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authorMark Johnston <markj@FreeBSD.org>2020-08-26 14:31:48 +0000
committerMark Johnston <markj@FreeBSD.org>2020-08-26 14:31:48 +0000
commitaea9103e068e2fa8df4928f6b3d336523f616011 (patch)
tree16d97ba1464ab0a3b66b4d050dad56a274c3f69a /cddl/sbin
parent41c6838786c193bfeb2b2ff0c3d36c119217aeab (diff)
downloadsrc-aea9103e068e2fa8df4928f6b3d336523f616011.tar.gz
src-aea9103e068e2fa8df4928f6b3d336523f616011.zip
Use a large kmem arena import size on NUMA systems.
This helps minimize internal fragmentation that occurs when 2MB imports are interleaved across NUMA domains. Virtually all KVA allocations on direct map platforms consume more than one page, so the fragmentation manifests as runs of 511 4KB page mappings in the kernel. Reviewed by: alc, kib Tested by: pho Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D26050
Notes
Notes: svn path=/head/; revision=364820
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