diff options
Diffstat (limited to 'arch/arm64/mm/hugetlbpage.c')
| -rw-r--r-- | arch/arm64/mm/hugetlbpage.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index a8158c948966..ffb9c229610a 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -40,11 +40,11 @@ void __init arm64_hugetlb_cma_reserve(void) { int order; -#ifdef CONFIG_ARM64_4K_PAGES - order = PUD_SHIFT - PAGE_SHIFT; -#else - order = CONT_PMD_SHIFT - PAGE_SHIFT; -#endif + if (pud_sect_supported()) + order = PUD_SHIFT - PAGE_SHIFT; + else + order = CONT_PMD_SHIFT - PAGE_SHIFT; + /* * HugeTLB CMA reservation is required for gigantic * huge pages which could not be allocated via the @@ -62,8 +62,9 @@ bool arch_hugetlb_migration_supported(struct hstate *h) size_t pagesize = huge_page_size(h); switch (pagesize) { -#ifdef CONFIG_ARM64_4K_PAGES +#ifndef __PAGETABLE_PMD_FOLDED case PUD_SIZE: + return pud_sect_supported(); #endif case PMD_SIZE: case CONT_PMD_SIZE: @@ -126,8 +127,11 @@ static inline int num_contig_ptes(unsigned long size, size_t *pgsize) *pgsize = size; switch (size) { -#ifdef CONFIG_ARM64_4K_PAGES +#ifndef __PAGETABLE_PMD_FOLDED case PUD_SIZE: + if (pud_sect_supported()) + contig_ptes = 1; + break; #endif case PMD_SIZE: contig_ptes = 1; @@ -489,9 +493,9 @@ void huge_ptep_clear_flush(struct vm_area_struct *vma, static int __init hugetlbpage_init(void) { -#ifdef CONFIG_ARM64_4K_PAGES - hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT); -#endif + if (pud_sect_supported()) + hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT); + hugetlb_add_hstate(CONT_PMD_SHIFT - PAGE_SHIFT); hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT); hugetlb_add_hstate(CONT_PTE_SHIFT - PAGE_SHIFT); @@ -503,8 +507,9 @@ arch_initcall(hugetlbpage_init); bool __init arch_hugetlb_valid_size(unsigned long size) { switch (size) { -#ifdef CONFIG_ARM64_4K_PAGES +#ifndef __PAGETABLE_PMD_FOLDED case PUD_SIZE: + return pud_sect_supported(); #endif case CONT_PMD_SIZE: case PMD_SIZE: |