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| author |   Venki Pallipadi <venkatesh.pallipadi@intel.com> | 2008-08-19 16:28:01 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-08-20 12:08:37 +0200 |
| commit | 80c5e73d6028e0f03ab0c70e7c4cbf98ac2e0c43 (patch) | |
| tree | b1ae13cc96dd94e7090942e5602df6277a4126e4 /lib/bitmap.c | |
| parent | x86: fix "kernel won't boot on a Cyrix MediaGXm (Geode)" (diff) | |
| download | linux-dev-80c5e73d6028e0f03ab0c70e7c4cbf98ac2e0c43.tar.xz linux-dev-80c5e73d6028e0f03ab0c70e7c4cbf98ac2e0c43.zip | |
x86: fix Xorg startup/shutdown slowdown with PAT
Rene Herman reported significant Xorg startup/shutdown slowdown due
to PAT. It turns out that the memtype list has thousands of entries.
Add cached_entry to list add routine, in order to speed up the
lookup for sequential reserve_memtype calls.
Reported-by: Rene Herman <rene.herman@keyaccess.nl>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib/bitmap.c')
0 files changed, 0 insertions, 0 deletions