Date: Wed, 21 Jan 2009 15:04:06 +0000 (UTC) From: Ed Maste <emaste@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-6@freebsd.org Subject: svn commit: r187530 - in stable/6/sys: . vm Message-ID: <200901211504.n0LF46BP081009@svn.freebsd.org>
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Author: emaste Date: Wed Jan 21 15:04:06 2009 New Revision: 187530 URL: http://svn.freebsd.org/changeset/base/187530 Log: MFC r181693: Fix REDZONE(9) on amd64 and perhaps other 64 bit targets -- ensure the space that redzone adds to the allocation for storing its metadata is at least as large as the metadata that it will store there. PR: kern/128744 Modified: stable/6/sys/ (props changed) stable/6/sys/vm/redzone.c Modified: stable/6/sys/vm/redzone.c ============================================================================== --- stable/6/sys/vm/redzone.c Wed Jan 21 15:01:36 2009 (r187529) +++ stable/6/sys/vm/redzone.c Wed Jan 21 15:04:06 2009 (r187530) @@ -54,6 +54,8 @@ static u_long redzone_roundup(u_long n) { + if (n < REDZONE_HSIZE) + n = REDZONE_HSIZE; if (n <= 128) return (128); else if (n <= 256)
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