From: Michael Halcrow <mhalcrow@us.ibm.com>
Date: Thu, 1 Mar 2007 04:12:52 +0000 (-0800)
Subject: [PATCH] eCryptfs: remove unnecessary flush_dcache_page()
X-Git-Tag: firefly_0821_release~30923
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1ed6d896de3a57bdfb38cffaa748612f112c2a75;p=firefly-linux-kernel-4.4.55.git

[PATCH] eCryptfs: remove unnecessary flush_dcache_page()

Remove unnecessary flush_dcache_page() call. Thanks to Dmitriy
Monakhov for pointing this out.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: Dmitriy Monakhov <dmonakhov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 82bdbed658d7..7be8e91b5ba0 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -238,7 +238,6 @@ int ecryptfs_do_readpage(struct file *file, struct page *page,
 	lower_page_data = kmap_atomic(lower_page, KM_USER1);
 	memcpy(page_data, lower_page_data, PAGE_CACHE_SIZE);
 	kunmap_atomic(lower_page_data, KM_USER1);
-	flush_dcache_page(lower_page);
 	kunmap_atomic(page_data, KM_USER0);
 	flush_dcache_page(page);
 	rc = 0;