Date: Wed, 5 Aug 2015 07:30:00 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r286306 - stable/10/sys/vm Message-ID: <201508050730.t757U0Lo080508@repo.freebsd.org>
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Author: kib Date: Wed Aug 5 07:29:59 2015 New Revision: 286306 URL: https://svnweb.freebsd.org/changeset/base/286306 Log: MFC r285046: Account for the main process stack being one page below the highest user address when ABI uses shared page. Modified: stable/10/sys/vm/vm_map.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/vm/vm_map.c ============================================================================== --- stable/10/sys/vm/vm_map.c Wed Aug 5 07:21:44 2015 (r286305) +++ stable/10/sys/vm/vm_map.c Wed Aug 5 07:29:59 2015 (r286306) @@ -3657,7 +3657,8 @@ Retry: return (KERN_NO_SPACE); } - is_procstack = (addr >= (vm_offset_t)vm->vm_maxsaddr) ? 1 : 0; + is_procstack = (addr >= (vm_offset_t)vm->vm_maxsaddr && + addr < (vm_offset_t)p->p_sysent->sv_usrstack) ? 1 : 0; /* * If this is the main process stack, see if we're over the stack
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