On Tue, Dec 01, 2015 at 03:32:49PM +0100, Michal Hocko wrote: > From: Michal Hocko <[email protected]> > > b92b1b89a33c ("virtio: force vring descriptors to be allocated from > lowmem") tried to exclude highmem pages for descriptors so it cleared > __GFP_HIGHMEM from a given gfp mask. The patch also cleared __GFP_HIGH > which doesn't make much sense for this fix because __GFP_HIGH only > controls access to memory reserves and it doesn't have any influence > on the zone selection. Some of the call paths use GFP_ATOMIC and > dropping __GFP_HIGH will reduce their changes for success because the > lack of access to memory reserves. > > Signed-off-by: Michal Hocko <[email protected]>
Reviewed-by: Mel Gorman <[email protected]> It also has been tested by Ying Huang and found to have fixed a page allocation failure problem in 4.4-rc3 in the Intel 0-day testing infrastructure. -- Mel Gorman SUSE Labs _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
