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| author |   David Hildenbrand <david@redhat.com> | 2020-11-12 14:37:56 +0100 |
|---|---|---|
| committer |   Michael S. Tsirkin <mst@redhat.com> | 2020-12-18 16:14:26 -0500 |
| commit | f2d799d591359685a3a74d28c2989c56f4bb9898 (patch) | |
| tree | c3612f771eb0ac45066ccf684544796eb5074cf6 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | virtio-mem: factor out handling of fake-offline pages in memory notifier (diff) | |
| download | linux-dev-f2d799d591359685a3a74d28c2989c56f4bb9898.tar.xz linux-dev-f2d799d591359685a3a74d28c2989c56f4bb9898.zip | |
virtio-mem: retry fake-offlining via alloc_contig_range() on ZONE_MOVABLE
ZONE_MOVABLE is supposed to give some guarantees, yet,
alloc_contig_range() isn't prepared to properly deal with some racy
cases properly (e.g., temporary page pinning when exiting processed, PCP).
Retry 5 times for now. There is certainly room for improvement in the
future.
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20201112133815.13332-11-david@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions