| commit | 8b5536bbee53620f8d5f367987e5727ba36d886d | |
| author | Eric Dumazet <dada1@cosmosbay.com> | |
| Mon, 30 Jan 2006 05:19:35 +0000 (30 06:19 +0100) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Mon, 20 Mar 2006 21:42:57 +0000 (20 13:42 -0800) | ||
| tree | c4733f4ce2a6d1aab32eda3c096c97f0365a43f8 | treesnapshot (tar.gz zip) |
| parent | 489447380a2921ec0e9154f773c44ab3167ede4b | commitdiff |
[PATCH] kref: avoid an atomic operation in kref_put()
Avoid an atomic operation in kref_put() when the last reference is
dropped. On most platforms, atomic_read() is a plan read of the counter
and involves no atomic at all.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Avoid an atomic operation in kref_put() when the last reference is
dropped. On most platforms, atomic_read() is a plan read of the counter
and involves no atomic at all.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| lib/kref.c | diffblobblamehistory |