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authorMike Kravetz <[email protected]>2015-09-08 15:01:50 -0700
committerLinus Torvalds <[email protected]>2015-09-08 15:35:28 -0700
commitab76ad540a50191308e5bb6b5e2d9e26c78616d3 (patch)
tree2d3f6ffea05caf95cf96807b382ee9323a2b1435 /include/linux
parentd85f69b0b533ec6d7ac8c21db958c44c6d957c90 (diff)
hugetlbfs: New huge_add_to_page_cache helper routine
Currently, there is only a single place where hugetlbfs pages are added to the page cache. The new fallocate code be adding a second one, so break the functionality out into its own helper. Signed-off-by: Dave Hansen <[email protected]> Signed-off-by: Mike Kravetz <[email protected]> Reviewed-by: Naoya Horiguchi <[email protected]> Acked-by: Hillf Danton <[email protected]> Cc: David Rientjes <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: Davidlohr Bueso <[email protected]> Cc: Aneesh Kumar <[email protected]> Cc: Christoph Hellwig <[email protected]> Cc: Michal Hocko <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/hugetlb.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 35afca1692fb..1222fb07a746 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -333,6 +333,8 @@ struct huge_bootmem_page {
struct page *alloc_huge_page_node(struct hstate *h, int nid);
struct page *alloc_huge_page_noerr(struct vm_area_struct *vma,
unsigned long addr, int avoid_reserve);
+int huge_add_to_page_cache(struct page *page, struct address_space *mapping,
+ pgoff_t idx);
/* arch callback */
int __init alloc_bootmem_huge_page(struct hstate *h);