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SubjectRe: [PATCH 16/16] 64bit Resource: finally enable 64bit resource sizes
On Mon, Jun 19, 2006 at 12:17:12PM +0200, Roman Zippel wrote:
> Hi,
>
> On Mon, 19 Jun 2006, Geert Uytterhoeven wrote:
>
> > > --- linux-2.6.17-rc6-1M/mm/Kconfig~64bit-resources-modify-kconfig-options 2006-06-18 13:35:13.000000000 -0400
> > > +++ linux-2.6.17-rc6-1M-vivek/mm/Kconfig 2006-06-18 13:35:13.000000000 -0400
> > > @@ -145,3 +145,12 @@ config MIGRATION
> > > while the virtual addresses are not changed. This is useful for
> > > example on NUMA systems to put pages nearer to the processors accessing
> > > the page.
> > > +
> > > +config RESOURCES_64BIT
> > > + bool "64 bit Memory and IO resources (EXPERIMENTAL)"
> > > + depends on (EXPERIMENTAL && !64BIT) || 64BIT
> > > + default y if 64BIT
> >
> > it defaults to y if 64BIT. Roman?
>
> This should do it:
>
> config RESOURCES_64BIT
> bool "64 bit Memory and IO resources (EXPERIMENTAL)" if !64BIT && EXPERIMENTAL
> default 64BIT
>

Wow. That works. Thanks. I am attaching the patch. Hope this one is final :-)

Greg, can you please pick the patch.

Thanks
Vivek



o Introuces CONFIG_RESOURCES_64BIT Kconfig option.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
---
linux-2.6.17-rc6-1M-vivek/arch/i386/Kconfig | 1 +
linux-2.6.17-rc6-1M-vivek/include/linux/types.h | 7 ++++++-
linux-2.6.17-rc6-1M-vivek/mm/Kconfig | 6 ++++++
3 files changed, 13 insertions(+), 1 deletion(-)
diff -puN include/linux/types.h~64bit-resources-modify-kconfig-options include/linux/types.h
--- linux-2.6.17-rc6-1M/include/linux/types.h~64bit-resources-modify-kconfig-options 2006-06-18 13:35:13.000000000 -0400
+++ linux-2.6.17-rc6-1M-vivek/include/linux/types.h 2006-06-18 13:35:13.000000000 -0400
@@ -179,7 +179,12 @@ typedef __u64 __bitwise __be64;
#ifdef __KERNEL__
typedef unsigned __bitwise__ gfp_t;

-typedef unsigned long resource_size_t;
+#ifdef CONFIG_RESOURCES_64BIT
+typedef u64 resource_size_t;
+#else
+typedef u32 resource_size_t;
+#endif
+
#endif

struct ustat {
diff -puN mm/Kconfig~64bit-resources-modify-kconfig-options mm/Kconfig
--- linux-2.6.17-rc6-1M/mm/Kconfig~64bit-resources-modify-kconfig-options 2006-06-18 13:35:13.000000000 -0400
+++ linux-2.6.17-rc6-1M-vivek/mm/Kconfig 2006-06-19 09:48:41.000000000 -0400
@@ -145,3 +145,9 @@ config MIGRATION
while the virtual addresses are not changed. This is useful for
example on NUMA systems to put pages nearer to the processors accessing
the page.
+
+config RESOURCES_64BIT
+ bool "64 bit Memory and IO resources (EXPERIMENTAL)" if (!64BIT && EXPERIMENTAL)
+ default 64BIT
+ help
+ This option allows memory and IO resources to be 64 bit.
diff -puN arch/i386/Kconfig~64bit-resources-modify-kconfig-options arch/i386/Kconfig
--- linux-2.6.17-rc6-1M/arch/i386/Kconfig~64bit-resources-modify-kconfig-options 2006-06-18 13:35:13.000000000 -0400
+++ linux-2.6.17-rc6-1M-vivek/arch/i386/Kconfig 2006-06-18 13:35:13.000000000 -0400
@@ -511,6 +511,7 @@ config X86_PAE
bool
depends on HIGHMEM64G
default y
+ select RESOURCES_64BIT

# Common NUMA Features
config NUMA
_
-
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