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| author |   Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2020-08-14 12:26:23 +0200 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2020-08-14 16:27:05 +0200 |
| commit | d7e673ec2c8e0ea39c4c70fc490d67d7fbda869d (patch) | |
| tree | 53d4869dd16cfe73992ceb71094b0914566d5f3d /tools/perf/scripts/python/futex-contention.py | |
| parent | dma-pool: fix coherent pool allocations for IOMMU mappings (diff) | |
| download | linux-rng-d7e673ec2c8e0ea39c4c70fc490d67d7fbda869d.tar.xz linux-rng-d7e673ec2c8e0ea39c4c70fc490d67d7fbda869d.zip | |
dma-pool: Only allocate from CMA when in same memory zone
There is no guarantee to CMA's placement, so allocating a zone specific
atomic pool from CMA might return memory from a completely different
memory zone. To get around this double check CMA's placement before
allocating from it.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
0 files changed, 0 insertions, 0 deletions