Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 26 Feb 2009 20:38:37 +0000 (UTC)
From:      John Baldwin <jhb@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org
Subject:   svn commit: r189088 - in stable/7/sys: . arm/arm contrib/pf dev/ath/ath_hal dev/cxgb ia64/ia64 powerpc/powerpc sparc64/sparc64 sun4v/sun4v
Message-ID:  <200902262038.n1QKcbHL037672@svn.freebsd.org>

next in thread | raw e-mail | index | archive | help
Author: jhb
Date: Thu Feb 26 20:38:37 2009
New Revision: 189088
URL: http://svn.freebsd.org/changeset/base/189088

Log:
  MFC: Add a stub for pmap_align_superpage() on machines that don't (yet)
  implement pmap-level support for superpages.
  
  Pointy hat to:	jhb

Modified:
  stable/7/sys/   (props changed)
  stable/7/sys/arm/arm/pmap.c
  stable/7/sys/contrib/pf/   (props changed)
  stable/7/sys/dev/ath/ath_hal/   (props changed)
  stable/7/sys/dev/cxgb/   (props changed)
  stable/7/sys/ia64/ia64/pmap.c
  stable/7/sys/powerpc/powerpc/pmap_dispatch.c
  stable/7/sys/sparc64/sparc64/pmap.c
  stable/7/sys/sun4v/sun4v/pmap.c

Modified: stable/7/sys/arm/arm/pmap.c
==============================================================================
--- stable/7/sys/arm/arm/pmap.c	Thu Feb 26 20:32:11 2009	(r189087)
+++ stable/7/sys/arm/arm/pmap.c	Thu Feb 26 20:38:37 2009	(r189088)
@@ -3829,7 +3829,8 @@ pmap_pinit(pmap_t pmap)
 	bzero(&pmap->pm_stats, sizeof pmap->pm_stats);
 	pmap->pm_stats.resident_count = 1;
 	if (vector_page < KERNBASE) {
-		pmap_enter(pmap, vector_page, PHYS_TO_VM_PAGE(systempage.pv_pa),
+		pmap_enter(pmap, vector_page, 
+		    VM_PROT_READ, PHYS_TO_VM_PAGE(systempage.pv_pa),
 		    VM_PROT_READ, 1);
 	} 
 	return (1);
@@ -4559,6 +4560,16 @@ pmap_addr_hint(vm_object_t obj, vm_offse
 	return(addr);
 }
 
+/*
+ *	Increase the starting virtual address of the given mapping if a
+ *	different alignment might result in more superpage mappings.
+ */
+void
+pmap_align_superpage(vm_object_t object, vm_ooffset_t offset,
+    vm_offset_t *addr, vm_size_t size)
+{
+}
+
 
 /*
  * Map a set of physical memory pages into the kernel virtual

Modified: stable/7/sys/ia64/ia64/pmap.c
==============================================================================
--- stable/7/sys/ia64/ia64/pmap.c	Thu Feb 26 20:32:11 2009	(r189087)
+++ stable/7/sys/ia64/ia64/pmap.c	Thu Feb 26 20:38:37 2009	(r189088)
@@ -2237,6 +2237,16 @@ pmap_addr_hint(vm_object_t obj, vm_offse
 	return addr;
 }
 
+/*
+ *	Increase the starting virtual address of the given mapping if a
+ *	different alignment might result in more superpage mappings.
+ */
+void
+pmap_align_superpage(vm_object_t object, vm_ooffset_t offset,
+    vm_offset_t *addr, vm_size_t size)
+{
+}
+
 #include "opt_ddb.h"
 
 #ifdef DDB

Modified: stable/7/sys/powerpc/powerpc/pmap_dispatch.c
==============================================================================
--- stable/7/sys/powerpc/powerpc/pmap_dispatch.c	Thu Feb 26 20:32:11 2009	(r189087)
+++ stable/7/sys/powerpc/powerpc/pmap_dispatch.c	Thu Feb 26 20:38:37 2009	(r189088)
@@ -296,6 +296,16 @@ pmap_addr_hint(vm_object_t obj, vm_offse
 	return (MMU_ADDR_HINT(mmu_obj, obj, addr, size));
 }
 
+/*
+ *	Increase the starting virtual address of the given mapping if a
+ *	different alignment might result in more superpage mappings.
+ */
+void
+pmap_align_superpage(vm_object_t object, vm_ooffset_t offset,
+    vm_offset_t *addr, vm_size_t size)
+{
+}
+
 
 
 /*

Modified: stable/7/sys/sparc64/sparc64/pmap.c
==============================================================================
--- stable/7/sys/sparc64/sparc64/pmap.c	Thu Feb 26 20:32:11 2009	(r189087)
+++ stable/7/sys/sparc64/sparc64/pmap.c	Thu Feb 26 20:38:37 2009	(r189088)
@@ -1963,3 +1963,13 @@ pmap_addr_hint(vm_object_t object, vm_of
 
 	return (va);
 }
+
+/*
+ *	Increase the starting virtual address of the given mapping if a
+ *	different alignment might result in more superpage mappings.
+ */
+void
+pmap_align_superpage(vm_object_t object, vm_ooffset_t offset,
+    vm_offset_t *addr, vm_size_t size)
+{
+}

Modified: stable/7/sys/sun4v/sun4v/pmap.c
==============================================================================
--- stable/7/sys/sun4v/sun4v/pmap.c	Thu Feb 26 20:32:11 2009	(r189087)
+++ stable/7/sys/sun4v/sun4v/pmap.c	Thu Feb 26 20:38:37 2009	(r189088)
@@ -431,6 +431,16 @@ pmap_addr_hint(vm_object_t object, vm_of
 }
 
 /*
+ *	Increase the starting virtual address of the given mapping if a
+ *	different alignment might result in more superpage mappings.
+ */
+void
+pmap_align_superpage(vm_object_t object, vm_ooffset_t offset,
+    vm_offset_t *addr, vm_size_t size)
+{
+}
+
+/*
  * Bootstrap the system enough to run with virtual memory.
  */
 void



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200902262038.n1QKcbHL037672>