[src/trunk]: src/sys/uvm When allocating pages for kernel map entries and PMA...

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

details:   https://anonhg.NetBSD.org/src/rev/c33740d5225d
branches:  trunk
changeset: 771486:c33740d5225d
user:      matt <matt%NetBSD.org@localhost>
date:      Wed Nov 23 01:00:52 2011 +0000

description:
When allocating pages for kernel map entries 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_map.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (32 lines):

diff -r 6a0c21960519 -r c33740d5225d sys/uvm/uvm_map.c
--- a/sys/uvm/uvm_map.c Wed Nov 23 00:56:56 2011 +0000
+++ b/sys/uvm/uvm_map.c Wed Nov 23 01:00:52 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uvm_map.c,v 1.305 2011/09/27 01:02:39 jym Exp $        */
+/*     $NetBSD: uvm_map.c,v 1.306 2011/11/23 01:00:52 matt Exp $       */
 
 /*
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -66,7 +66,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.305 2011/09/27 01:02:39 jym Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.306 2011/11/23 01:00:52 matt Exp $");
 
 #include "opt_ddb.h"
 #include "opt_uvmhist.h"
@@ -4710,8 +4710,13 @@
         * for simplicity, always allocate one page chunk of them at once.
         */
 
+#ifdef PMAP_ALLOC_POOLPAGE
+       pg = PMAP_ALLOC_POOLPAGE(
+           (flags & UVM_KMF_NOWAIT) != 0 ? UVM_PGA_USERESERVE : 0);
+#else
        pg = uvm_pagealloc(NULL, 0, NULL,
            (flags & UVM_KMF_NOWAIT) != 0 ? UVM_PGA_USERESERVE : 0);
+#endif
        if (__predict_false(pg == NULL)) {
                if (flags & UVM_FLAG_NOWAIT)
                        return NULL;