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authorMichal Marek <mmarek@suse.cz>2010-08-04 13:59:13 +0200
committerMichal Marek <mmarek@suse.cz>2010-08-04 13:59:13 +0200
commit772320e84588dcbe1600ffb83e5f328f2209ac2a (patch)
treea7de21b79340aeaa17c58126f6b801b82c77b53a /arch/powerpc/include/asm/kdump.h
parentmodpost: support objects with more than 64k sections (diff)
parentLinux 2.6.35 (diff)
downloadlinux-772320e84588dcbe1600ffb83e5f328f2209ac2a.tar.xz
linux-772320e84588dcbe1600ffb83e5f328f2209ac2a.zip
Merge commit 'v2.6.35' into kbuild/kbuild
Conflicts: arch/powerpc/Makefile
Diffstat (limited to 'arch/powerpc/include/asm/kdump.h')
-rw-r--r--arch/powerpc/include/asm/kdump.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/kdump.h b/arch/powerpc/include/asm/kdump.h
index 5ebfe5d3c61f..6857af58b02e 100644
--- a/arch/powerpc/include/asm/kdump.h
+++ b/arch/powerpc/include/asm/kdump.h
@@ -3,8 +3,17 @@
#include <asm/page.h>
-/* Kdump kernel runs at 32 MB, change at your peril. */
+/*
+ * If CONFIG_RELOCATABLE is enabled we can place the kdump kernel anywhere.
+ * To keep enough space in the RMO for the first stage kernel on 64bit, we
+ * place it at 64MB. If CONFIG_RELOCATABLE is not enabled we must place
+ * the second stage at 32MB.
+ */
+#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_PPC64)
+#define KDUMP_KERNELBASE 0x4000000
+#else
#define KDUMP_KERNELBASE 0x2000000
+#endif
/* How many bytes to reserve at zero for kdump. The reserve limit should
* be greater or equal to the trampoline's end address.