summaryrefslogtreecommitdiff
path: root/include/linux/hugetlb.h
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2015-04-20 04:32:26 +0300
committerDave Airlie <airlied@redhat.com>2015-04-20 06:05:20 +0300
commit2c33ce009ca2389dbf0535d0672214d09738e35e (patch)
tree6186a6458c3c160385d794a23eaf07c786a9e61b /include/linux/hugetlb.h
parentcec32a47010647e8b0603726ebb75b990a4057a4 (diff)
parent09d51602cf84a1264946711dd4ea0dddbac599a1 (diff)
downloadlinux-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.xz
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards, due to API changes in the regulator tree. I've included the patch into the merge to fix the build. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/linux/hugetlb.h')
-rw-r--r--include/linux/hugetlb.h20
1 files changed, 9 insertions, 11 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 7b5785032049..205026175c42 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -22,7 +22,13 @@ struct mmu_gather;
struct hugepage_subpool {
spinlock_t lock;
long count;
- long max_hpages, used_hpages;
+ long max_hpages; /* Maximum huge pages or -1 if no maximum. */
+ long used_hpages; /* Used count against maximum, includes */
+ /* both alloced and reserved pages. */
+ struct hstate *hstate;
+ long min_hpages; /* Minimum huge pages or -1 if no minimum. */
+ long rsv_hpages; /* Pages reserved against global pool to */
+ /* sasitfy minimum size. */
};
struct resv_map {
@@ -38,11 +44,10 @@ extern int hugetlb_max_hstate __read_mostly;
#define for_each_hstate(h) \
for ((h) = hstates; (h) < &hstates[hugetlb_max_hstate]; (h)++)
-struct hugepage_subpool *hugepage_new_subpool(long nr_blocks);
+struct hugepage_subpool *hugepage_new_subpool(struct hstate *h, long max_hpages,
+ long min_hpages);
void hugepage_put_subpool(struct hugepage_subpool *spool);
-int PageHuge(struct page *page);
-
void reset_vma_resv_huge_pages(struct vm_area_struct *vma);
int hugetlb_sysctl_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *);
int hugetlb_overcommit_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *);
@@ -79,7 +84,6 @@ void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed);
int dequeue_hwpoisoned_huge_page(struct page *page);
bool isolate_huge_page(struct page *page, struct list_head *list);
void putback_active_hugepage(struct page *page);
-bool is_hugepage_active(struct page *page);
void free_huge_page(struct page *page);
#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE
@@ -109,11 +113,6 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
#else /* !CONFIG_HUGETLB_PAGE */
-static inline int PageHuge(struct page *page)
-{
- return 0;
-}
-
static inline void reset_vma_resv_huge_pages(struct vm_area_struct *vma)
{
}
@@ -152,7 +151,6 @@ static inline bool isolate_huge_page(struct page *page, struct list_head *list)
return false;
}
#define putback_active_hugepage(p) do {} while (0)
-#define is_hugepage_active(x) false
static inline unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
unsigned long address, unsigned long end, pgprot_t newprot)