| commit | ddd538f3e6a1a4bec2f6942f83a753263e6577b4 | [log] [tgz] |
|---|---|---|
| author | Lai Jiangshan <laijs@cn.fujitsu.com> | Thu Apr 02 15:16:59 2009 +0800 |
| committer | Ingo Molnar <mingo@elte.hu> | Fri Apr 10 12:44:43 2009 +0200 |
| tree | b28047205b75d7e06ecf3eb0aca08c056ed4f51c | |
| parent | d1e7e02f30be672c6f6ee40908be83877a0d49d1 [diff] |
tracing: allocate page when needed Impact: Cleanup Sometimes, we open trace_pipe_raw, but we don't read(2) it, we just splice(2) it, thus, the page is not used. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <srostedt@redhat.com> LKML-Reference: <49D4666B.4010608@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>