linux-kernel - [PATCH v3 6/7] Good bye remove_from_page

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <a8f11de2e49f4e1b59ef35fcc14c4f157fb467ce.1294723009.git.minchan.kim@gmail.com>
Date:	Tue, 11 Jan 2011 14:22:10 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-mm <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Hugh Dickins <hughd@...gle.com>, Mel Gorman <mel@....ul.ie>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Minchan Kim <minchan.kim@...il.com>,
	Christoph Hellwig <hch@...radead.org>
Subject: [PATCH v3 6/7] Good bye remove_from_page_cache

Now delete_from_page_cache replaces remove_from_page_cache.
So we remove remove_from_page_cache so fs or something out of
mainline will notice it when compile time and can fix it.

Cc: Christoph Hellwig <hch@...radead.org>
Acked-by: Hugh Dickins <hughd@...gle.com>
Acked-by: Mel Gorman <mel@....ul.ie>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Reviewed-by: Johannes Weiner <hannes@...xchg.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Signed-off-by: Minchan Kim <minchan.kim@...il.com>
---
 include/linux/pagemap.h |    1 -
 mm/filemap.c            |   27 +++++++++++----------------
 2 files changed, 11 insertions(+), 17 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 7a1cb49..7bf6587 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -455,7 +455,6 @@ int add_to_page_cache_locked(struct page *page, struct address_space *mapping,
 				pgoff_t index, gfp_t gfp_mask);
 int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
 				pgoff_t index, gfp_t gfp_mask);
-extern void remove_from_page_cache(struct page *page);
 extern void __remove_from_page_cache(struct page *page);
 extern void delete_from_page_cache(struct page *page);
 
diff --git a/mm/filemap.c b/mm/filemap.c
index cf9bbf2..a5542fa 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -148,7 +148,17 @@ void __remove_from_page_cache(struct page *page)
 	}
 }
 
-void remove_from_page_cache(struct page *page)
+/**
+ * delete_from_page_cache - delete page from page cache
+ * @page: the page which the kernel is trying to remove from page cache
+ *
+ * This must be called only on pages that have
+ * been verified to be in the page cache and locked.
+ * It will never put the page into the free list,
+ * the caller has a reference on the page.
+ */
+void delete_from_page_cache(struct page *page)
+
 {
 	struct address_space *mapping = page->mapping;
 	void (*freepage)(struct page *);
@@ -163,21 +173,6 @@ void remove_from_page_cache(struct page *page)
 
 	if (freepage)
 		freepage(page);
-}
-EXPORT_SYMBOL(remove_from_page_cache);
-
-/**
- * delete_from_page_cache - delete page from page cache
- * @page: the page which the kernel is trying to remove from page cache
- *
- * This must be called only on pages that have
- * been verified to be in the page cache and locked.
- * It will never put the page into the free list,
- * the caller has a reference on the page.
- */
-void delete_from_page_cache(struct page *page)
-{
-	remove_from_page_cache(page);
 	page_cache_release(page);
 }
 EXPORT_SYMBOL(delete_from_page_cache);
-- 
1.7.0.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/