diff options
| author | Eric Anholt <eric@anholt.net> | 2008-08-21 12:53:33 -0700 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2008-10-18 07:10:12 +1000 |
| commit | d1d8c925b71dd6753bf438f9e14a9e5c5183bcc6 (patch) | |
| tree | ea0669efa2f70ba8559d644e21b0356b1cba2458 /arch/um/include/mem_kern.h | |
| parent | 395e0ddc44005ced5e4fed9bfc2e4bdf63d37627 (diff) | |
Export kmap_atomic_pfn for DRM-GEM.
The driver would like to map IO space directly for copying data in when
appropriate, to avoid CPU cache flushing for streaming writes.
kmap_atomic_pfn lets us avoid IPIs associated with ioremap for this process.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/um/include/mem_kern.h')
0 files changed, 0 insertions, 0 deletions