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libceph: Remove spurious kunmap() of the zero page
author
Benoît Canet
<benoit.canet@nodalink.com>
Wed, 24 Jun 2015 21:18:39 +0000
(23:18 +0200)
committer
Ilya Dryomov
<idryomov@gmail.com>
Thu, 25 Jun 2015 15:30:56 +0000
(18:30 +0300)
ceph_tcp_sendpage already does the work of mapping/unmapping
the zero page if needed.
Signed-off-by: Benoît Canet <benoit.canet@nodalink.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
net/ceph/messenger.c
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diff --git
a/net/ceph/messenger.c
b/net/ceph/messenger.c
index
967080a
..
38f06a4
100644
(file)
--- a/
net/ceph/messenger.c
+++ b/
net/ceph/messenger.c
@@
-278,7
+278,6
@@
static void _ceph_msgr_exit(void)
ceph_msgr_slab_exit();
BUG_ON(zero_page == NULL);
- kunmap(zero_page);
page_cache_release(zero_page);
zero_page = NULL;
}