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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