mirror of https://gitee.com/openkylin/linux.git
e930888487
Calls to set_memory_wb() incure heavy TLB flush and IPI cost. To minimize those wait until pool grow beyond batch size before draining the pool. Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com> Reviewed-and-Tested-by: Michel Dänzer <michel@daenzer.net> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com> |
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