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authorMiklos Szeredi <mszeredi@suse.cz>2010-10-27 15:34:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:03:17 -0700
commit0be8557bcd34887d5a42c01c5659cab5ecf99f13 (patch)
tree80d211221be1583303818cf201d6e40cc0674608
parentd57af9b2142f31a39dcfdeb30776baadfc802827 (diff)
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fuse: use release_pages()
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> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/fuse/dev.c7
-rw-r--r--mm/swap.c1
2 files changed, 2 insertions, 6 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index b98664275f0..6e07696308d 100644
--- a/fs/fuse/dev.c
+++ b/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 --git a/mm/swap.c b/mm/swap.c
index 3ce7bc373a5..3f4854205b1 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -378,6 +378,7 @@ void release_pages(struct page **pages, int nr, int cold)
pagevec_free(&pages_to_free);
}
+EXPORT_SYMBOL(release_pages);
/*
* The pages which we're about to release may be in the deferred lru-addition