diff options
| -rw-r--r-- | arch/arm64/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/hugetlb.h | 4 | ||||
| -rw-r--r-- | arch/s390/Kconfig | 2 | ||||
| -rw-r--r-- | arch/s390/include/asm/hugetlb.h | 3 | ||||
| -rw-r--r-- | arch/x86/Kconfig | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/hugetlb.h | 4 | ||||
| -rw-r--r-- | mm/hugetlb.c | 7 |
7 files changed, 16 insertions, 8 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 9f7a934ff707..ff925ece82d6 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -13,7 +13,7 @@ config ARM64 select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_GCOV_PROFILE_ALL - select ARCH_HAS_GIGANTIC_PAGE + select ARCH_HAS_GIGANTIC_PAGE if (MEMORY_ISOLATION && COMPACTION) || CMA select ARCH_HAS_KCOV select ARCH_HAS_SET_MEMORY select ARCH_HAS_SG_CHAIN diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h index bbc1e35aa601..793bd73b0d07 100644 --- a/arch/arm64/include/asm/hugetlb.h +++ b/arch/arm64/include/asm/hugetlb.h @@ -83,4 +83,8 @@ extern void huge_ptep_set_wrprotect(struct mm_struct *mm, extern void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep); +#ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE +static inline bool gigantic_page_supported(void) { return true; } +#endif + #endif /* __ASM_HUGETLB_H */ diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 37abe86e5bc9..7eeb75d758c1 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -68,7 +68,7 @@ config S390 select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_GCOV_PROFILE_ALL - select ARCH_HAS_GIGANTIC_PAGE + select ARCH_HAS_GIGANTIC_PAGE if (MEMORY_ISOLATION && COMPACTION) || CMA select ARCH_HAS_KCOV select ARCH_HAS_SET_MEMORY select ARCH_HAS_SG_CHAIN diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h index cd546a245c68..89057b2cc8fe 100644 --- a/arch/s390/include/asm/hugetlb.h +++ b/arch/s390/include/asm/hugetlb.h @@ -112,4 +112,7 @@ static inline pte_t huge_pte_modify(pte_t pte, pgprot_t newprot) return pte_modify(pte, newprot); } +#ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE +static inline bool gigantic_page_supported(void) { return true; } +#endif #endif /* _ASM_S390_HUGETLB_H */ diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 1dbbe38f6ec0..fe53a3aa805a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -22,7 +22,7 @@ config X86_64 def_bool y depends on 64BIT # Options that are inherently 64-bit kernel only: - select ARCH_HAS_GIGANTIC_PAGE + select ARCH_HAS_GIGANTIC_PAGE if (MEMORY_ISOLATION && COMPACTION) || CMA select ARCH_SUPPORTS_INT128 select ARCH_USE_CMPXCHG_LOCKREF select HAVE_ARCH_SOFT_DIRTY diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h index 3a106165e03a..535af0f2d8ac 100644 --- a/arch/x86/include/asm/hugetlb.h +++ b/arch/x86/include/asm/hugetlb.h @@ -85,4 +85,8 @@ static inline void arch_clear_hugepage_flags(struct page *page) { } +#ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE +static inline bool gigantic_page_supported(void) { return true; } +#endif + #endif /* _ASM_X86_HUGETLB_H */ diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 332637342555..c73828e43100 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1040,9 +1040,7 @@ static int hstate_next_node_to_free(struct hstate *h, nodemask_t *nodes_allowed) ((node = hstate_next_node_to_free(hs, mask)) || 1); \ nr_nodes--) -#if defined(CONFIG_ARCH_HAS_GIGANTIC_PAGE) && \ - ((defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || \ - defined(CONFIG_CMA)) +#ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE static void destroy_compound_gigantic_page(struct page *page, unsigned int order) { @@ -1174,8 +1172,7 @@ static int alloc_fresh_gigantic_page(struct hstate *h, return 0; } -static inline bool gigantic_page_supported(void) { return true; } -#else +#else /* !CONFIG_ARCH_HAS_GIGANTIC_PAGE */ static inline bool gigantic_page_supported(void) { return false; } static inline void free_gigantic_page(struct page *page, unsigned int order) { } static inline void destroy_compound_gigantic_page(struct page *page, |