| commit | 85ae87c1ad8e18a421e7448a99a42ecda183f29f | [log] [tgz] |
|---|---|---|
| author | Tejun Heo <tj@kernel.org> | Mon Jun 22 11:56:23 2009 +0900 |
| committer | Tejun Heo <tj@kernel.org> | Mon Jun 22 11:56:23 2009 +0900 |
| tree | 8fcf3fe5bc9a96a1c16244950d944d4a4e7130c5 | |
| parent | f234012f52a37e48f2330e1ca2df69800e797c3b [diff] |
percpu: fix too lazy vunmap cache flushing In pcpu_unmap(), flushing virtual cache on vunmap can't be delayed as the page is going to be returned to the page allocator. Only TLB flushing can be put off such that vmalloc code can handle it lazily. Fix it. [ Impact: fix subtle virtual cache flush bug ] Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Nick Piggin <npiggin@suse.de> Cc: Ingo Molnar <mingo@elte.hu>