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authorJennifer Herbert <jennifer.herbert@citrix.com>2014-12-24 14:03:16 +0000
committerDavid Vrabel <david.vrabel@citrix.com>2015-01-28 14:03:11 +0000
commit0ae65f49af64d68f0daca37b83383115cae5e690 (patch)
tree9c55a3b138a4f3fcccf1b6b6c7ab82c16ca699e4 /include/xen
parent0bb599fd30108883b00c7d4a226eeb49111e6932 (diff)
x86/xen: require ballooned pages for grant maps
Ballooned pages are always used for grant maps which means the original frame does not need to be saved in page->index nor restored after the grant unmap. This allows the workaround in netback for the conflicting use of the (unionized) page->index and page->pfmemalloc to be removed. Signed-off-by: Jennifer Herbert <jennifer.herbert@citrix.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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