git: DragonFly_RELEASE_4_2 i915_gem_mmap_ioctl - Align the mmap to 256KB

[Matthew Dillon]

commit 28502fd81d7033d7fb6f2e5f3e74ebd82c9babb4
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Wed Jun 17 11:21:17 2015 -0700

    i915_gem_mmap_ioctl - Align the mmap to 256KB
    
    * Appears to improve performance and potentially fix a few reported issues.
      It is not clear why aligning the virtual address has this effect.

Summary of changes:
 sys/dev/drm/i915/i915_gem.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/28502fd81d7033d7fb6f2e5f3e74ebd82c9babb4


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