summaryrefslogtreecommitdiff
path: root/arch/arm64/mm/mmu.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/mm/mmu.c')
-rw-r--r--arch/arm64/mm/mmu.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 8e4b7eaff8ce..3ed44008230e 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -647,6 +647,8 @@ static void __init map_kernel(pgd_t *pgdp)
set_pgd(pgd_offset_raw(pgdp, FIXADDR_START),
READ_ONCE(*pgd_offset_k(FIXADDR_START)));
} else if (CONFIG_PGTABLE_LEVELS > 3) {
+ pgd_t *bm_pgdp;
+ pud_t *bm_pudp;
/*
* The fixmap shares its top level pgd entry with the kernel
* mapping. This can really only occur when we are running
@@ -654,9 +656,9 @@ static void __init map_kernel(pgd_t *pgdp)
* entry instead.
*/
BUG_ON(!IS_ENABLED(CONFIG_ARM64_16K_PAGES));
- pud_populate(&init_mm,
- pud_set_fixmap_offset(pgdp, FIXADDR_START),
- lm_alias(bm_pmd));
+ bm_pgdp = pgd_offset_raw(pgdp, FIXADDR_START);
+ bm_pudp = pud_set_fixmap_offset(bm_pgdp, FIXADDR_START);
+ pud_populate(&init_mm, bm_pudp, lm_alias(bm_pmd));
pud_clear_fixmap();
} else {
BUG();