Flip previously warm pages in the buffer cache to memory above the DMA
authorbeck <beck@openbsd.org>
Sun, 16 Apr 2017 14:25:42 +0000 (14:25 +0000)
committerbeck <beck@openbsd.org>
Sun, 16 Apr 2017 14:25:42 +0000 (14:25 +0000)
commit760844cebca3b03c1e6de096a03629b49a7ac2e2
tree067094c6411ab8e6c4a81df848559f68c7b07439
parented1792d6a5dad4e0a680a3d98e03ee987da12d68
Flip previously warm pages in the buffer cache to memory above the DMA
region if uvm tells us it is available.
nits from deraadt@
ok krw@ guenther@ kettenis@
sys/kern/vfs_bio.c
sys/kern/vfs_biomem.c
sys/sys/buf.h