Module Name: src Committed By: reinoud Date: Tue Aug 30 11:57:20 UTC 2011
Modified Files: src/sys/arch/usermode/usermode: pmap.c Log Message: Implement pmap_is_referenced() To generate a diff of this commit: cvs rdiff -u -r1.46 -r1.47 src/sys/arch/usermode/usermode/pmap.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/usermode/usermode/pmap.c diff -u src/sys/arch/usermode/usermode/pmap.c:1.46 src/sys/arch/usermode/usermode/pmap.c:1.47 --- src/sys/arch/usermode/usermode/pmap.c:1.46 Tue Aug 30 11:53:22 2011 +++ src/sys/arch/usermode/usermode/pmap.c Tue Aug 30 11:57:20 2011 @@ -1,4 +1,4 @@ -/* $NetBSD: pmap.c,v 1.46 2011/08/30 11:53:22 reinoud Exp $ */ +/* $NetBSD: pmap.c,v 1.47 2011/08/30 11:57:20 reinoud Exp $ */ /*- * Copyright (c) 2011 Reinoud Zandijk <rein...@netbsd.org> @@ -27,7 +27,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.46 2011/08/30 11:53:22 reinoud Exp $"); +__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.47 2011/08/30 11:57:20 reinoud Exp $"); #include "opt_memsize.h" #include "opt_kmempages.h" @@ -929,10 +929,14 @@ } bool -pmap_is_referenced(struct vm_page *pg) +pmap_is_referenced(struct vm_page *page) { -aprint_debug("pmap_is_referenced not implemented\n"); - return false; + intptr_t ppn; + + ppn = atop(VM_PAGE_TO_PHYS(page)); + aprint_debug("pmap_is_referenced page %"PRIiPTR"\n", ppn); + + return (pv_table[ppn].pv_pflags & PV_REFERENCED) != 0; } paddr_t