diff options
Diffstat (limited to 'arch/arm64/mm/pageattr.c')
| -rw-r--r-- | arch/arm64/mm/pageattr.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c index 79dd201c59d8..8e2017ba5f1b 100644 --- a/arch/arm64/mm/pageattr.c +++ b/arch/arm64/mm/pageattr.c @@ -11,6 +11,7 @@ #include <asm/cacheflush.h> #include <asm/set_memory.h> #include <asm/tlbflush.h> +#include <asm/kfence.h> struct page_change_data { pgprot_t set_mask; @@ -22,12 +23,14 @@ bool rodata_full __ro_after_init = IS_ENABLED(CONFIG_RODATA_FULL_DEFAULT_ENABLED bool can_set_direct_map(void) { /* - * rodata_full, DEBUG_PAGEALLOC and KFENCE require linear map to be + * rodata_full and DEBUG_PAGEALLOC require linear map to be * mapped at page granularity, so that it is possible to * protect/unprotect single pages. + * + * KFENCE pool requires page-granular mapping if initialized late. */ return (rodata_enabled && rodata_full) || debug_pagealloc_enabled() || - IS_ENABLED(CONFIG_KFENCE); + arm64_kfence_can_set_direct_map(); } static int change_page_range(pte_t *ptep, unsigned long addr, void *data) |