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openSUSE:12.2
xen
23592-xenpaging_start_paging_in_the_middle_of_g...
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File 23592-xenpaging_start_paging_in_the_middle_of_gfn_range.patch of Package xen
changeset: 23592:1e44e75d889c user: Olaf Hering <olaf@aepfle.de> date: Fri Jun 10 10:47:23 2011 +0200 files: tools/xenpaging/policy_default.c description: 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> --- tools/xenpaging/policy_default.c | 4 ++++ 1 file changed, 4 insertions(+) Index: xen-4.1.2-testing/tools/xenpaging/policy_default.c =================================================================== --- xen-4.1.2-testing.orig/tools/xenpaging/policy_default.c +++ xen-4.1.2-testing/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;
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