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xen.548
xenpaging.blacklist.patch
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File xenpaging.blacklist.patch of Package xen.548
Subject: xenpaging: prevent page-out of first 16MB This is more a workaround than a bugfix: Don't page out first 16MB of memory. When the BIOS does its initialization process and xenpaging removes pages, crashes will occour due to lack of support of xenpaging. Signed-off-by: Olaf Hering <olaf@aepfle.de> --- tools/xenpaging/policy_default.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) Index: xen-4.0.3-testing/tools/xenpaging/policy_default.c =================================================================== --- xen-4.0.3-testing.orig/tools/xenpaging/policy_default.c +++ xen-4.0.3-testing/tools/xenpaging/policy_default.c @@ -60,8 +60,9 @@ int policy_init(xenpaging_t *paging) for ( i = 0; i < MRU_SIZE; i++ ) mru[i] = INVALID_MFN; - /* Don't page out page 0 */ - set_bit(0, bitmap); + /* Don't page out first 16MB */ + for ( i = 0; i < ((16*1024*1024)/4096); i++ ) + set_bit(i, bitmap); out: return rc;
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