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| author |   Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> | 2010-11-01 14:36:09 +0900 |
|---|---|---|
| committer |   Avi Kivity <avi@redhat.com> | 2011-01-12 11:28:48 +0200 |
| commit | 6f9e5c1702319e048a90e06e31b957fbbcecbe07 (patch) | |
| tree | 335deee0e2351cdde480460200162dc055ef717e /Documentation/unshare.txt | |
| parent | KVM: pre-allocate one more dirty bitmap to avoid vmalloc() (diff) | |
| download | linux-dev-6f9e5c1702319e048a90e06e31b957fbbcecbe07.tar.xz linux-dev-6f9e5c1702319e048a90e06e31b957fbbcecbe07.zip | |
KVM: use kmalloc() for small dirty bitmaps
Currently we are using vmalloc() for all dirty bitmaps even if
they are small enough, say less than K bytes.
We use kmalloc() if dirty bitmap size is less than or equal to
PAGE_SIZE so that we can avoid vmalloc area usage for VGA.
This will also make the logging start/stop faster.
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'Documentation/unshare.txt')
0 files changed, 0 insertions, 0 deletions