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| author |   Mikulas Patocka <mpatocka@redhat.com> | 2022-07-13 07:05:51 -0400 |
|---|---|---|
| committer |   Mike Snitzer <snitzer@kernel.org> | 2022-07-14 15:52:31 -0400 |
| commit | 949d49ec306dfca51d63d89bc316211a2a008cfc (patch) | |
| tree | 26caed708591f0ef68411438e440f0661e8801c8 /tools/perf/util/include/linux/git:/ssh:/git@git.zx2c4.com | |
| parent | dm writecache: set a default MAX_WRITEBACK_JOBS (diff) | |
| download | linux-dev-949d49ec306dfca51d63d89bc316211a2a008cfc.tar.xz linux-dev-949d49ec306dfca51d63d89bc316211a2a008cfc.zip | |
dm kcopyd: use __GFP_HIGHMEM when allocating pages
dm-kcopyd doesn't access the allocated pages directly, it only passes
them to dm-io which adds them to a bio list - thus, we can allocate
the pages from high memory. This will reduce pressure on the low
memory when there are a large number of kcopyd jobs in progress.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Diffstat (limited to 'tools/perf/util/include/linux/git:/ssh:/git@git.zx2c4.com')
0 files changed, 0 insertions, 0 deletions