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authorIngo Molnar <mingo@elte.hu>2008-10-19 19:04:47 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-19 19:04:47 +0200
commit3e10e879a8c334a5927d800a3663a24d562cfa31 (patch)
tree5d18bc7e38c986a044e99aa0d0a4aff4931ec7d0 /arch/powerpc/Kconfig
parent98d9c66ab07471006fd7910cb16453581c41a3e7 (diff)
parent0cfd81031a26717fe14380d18275f8e217571615 (diff)
Merge branch 'linus' into tracing-v28-for-linus-v3
Conflicts: init/main.c kernel/module.c scripts/bootgraph.pl
Diffstat (limited to 'arch/powerpc/Kconfig')
-rw-r--r--arch/powerpc/Kconfig19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 587da5e0990..380baa1780e 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -22,6 +22,9 @@ config WORD_SIZE
config PPC_MERGE
def_bool y
+config ARCH_PHYS_ADDR_T_64BIT
+ def_bool PPC64 || PHYS_64BIT
+
config MMU
bool
default y
@@ -415,8 +418,11 @@ config PPC_64K_PAGES
config FORCE_MAX_ZONEORDER
int "Maximum zone order"
+ range 9 64 if PPC_64K_PAGES
default "9" if PPC_64K_PAGES
+ range 13 64 if PPC64 && !PPC_64K_PAGES
default "13" if PPC64 && !PPC_64K_PAGES
+ range 11 64
default "11"
help
The kernel memory allocator divides physically contiguous memory
@@ -806,6 +812,19 @@ config PIN_TLB
endmenu
if PPC64
+config RELOCATABLE
+ bool "Build a relocatable kernel"
+ help
+ This builds a kernel image that is capable of running anywhere
+ in the RMA (real memory area) at any 16k-aligned base address.
+ The kernel is linked as a position-independent executable (PIE)
+ and contains dynamic relocations which are processed early
+ in the bootup process.
+
+ One use is for the kexec on panic case where the recovery kernel
+ must live at a different physical address than the primary
+ kernel.
+
config PAGE_OFFSET
hex
default "0xc000000000000000"