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(parent: f18e1d9) | patch
drm/nouveau/mmu: implement page table cache
authorBen Skeggs <bskeggs@redhat.com>
Tue, 31 Oct 2017 17:56:19 +0000 (03:56 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Thu, 2 Nov 2017 03:32:24 +0000 (13:32 +1000)
commite7565398f47a8486111952f18ea75c9bb478c75f
tree7079567c725f676294b36dec2ac60ab5c6f23df6tree | snapshot
parentf18e1d9a7b01edaf0a5861a5f670394c52914381commit | diff
drm/nouveau/mmu: implement page table cache

Builds up and maintains a small cache of each page table size in order
to reduce the frequency of expensive allocations, particularly in the
pathological case where an address range ping-pongs between allocated
and free.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h diff | blob | history
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c diff | blob | history
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h diff | blob | history
Linux Kernel Source Tree.