| commit | 989f89c57e6361e7d16fbd9572b5da7d313b073d | [log] [tgz] |
|---|---|---|
| author | KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> | Thu Aug 30 23:56:21 2007 -0700 |
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | Fri Aug 31 01:42:22 2007 -0700 |
| tree | cd5f655709e1515568c1e1f309f169723ce3b084 | |
| parent | d1254b12c93e1e586137a2ffef71fd33cf273f35 [diff] |
fix rcu_read_lock() in page migraton In migration fallback path, write_page() or lock_page() will be called. This causes sleep with holding rcu_read_lock(). For avoding that, just do rcu_lock if the page is Anon.(this is enough.) Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>