On Thu, 2009-10-29 at 09:14 -0700, Linus Torvalds wrote:
>
> On Tue, 27 Oct 2009, Benjamin Herrenschmidt wrote:
> >
> > Kumar Gala (7):
> > powerpc: Add a Book-3E 64-bit defconfig
> > powerpc: Fix compile errors found by new ppc64e_defconfig
> > powerpc: Limit hugetlbfs support to PPC64 Book-3S machines
>
> This is incredibly ugly. Why should the generic fs/Kconfig know about some
> random odd architecture detail like PPC_BOOK3S_64?
>
> I merged it, and noticed this because Super-H caused clashes by cleaning
> up. I would suggest PowerPC do the same.
>
> This patch is not signed-off, nor do I want any credit. But if it works on
> ppc, please send me something like this back.
Pushed this to my merge branch:
(BTW. Where does this SYS_* form comes from ? We had ARCH_ now we have
SYS_ * ? Oic... it's a mips thing... oh well no big deal)
>From 5a1eb5c4453207ad9e7f6e8ca4f8db289743c993 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Date: Fri, 30 Oct 2009 15:03:54 +1100
Subject: [PATCH] powerpc: Cleanup Kconfig selection of hugetlbfs support
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
---
arch/powerpc/Kconfig | 4 ++++
fs/Kconfig | 2 +-
2 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 10a0a54..2ba14e7 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -414,6 +414,10 @@ config ARCH_SPARSEMEM_DEFAULT
config ARCH_POPULATES_NODE_MAP
def_bool y
+config SYS_SUPPORTS_HUGETLBFS
+ def_bool y
+ depends on PPC_BOOK3S_64
+
source "mm/Kconfig"
config ARCH_MEMORY_PROBE
diff --git a/fs/Kconfig b/fs/Kconfig
index 2126078..64d44ef 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -135,7 +135,7 @@ config TMPFS_POSIX_ACL
config HUGETLBFS
bool "HugeTLB file system support"
- depends on X86 || IA64 || PPC_BOOK3S_64 || SPARC64 || (S390 && 64BIT)
|| \
+ depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
SYS_SUPPORTS_HUGETLBFS || BROKEN
help
hugetlbfs is a filesystem backing for HugeTLB pages, based on
--
1.6.1.2.14.gf26b5
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