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xenpaging.evict_mmap_readonly.patch
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File xenpaging.evict_mmap_readonly.patch of Package xen
xenpaging: mmap gfn to evict in readonly mode nominate/evict will not modify the page so there is no need to map the page rw. --- tools/xenpaging/xenpaging.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) Index: xen-4.1.2-testing/tools/xenpaging/xenpaging.c =================================================================== --- xen-4.1.2-testing.orig/tools/xenpaging/xenpaging.c +++ xen-4.1.2-testing/tools/xenpaging/xenpaging.c @@ -575,8 +575,7 @@ static int xenpaging_evict_page(xenpagin /* Map page to get a handle */ gfn = victim->gfn; - page = xc_map_foreign_pages(xch, paging->mem_event.domain_id, - PROT_READ | PROT_WRITE, &gfn, 1); + page = xc_map_foreign_pages(xch, paging->mem_event.domain_id, PROT_READ, &gfn, 1); if ( page == NULL ) { if ( errno == EINVAL )
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