Date: Sun, 18 May 2014 17:46:48 +0000 (UTC) From: Ian Lepore <ian@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: r266412 - stable/10/sys/arm/arm Message-ID: <201405181746.s4IHkmS0068423@svn.freebsd.org>
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Author: ian Date: Sun May 18 17:46:48 2014 New Revision: 266412 URL: http://svnweb.freebsd.org/changeset/base/266412 Log: MFC 258287: Implement pmap_align_superpage(). Modified: stable/10/sys/arm/arm/pmap-v6.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/arm/arm/pmap-v6.c ============================================================================== --- stable/10/sys/arm/arm/pmap-v6.c Sun May 18 17:14:08 2014 (r266411) +++ stable/10/sys/arm/arm/pmap-v6.c Sun May 18 17:46:48 2014 (r266412) @@ -5089,6 +5089,20 @@ void pmap_align_superpage(vm_object_t object, vm_ooffset_t offset, vm_offset_t *addr, vm_size_t size) { + vm_offset_t superpage_offset; + + if (size < NBPDR) + return; + if (object != NULL && (object->flags & OBJ_COLORED) != 0) + offset += ptoa(object->pg_color); + superpage_offset = offset & PDRMASK; + if (size - ((NBPDR - superpage_offset) & PDRMASK) < NBPDR || + (*addr & PDRMASK) == superpage_offset) + return; + if ((*addr & PDRMASK) < superpage_offset) + *addr = (*addr & ~PDRMASK) + superpage_offset; + else + *addr = ((*addr + PDRMASK) & ~PDRMASK) + superpage_offset; } /*
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