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authorNicolas Saenz Julienne <nsaenzjulienne@suse.de>2020-08-14 13:26:23 +0300
committerChristoph Hellwig <hch@lst.de>2020-08-14 17:27:05 +0300
commitd7e673ec2c8e0ea39c4c70fc490d67d7fbda869d (patch)
tree53d4869dd16cfe73992ceb71094b0914566d5f3d /drivers
parent9420139f516d7fbc248ce17f35275cb005ed98ea (diff)
downloadlinux-d7e673ec2c8e0ea39c4c70fc490d67d7fbda869d.tar.xz
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>
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