diff options
Diffstat (limited to 'arch/arm64/mm/ioremap.c')
| -rw-r--r-- | arch/arm64/mm/ioremap.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c index 69000efa015e..d5e969e7b576 100644 --- a/arch/arm64/mm/ioremap.c +++ b/arch/arm64/mm/ioremap.c @@ -104,9 +104,12 @@ void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size) EXPORT_SYMBOL(ioremap_cache); static pte_t bm_pte[PTRS_PER_PTE] __page_aligned_bss; -#ifndef CONFIG_ARM64_64K_PAGES +#ifndef CONFIG_ARM64_2_LEVELS static pte_t bm_pmd[PTRS_PER_PMD] __page_aligned_bss; #endif +#ifdef CONFIG_ARM64_4_LEVELS +static pte_t bm_pud[PTRS_PER_PUD] __page_aligned_bss; +#endif static inline pud_t * __init early_ioremap_pud(unsigned long addr) { @@ -144,6 +147,7 @@ void __init early_ioremap_init(void) unsigned long addr = fix_to_virt(FIX_BTMAP_BEGIN); pgd = pgd_offset_k(addr); + pgd_populate(&init_mm, pgd, bm_pud); pud = pud_offset(pgd, addr); pud_populate(&init_mm, pud, bm_pmd); pmd = pmd_offset(pud, addr); |