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Diffstat (limited to 'include/linux/hugetlb.h')
-rw-r--r--include/linux/hugetlb.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 7adc4923e7ac..cf0181738c9e 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -14,6 +14,15 @@ struct user_struct;
#include <linux/shm.h>
#include <asm/tlbflush.h>
+struct hugepage_subpool {
+ spinlock_t lock;
+ long count;
+ long max_hpages, used_hpages;
+};
+
+struct hugepage_subpool *hugepage_new_subpool(long nr_blocks);
+void hugepage_put_subpool(struct hugepage_subpool *spool);
+
int PageHuge(struct page *page);
void reset_vma_resv_huge_pages(struct vm_area_struct *vma);
@@ -129,12 +138,11 @@ enum {
#ifdef CONFIG_HUGETLBFS
struct hugetlbfs_sb_info {
- long max_blocks; /* blocks allowed */
- long free_blocks; /* blocks free */
long max_inodes; /* inodes allowed */
long free_inodes; /* inodes free */
spinlock_t stat_lock;
struct hstate *hstate;
+ struct hugepage_subpool *spool;
};
static inline struct hugetlbfs_sb_info *HUGETLBFS_SB(struct super_block *sb)
@@ -146,8 +154,6 @@ extern const struct file_operations hugetlbfs_file_operations;
extern const struct vm_operations_struct hugetlb_vm_ops;
struct file *hugetlb_file_setup(const char *name, size_t size, vm_flags_t acct,
struct user_struct **user, int creat_flags);
-int hugetlb_get_quota(struct address_space *mapping, long delta);
-void hugetlb_put_quota(struct address_space *mapping, long delta);
static inline int is_file_hugepages(struct file *file)
{