[PATCH] Memory Add Fixes for ppc64

On Tue, Nov 08, 2005 at 08:12:56AM +1100, Benjamin Herrenschmidt wrote:
> Yes, the MAX_ORDER should be different indeed. But can Kconfig do that ?
> That is have the default value be different based on a Kconfig option ?
> I don't see that ... We may have to do things differently here...

This seems to be done in other parts of the Kconfig file.  Using those
as an example, this should keep the MAX_ORDER block size at 16MB.

Signed-off-by: Mike Kravetz <kravetz@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 3ac9195..1493c78 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -492,6 +492,7 @@ source "fs/Kconfig.binfmt"
 config FORCE_MAX_ZONEORDER
        int
        depends on PPC64
+       default "9" if PPC_64K_PAGES
        default "13"
 
 config MATH_EMULATION

diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index 94a8127..2955234 100644 (file)
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -56,6 +56,7 @@ config PPC_STD_MMU
 # max order + 1
 config FORCE_MAX_ZONEORDER
        int
+       default "9" if PPC_64K_PAGES
        default "13"
 
 source "init/Kconfig"