Date: Mon, 13 May 2013 13:51:18 -0400 From: John Baldwin <jhb@FreeBSD.org> To: Attilio Rao <attilio@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: Re: svn commit: r250543 - user/attilio/jeff-numa/sys/vm Message-ID: <51912816.1020603@FreeBSD.org> In-Reply-To: <201305120153.r4C1r3DN071206@svn.freebsd.org> References: <201305120153.r4C1r3DN071206@svn.freebsd.org>
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On 5/11/13 9:53 PM, Attilio Rao wrote: > Author: attilio > Date: Sun May 12 01:53:03 2013 > New Revision: 250543 > URL: http://svnweb.freebsd.org/changeset/base/250543 > > Log: > Scan all the domains when trying to allocate from freepages. > Some domains may be empty but others may still have some available pages > satisfying the allocations. It seems like you have nested loops here so you are doing N^2 scans rather than N? -- John Baldwin
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