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authorEric Dumazet <dada1@cosmosbay.com>2006-01-30 06:19:35 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-20 13:42:57 -0800
commit8b5536bbee53620f8d5f367987e5727ba36d886d (patch)
treec4733f4ce2a6d1aab32eda3c096c97f0365a43f8 /block
parent489447380a2921ec0e9154f773c44ab3167ede4b (diff)
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[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>
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