[PATCH 3/4] libceph: use kvmalloc to allocate page vector

["Yan, Zheng" <zyan@xxxxxxxxxx>]

large read may require allocating large page vector

Signed-off-by: "Yan, Zheng" <zyan@xxxxxxxxxx>
---
 net/ceph/pagevec.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c
index d3736f5bffec..b1c47ba0c38a 100644
--- a/net/ceph/pagevec.c
+++ b/net/ceph/pagevec.c
@@ -62,7 +62,7 @@ void ceph_release_page_vector(struct page **pages, int num_pages)
 
 	for (i = 0; i < num_pages; i++)
 		__free_pages(pages[i], 0);
-	kfree(pages);
+	kvfree(pages);
 }
 EXPORT_SYMBOL(ceph_release_page_vector);
 
@@ -74,7 +74,7 @@ struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags)
 	struct page **pages;
 	int i;
 
-	pages = kmalloc_array(num_pages, sizeof(*pages), flags);
+	pages = kvmalloc_array(num_pages, sizeof(*pages), flags);
 	if (!pages)
 		return ERR_PTR(-ENOMEM);
 	for (i = 0; i < num_pages; i++) {
-- 
2.17.1