Date: Tue, 3 May 2011 18:48:06 +0000 (UTC) From: Attilio Rao <attilio@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r221396 - projects/largeSMP/sys/sys Message-ID: <201105031848.p43Im6At006596@svn.freebsd.org>
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Author: attilio Date: Tue May 3 18:48:06 2011 New Revision: 221396 URL: http://svn.freebsd.org/changeset/base/221396 Log: Add a comment explaining the discrepancy in size between kernel and userland of cpuset_t. Discussed with: jhb Modified: projects/largeSMP/sys/sys/cpuset.h Modified: projects/largeSMP/sys/sys/cpuset.h ============================================================================== --- projects/largeSMP/sys/sys/cpuset.h Tue May 3 18:36:36 2011 (r221395) +++ projects/largeSMP/sys/sys/cpuset.h Tue May 3 18:48:06 2011 (r221396) @@ -36,6 +36,10 @@ #define CPU_SETSIZE MAXCPU #endif +/* + * In userland a bigger cpuset structure is preferable in order to cope + * with kernel bumping of MAXCPU and still have a compatible layout. + */ #define CPU_MAXSIZE (4 * MAXCPU) #ifndef CPU_SETSIZE
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