Expose get_hstate_idx() so it can be used from KVM's guest_mem code
Signed-off-by: Ackerley Tng ackerleytng@google.com --- fs/hugetlbfs/inode.c | 9 --------- include/linux/hugetlb.h | 14 ++++++++++++++ 2 files changed, 14 insertions(+), 9 deletions(-)
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 9062da6da567..406d7366cf3e 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -1560,15 +1560,6 @@ static int can_do_hugetlb_shm(void) return capable(CAP_IPC_LOCK) || in_group_p(shm_group); }
-static int get_hstate_idx(int page_size_log) -{ - struct hstate *h = hstate_sizelog(page_size_log); - - if (!h) - return -1; - return hstate_index(h); -} - /* * Note that size should be aligned to proper hugepage size in caller side, * otherwise hugetlb_reserve_pages reserves one less hugepages than intended. diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 7c977d234aba..37c2edf7beea 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -876,6 +876,15 @@ static inline int hstate_index(struct hstate *h) return h - hstates; }
+static inline int get_hstate_idx(int page_size_log) +{ + struct hstate *h = hstate_sizelog(page_size_log); + + if (!h) + return -1; + return hstate_index(h); +} + extern int dissolve_free_huge_page(struct page *page); extern int dissolve_free_huge_pages(unsigned long start_pfn, unsigned long end_pfn); @@ -1142,6 +1151,11 @@ static inline int hstate_index(struct hstate *h) return 0; }
+static inline int get_hstate_idx(int page_size_log) +{ + return 0; +} + static inline int dissolve_free_huge_page(struct page *page) { return 0;