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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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: fuse: use release_pages()
From: Miklos Szeredi <mszeredi@xxxxxxx>
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@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxx are
fuse-use-clear_highpage-and-km_user0-instead-of-km_user1.patch
fuse-use-release_pages.patch
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