[src/trunk]: src/sys/arch Add a FIRST1G page freelist to x86, for old graphic...

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

details:   https://anonhg.NetBSD.org/src/rev/db5a445e3a59
branches:  trunk
changeset: 330850:db5a445e3a59
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Thu Jul 24 13:42:28 2014 +0000

description:
Add a FIRST1G page freelist to x86, for old graphics devices.

diffstat:

 sys/arch/amd64/include/vmparam.h |  7 ++++---
 sys/arch/i386/include/vmparam.h  |  7 ++++---
 sys/arch/x86/x86/x86_machdep.c   |  8 +++++---
 3 files changed, 13 insertions(+), 9 deletions(-)

diffs (75 lines):

diff -r 6bbe95dbb7ef -r db5a445e3a59 sys/arch/amd64/include/vmparam.h
--- a/sys/arch/amd64/include/vmparam.h  Thu Jul 24 13:22:49 2014 +0000
+++ b/sys/arch/amd64/include/vmparam.h  Thu Jul 24 13:42:28 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vmparam.h,v 1.35 2014/06/12 19:02:35 riastradh Exp $   */
+/*     $NetBSD: vmparam.h,v 1.36 2014/07/24 13:42:28 riastradh Exp $   */
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -157,12 +157,13 @@
 #define VM_PHYSSEG_MAX         32      /* 1 "hole" + 31 free lists */
 #define VM_PHYSSEG_STRAT       VM_PSTRAT_BIGFIRST
 
-#define        VM_NFREELIST            5
+#define        VM_NFREELIST            6
 #define        VM_FREELIST_DEFAULT     0
 #define        VM_FREELIST_FIRST1T     1
 #define        VM_FREELIST_FIRST64G    2
 #define        VM_FREELIST_FIRST4G     3
-#define        VM_FREELIST_FIRST16     4
+#define        VM_FREELIST_FIRST1G     4
+#define        VM_FREELIST_FIRST16     5
 
 #else  /*      !__x86_64__     */
 
diff -r 6bbe95dbb7ef -r db5a445e3a59 sys/arch/i386/include/vmparam.h
--- a/sys/arch/i386/include/vmparam.h   Thu Jul 24 13:22:49 2014 +0000
+++ b/sys/arch/i386/include/vmparam.h   Thu Jul 24 13:42:28 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vmparam.h,v 1.80 2014/06/12 19:02:35 riastradh Exp $   */
+/*     $NetBSD: vmparam.h,v 1.81 2014/07/24 13:42:28 riastradh Exp $   */
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -135,8 +135,9 @@
 #define        VM_NFREELIST            1
 #else
 #define        VM_PHYSSEG_MAX          32      /* 1 "hole" + 31 free lists */
-#define        VM_NFREELIST            3
-#define        VM_FREELIST_FIRST16     2
+#define        VM_NFREELIST            4
+#define        VM_FREELIST_FIRST16     3
+#define        VM_FREELIST_FIRST1G     2
 #define        VM_FREELIST_FIRST4G     1
 #endif /* XEN */
 #define        VM_FREELIST_DEFAULT     0
diff -r 6bbe95dbb7ef -r db5a445e3a59 sys/arch/x86/x86/x86_machdep.c
--- a/sys/arch/x86/x86/x86_machdep.c    Thu Jul 24 13:22:49 2014 +0000
+++ b/sys/arch/x86/x86/x86_machdep.c    Thu Jul 24 13:42:28 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: x86_machdep.c,v 1.65 2014/06/12 19:02:35 riastradh Exp $       */
+/*     $NetBSD: x86_machdep.c,v 1.66 2014/07/24 13:42:28 riastradh Exp $       */
 
 /*-
  * Copyright (c) 2002, 2006, 2007 YAMAMOTO Takashi,
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: x86_machdep.c,v 1.65 2014/06/12 19:02:35 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: x86_machdep.c,v 1.66 2014/07/24 13:42:28 riastradh Exp $");
 
 #include "opt_modular.h"
 #include "opt_physmem.h"
@@ -703,7 +703,9 @@
        /* 32-bit addresses needed for PCI 32-bit DMA and old graphics.  */
        { VM_FREELIST_FIRST4G,  4ULL * 1024 * 1024 * 1024 },
 #endif
-       /* 24-bit addresses needed for ISA DMA and ancient graphics.  */
+       /* 30-bit addresses needed for ancient graphics.  */
+       { VM_FREELIST_FIRST1G,  1ULL * 1024 * 1024 * 1024 },
+       /* 24-bit addresses needed for ISA DMA.  */
        { VM_FREELIST_FIRST16,  16 * 1024 * 1024 },
 };