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authorDan Williams <dan.j.williams@intel.com>2009-07-14 11:50:52 -0700
committerDan Williams <dan.j.williams@intel.com>2009-08-29 19:09:26 -0700
commitd6f38f31f3ad4b0dd33fe970988f14e7c65ef702 (patch)
tree0b881c68e676376f2f0eccb2eb377dc3561d395f /crypto/async_tx
parentmd/raid6: move the spare page to a percpu allocation (diff)
downloadlinux-dev-d6f38f31f3ad4b0dd33fe970988f14e7c65ef702.tar.xz
linux-dev-d6f38f31f3ad4b0dd33fe970988f14e7c65ef702.zip
md/raid5,6: add percpu scribble region for buffer lists
Use percpu memory rather than stack for storing the buffer lists used in parity calculations. Include space for dma address conversions and pass that to async_tx via the async_submit_ctl.scribble pointer. [ Impact: move memory pressure from stack to heap ] Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'crypto/async_tx')
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