Date: Thu, 14 Nov 2013 21:27:19 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r258145 - stable/8/sys/vm Message-ID: <201311142127.rAELRJia095730@svn.freebsd.org>
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Author: jhb Date: Thu Nov 14 21:27:19 2013 New Revision: 258145 URL: http://svnweb.freebsd.org/changeset/base/258145 Log: MFC 255497: Fix an off-by-one error when populating mincore(2) entries for skipped entries. lastvecindex references the last valid byte, so the new bytes should come after it. Modified: stable/8/sys/vm/vm_mmap.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/vm/ (props changed) Modified: stable/8/sys/vm/vm_mmap.c ============================================================================== --- stable/8/sys/vm/vm_mmap.c Thu Nov 14 21:27:13 2013 (r258144) +++ stable/8/sys/vm/vm_mmap.c Thu Nov 14 21:27:19 2013 (r258145) @@ -878,12 +878,12 @@ RestartScan: * the byte vector is zeroed for those skipped entries. */ while ((lastvecindex + 1) < vecindex) { + ++lastvecindex; error = subyte(vec + lastvecindex, 0); if (error) { error = EFAULT; goto done2; } - ++lastvecindex; } /* @@ -919,12 +919,12 @@ RestartScan: */ vecindex = OFF_TO_IDX(end - first_addr); while ((lastvecindex + 1) < vecindex) { + ++lastvecindex; error = subyte(vec + lastvecindex, 0); if (error) { error = EFAULT; goto done2; } - ++lastvecindex; } /*
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