x86-64: Combine SRAT regions when possible

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... i.e. when the hole between two regions isn't occupied by memory on
another node. This reduces the memory->node table size, thus reducing
cache footprint of lookups, which got increased significantly some
time ago, and things go back to how they were before that change on
the systems I looked at.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <4BCF3230020000780003B3CA@vpn.id2.novell.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

...

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Jan Beulich 2010-04-21 16:13:20 +01:00 • committed by H. Peter Anvin

parent 1d16b0f2f3

commit 2e61878698

1 changed files with 48 additions and 0 deletions

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arch/x86/mm/srat_64.c

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