Date: Wed, 28 Apr 2010 04:25:36 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r207305 - head/sys/mips/mips Message-ID: <201004280425.o3S4Pae5019693@svn.freebsd.org>
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Author: alc Date: Wed Apr 28 04:25:36 2010 New Revision: 207305 URL: http://svn.freebsd.org/changeset/base/207305 Log: Adapt i386 r207205 to mips: Clearing PV_TABLE_REF and setting the page's PG_REFERENCED flag in pmap_protect() can't really be justified, so don't do it. Modified: head/sys/mips/mips/pmap.c Modified: head/sys/mips/mips/pmap.c ============================================================================== --- head/sys/mips/mips/pmap.c Wed Apr 28 00:49:24 2010 (r207304) +++ head/sys/mips/mips/pmap.c Wed Apr 28 04:25:36 2010 (r207305) @@ -1690,16 +1690,10 @@ retry: obits = pbits = *pte; pa = mips_tlbpfn_to_paddr(pbits); - if (page_is_managed(pa)) { + if (page_is_managed(pa) && (pbits & PTE_M) != 0) { m = PHYS_TO_VM_PAGE(pa); - if (m->md.pv_flags & PV_TABLE_REF) { - vm_page_flag_set(m, PG_REFERENCED); - m->md.pv_flags &= ~PV_TABLE_REF; - } - if (pbits & PTE_M) { - vm_page_dirty(m); - m->md.pv_flags &= ~PV_TABLE_MOD; - } + vm_page_dirty(m); + m->md.pv_flags &= ~PV_TABLE_MOD; } pbits = (pbits & ~PTE_M) | PTE_RO;
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