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Diffstat (limited to 'arch/x86/mm/kasan_init_64.c')
-rw-r--r--arch/x86/mm/kasan_init_64.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index 12ec90f62457..0df0dd13a71d 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -176,10 +176,10 @@ static void __init clear_pgds(unsigned long start,
* With folded p4d, pgd_clear() is nop, use p4d_clear()
* instead.
*/
- if (CONFIG_PGTABLE_LEVELS < 5)
- p4d_clear(p4d_offset(pgd, start));
- else
+ if (pgtable_l5_enabled)
pgd_clear(pgd);
+ else
+ p4d_clear(p4d_offset(pgd, start));
}
pgd = pgd_offset_k(start);
@@ -191,7 +191,7 @@ static inline p4d_t *early_p4d_offset(pgd_t *pgd, unsigned long addr)
{
unsigned long p4d;
- if (!IS_ENABLED(CONFIG_X86_5LEVEL))
+ if (!pgtable_l5_enabled)
return (p4d_t *)pgd;
p4d = __pa_nodebug(pgd_val(*pgd)) & PTE_PFN_MASK;
@@ -272,7 +272,7 @@ void __init kasan_early_init(void)
for (i = 0; i < PTRS_PER_PUD; i++)
kasan_zero_pud[i] = __pud(pud_val);
- for (i = 0; IS_ENABLED(CONFIG_X86_5LEVEL) && i < PTRS_PER_P4D; i++)
+ for (i = 0; pgtable_l5_enabled && i < PTRS_PER_P4D; i++)
kasan_zero_p4d[i] = __p4d(p4d_val);
kasan_map_early_shadow(early_top_pgt);
@@ -303,7 +303,7 @@ void __init kasan_init(void)
* bunch of things like kernel code, modules, EFI mapping, etc.
* We need to take extra steps to not overwrite them.
*/
- if (IS_ENABLED(CONFIG_X86_5LEVEL)) {
+ if (pgtable_l5_enabled) {
void *ptr;
ptr = (void *)pgd_page_vaddr(*pgd_offset_k(KASAN_SHADOW_END));