diff options
| -rw-r--r-- | arch/arm64/mm/kasan_init.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c index a164183f3481..757009daa9ed 100644 --- a/arch/arm64/mm/kasan_init.c +++ b/arch/arm64/mm/kasan_init.c @@ -159,15 +159,12 @@ void __init kasan_init(void) * vmemmap_populate() has populated the shadow region that covers the * kernel image with SWAPPER_BLOCK_SIZE mappings, so we have to round * the start and end addresses to SWAPPER_BLOCK_SIZE as well, to prevent - * kasan_populate_zero_shadow() from replacing the PMD block mappings - * with PMD table mappings at the edges of the shadow region for the - * kernel image. + * kasan_populate_zero_shadow() from replacing the page table entries + * (PMD or PTE) at the edges of the shadow region for the kernel + * image. */ - if (ARM64_SWAPPER_USES_SECTION_MAPS) { - kimg_shadow_start = round_down(kimg_shadow_start, - SWAPPER_BLOCK_SIZE); - kimg_shadow_end = round_up(kimg_shadow_end, SWAPPER_BLOCK_SIZE); - } + kimg_shadow_start = round_down(kimg_shadow_start, SWAPPER_BLOCK_SIZE); + kimg_shadow_end = round_up(kimg_shadow_end, SWAPPER_BLOCK_SIZE); kasan_populate_zero_shadow((void *)KASAN_SHADOW_START, (void *)mod_shadow_start); |