+ fuse-use-release_pages.patch added to -mm tree

[akpm@linux-foundation.org]

The patch titled
     fuse: use release_pages()
has been added to the -mm tree.  Its filename is
     fuse-use-release_pages.patch

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------------------------------------------------------
Subject: fuse: use release_pages()
From: Miklos Szeredi <mszeredi@suse.cz>

Replace iterated page_cache_release() with release_pages(), which is
faster and shorter.

Needs release_pages() to be exported to modules.

Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/fuse/dev.c |    7 +------
 mm/swap.c     |    1 +
 2 files changed, 2 insertions(+), 6 deletions(-)

diff -puN fs/fuse/dev.c~fuse-use-release_pages fs/fuse/dev.c
--- a/fs/fuse/dev.c~fuse-use-release_pages
+++ a/fs/fuse/dev.c
@@ -1334,12 +1334,7 @@ out_finish:
 
 static void fuse_retrieve_end(struct fuse_conn *fc, struct fuse_req *req)
 {
-	int i;
-
-	for (i = 0; i < req->num_pages; i++) {
-		struct page *page = req->pages[i];
-		page_cache_release(page);
-	}
+	release_pages(req->pages, req->num_pages, 0);
 }
 
 static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,
diff -puN mm/swap.c~fuse-use-release_pages mm/swap.c
--- a/mm/swap.c~fuse-use-release_pages
+++ a/mm/swap.c
@@ -378,6 +378,7 @@ void release_pages(struct page **pages, 
 
 	pagevec_free(&pages_to_free);
 }
+EXPORT_SYMBOL(release_pages);
 
 /*
  * The pages which we're about to release may be in the deferred lru-addition
_

Patches currently in -mm which might be from mszeredi@suse.cz are

fuse-use-clear_highpage-and-km_user0-instead-of-km_user1.patch
fuse-use-release_pages.patch