diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/hugetlb.h | 19 | ||||
| -rw-r--r-- | include/linux/mm_types.h | 3 |
2 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 5e35379f58a5..685c262e0be8 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -483,6 +483,17 @@ static inline spinlock_t *huge_pte_lockptr(struct hstate *h, #define hugepages_supported() (HPAGE_SHIFT != 0) #endif +void hugetlb_report_usage(struct seq_file *m, struct mm_struct *mm); + +static inline void hugetlb_count_add(long l, struct mm_struct *mm) +{ + atomic_long_add(l, &mm->hugetlb_usage); +} + +static inline void hugetlb_count_sub(long l, struct mm_struct *mm) +{ + atomic_long_sub(l, &mm->hugetlb_usage); +} #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; #define alloc_huge_page(v, a, r) NULL @@ -519,6 +530,14 @@ static inline spinlock_t *huge_pte_lockptr(struct hstate *h, { return &mm->page_table_lock; } + +static inline void hugetlb_report_usage(struct seq_file *f, struct mm_struct *m) +{ +} + +static inline void hugetlb_count_sub(long l, struct mm_struct *mm) +{ +} #endif /* CONFIG_HUGETLB_PAGE */ static inline spinlock_t *huge_pte_lock(struct hstate *h, diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 3d6baa7d4534..0a85da25a822 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -486,6 +486,9 @@ struct mm_struct { /* address of the bounds directory */ void __user *bd_addr; #endif +#ifdef CONFIG_HUGETLB_PAGE + atomic_long_t hugetlb_usage; +#endif }; static inline void mm_init_cpumask(struct mm_struct *mm) |