From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Tue, 13 Apr 2010 03:54:39 +0000 (+1000)
Subject: Revert "powerpc/mm: Bump SECTION_SIZE_BITS from 16MB to 256MB"
X-Git-Tag: v2.6.35-rc1~450^2~63
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=cb694769f0d0c1f6fb8c9dc806c0a68da1056055;p=karo-tx-linux.git

Revert "powerpc/mm: Bump SECTION_SIZE_BITS from 16MB to 256MB"

This reverts commit 7545ba6f82924d4523f8f8a2baf2e517a750265d.

It breaks eHEA among other issues
---

diff --git a/arch/powerpc/include/asm/sparsemem.h b/arch/powerpc/include/asm/sparsemem.h
index 13fe0a0e5806..54a47ea2c3aa 100644
--- a/arch/powerpc/include/asm/sparsemem.h
+++ b/arch/powerpc/include/asm/sparsemem.h
@@ -8,7 +8,7 @@
  * MAX_PHYSADDR_BITS		2^N: how much physical address space we have
  * MAX_PHYSMEM_BITS		2^N: how much memory we can have in that space
  */
-#define SECTION_SIZE_BITS       28
+#define SECTION_SIZE_BITS       24
 
 #define MAX_PHYSADDR_BITS       44
 #define MAX_PHYSMEM_BITS        44