diff options
| -rw-r--r-- | include/linux/swapops.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/include/linux/swapops.h b/include/linux/swapops.h index 88825d1785d2..7d1b74046520 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -247,8 +247,8 @@ extern void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd, #ifdef CONFIG_HUGETLB_PAGE extern void __migration_entry_wait_huge(pte_t *ptep, spinlock_t *ptl); extern void migration_entry_wait_huge(struct vm_area_struct *vma, pte_t *pte); -#endif -#else +#endif /* CONFIG_HUGETLB_PAGE */ +#else /* CONFIG_MIGRATION */ static inline swp_entry_t make_readable_migration_entry(pgoff_t offset) { return swp_entry(0, 0); @@ -276,7 +276,7 @@ static inline void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd, #ifdef CONFIG_HUGETLB_PAGE static inline void __migration_entry_wait_huge(pte_t *ptep, spinlock_t *ptl) { } static inline void migration_entry_wait_huge(struct vm_area_struct *vma, pte_t *pte) { } -#endif +#endif /* CONFIG_HUGETLB_PAGE */ static inline int is_writable_migration_entry(swp_entry_t entry) { return 0; @@ -286,7 +286,7 @@ static inline int is_readable_migration_entry(swp_entry_t entry) return 0; } -#endif +#endif /* CONFIG_MIGRATION */ typedef unsigned long pte_marker; @@ -426,7 +426,7 @@ static inline int is_pmd_migration_entry(pmd_t pmd) { return is_swap_pmd(pmd) && is_migration_entry(pmd_to_swp_entry(pmd)); } -#else +#else /* CONFIG_ARCH_ENABLE_THP_MIGRATION */ static inline int set_pmd_migration_entry(struct page_vma_mapped_walk *pvmw, struct page *page) { @@ -455,7 +455,7 @@ static inline int is_pmd_migration_entry(pmd_t pmd) { return 0; } -#endif +#endif /* CONFIG_ARCH_ENABLE_THP_MIGRATION */ #ifdef CONFIG_MEMORY_FAILURE @@ -490,7 +490,7 @@ static inline void num_poisoned_pages_sub(long i) atomic_long_sub(i, &num_poisoned_pages); } -#else +#else /* CONFIG_MEMORY_FAILURE */ static inline swp_entry_t make_hwpoison_entry(struct page *page) { @@ -509,7 +509,7 @@ static inline void num_poisoned_pages_inc(void) static inline void num_poisoned_pages_sub(long i) { } -#endif +#endif /* CONFIG_MEMORY_FAILURE */ static inline int non_swap_entry(swp_entry_t entry) { |