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(parent: eab81d3) | patch
MFC r278074:
authorhselasky <hselasky@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Tue, 10 Feb 2015 13:25:29 +0000 (13:25 +0000)
committerhselasky <hselasky@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Tue, 10 Feb 2015 13:25:29 +0000 (13:25 +0000)
commit6b56a99e942c3c82ba1bc76d7fb0b3a362c520bd
tree6f6835c1f21ad66aff55ff14e29a343b3968e37ftree | snapshot
parenteab81d3c8ac88c983c3ee58f18adbe1675f0d242commit | diff
MFC r278074:
Optimise allocation of USB DMA structures. By default don't double map
allocations if only one element should be allocated per page
cache. Make one allocation per element compile time configurable. Fix
a comment while at it.

git-svn-id: svn://svn.freebsd.org/base/stable/10@278510 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/conf/options diff | blob | history
sys/dev/usb/usb_transfer.c diff | blob | history
10-STABLE