGE_SIZE); + kasan_alloc_block(PTE_HWTABLE_OFF + PTE_HWTABLE_SIZE); if (!p) { panic("%s failed to allocate shadow block for address 0x%lx\n",
--
2.17.1
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