[src/trunk]: src/sys/uvm When allocating a page for a kernel stack and PMAP_A...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/688d1123f117
branches:  trunk
changeset: 771487:688d1123f117
user:      matt <matt%NetBSD.org@localhost>
date:      Wed Nov 23 01:07:50 2011 +0000

description:
When allocating a page for a kernel stack and PMAP_ALLOC_POOLPAGE is
defined, use it.  (allows a MIPS N32 kernel to boot when there is memory
outside of KSEG0).

diffstat:

 sys/uvm/uvm_glue.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (32 lines):

diff -r c33740d5225d -r 688d1123f117 sys/uvm/uvm_glue.c
--- a/sys/uvm/uvm_glue.c        Wed Nov 23 01:00:52 2011 +0000
+++ b/sys/uvm/uvm_glue.c        Wed Nov 23 01:07:50 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uvm_glue.c,v 1.151 2011/07/02 01:26:29 matt Exp $      */
+/*     $NetBSD: uvm_glue.c,v 1.152 2011/11/23 01:07:50 matt Exp $      */
 
 /*
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_glue.c,v 1.151 2011/07/02 01:26:29 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_glue.c,v 1.152 2011/11/23 01:07:50 matt Exp $");
 
 #include "opt_kgdb.h"
 #include "opt_kstack.h"
@@ -245,8 +245,13 @@
                struct vm_page *pg;
                vaddr_t va;
 
+#if defined(PMAP_ALLOC_POOLPAGE)
+               pg = PMAP_ALLOC_POOLPAGE(
+                  ((flags & PR_WAITOK) == 0 ? UVM_KMF_NOWAIT : 0));
+#else
                pg = uvm_pagealloc(NULL, 0, NULL,
                   ((flags & PR_WAITOK) == 0 ? UVM_KMF_NOWAIT : 0));
+#endif
                if (pg == NULL)
                        return NULL;
                va = PMAP_MAP_POOLPAGE(VM_PAGE_TO_PHYS(pg));