diff options
author | Tejun Heo <tj@kernel.org> | 2014-08-16 00:06:10 +0400 |
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committer | Tejun Heo <tj@kernel.org> | 2014-08-16 00:06:10 +0400 |
commit | 849f5169097e1ba35b90ac9df76b5bb6f9c0aabd (patch) | |
tree | d8dd8a5a10a143dd93178522108fa0da1dfd358e /mm/percpu.c | |
parent | f0d279654dea22b7a6ad34b9334aee80cda62cde (diff) |
percpu: perform tlb flush after pcpu_map_pages() failure
If pcpu_map_pages() fails midway, it unmaps the already mapped pages.
Currently, it doesn't flush tlb after the partial unmapping. This may
be okay in most cases as the established mapping hasn't been used at
that point but it can go wrong and when it goes wrong it'd be
extremely difficult to track down.
Flush tlb after the partial unmapping.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
Diffstat (limited to 'mm/percpu.c')
0 files changed, 0 insertions, 0 deletions