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| author | Olaf Hering <olaf@aepfle.de> | 2011-06-10 10:47:23 +0200 |
|---|---|---|
| committer | Olaf Hering <olaf@aepfle.de> | 2011-06-10 10:47:23 +0200 |
| commit | 46a3d35ca3f76b2b2b0e3fdf9036ec1e279ef8cb (patch) | |
| tree | 69829079b25ea22edb980f09ef55a2091d8cda09 /tools/xenpaging | |
| parent | fd1b11466ee8a3ddc78dee1696e6934b48e01939 (diff) | |
| download | xen-46a3d35ca3f76b2b2b0e3fdf9036ec1e279ef8cb.tar.gz xen-46a3d35ca3f76b2b2b0e3fdf9036ec1e279ef8cb.tar.bz2 xen-46a3d35ca3f76b2b2b0e3fdf9036ec1e279ef8cb.zip | |
xenpaging: start paging in the middle of gfn range
Set the starting gfn to somewhere in the middle of the gfn range to
avoid paging during BIOS startup. This can speedup booting of a guest.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Diffstat (limited to 'tools/xenpaging')
| -rw-r--r-- | tools/xenpaging/policy_default.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/xenpaging/policy_default.c b/tools/xenpaging/policy_default.c index 83fe830309..0d32c94859 100644 --- a/tools/xenpaging/policy_default.c +++ b/tools/xenpaging/policy_default.c @@ -69,6 +69,10 @@ int policy_init(xenpaging_t *paging) /* Don't page out page 0 */ set_bit(0, bitmap); + /* Start in the middle to avoid paging during BIOS startup */ + current_gfn = max_pages / 2; + current_gfn -= paging->num_pages / 2; + rc = 0; out: return rc; |