Hi Andrew,

On Thu, Sep 13, 2012 at 08:05:14PM +0100, Andrew Morton wrote:

On Tue, 11 Sep 2012 17:47:16 +0100
Will Deacon [off-list ref] wrote:

quoted

diff --git a/mm/Kconfig b/mm/Kconfig
index d5c8019..3322342 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig

@@ -318,7 +318,7 @@ config NOMMU_INITIAL_TRIM_EXCESS
 
 config TRANSPARENT_HUGEPAGE
 	bool "Transparent Hugepage Support"
-	depends on X86 && MMU
+	depends on HAVE_ARCH_TRANSPARENT_HUGEPAGE
 	select COMPACTION
 	help
 	  Transparent Hugepages allows the kernel to use huge pages and

We need to talk with Gerald concerning
http://ozlabs.org/~akpm/mmotm/broken-out/thp-x86-introduce-have_arch_transparent_hugepage.patch


I did this.  Please check.

[...]

We missed Gerald's patch for s390 and, having picked it into our tree, it
acts as a drop-in replacement for what we came up with. So I think you
can just drop our patch ("mm: Introduce HAVE_ARCH_TRANSPARENT_HUGEPAGE")
altogether.

Cheers,

Will

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