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authorJeremy Fitzhardinge <jeremy@goop.org>2008-09-11 04:31:45 -0400
committerIngo Molnar <mingo@elte.hu>2008-09-14 11:24:25 -0400
commit600715dcdf567c86f8b2c6173fcfb4b873e25a19 (patch)
treec2f3ed1c928d3cc47af0573b56c8da2f1df880a0 /arch/powerpc/Kconfig
parent9dfed08eb4086584205717894177a9ee930c88c4 (diff)
generic: add phys_addr_t for holding physical addresses
Add a kernel-wide "phys_addr_t" which is guaranteed to be able to hold any physical address. By default it equals the word size of the architecture, but a 32-bit architecture can set ARCH_PHYS_ADDR_T_64BIT if it needs a 64-bit phys_addr_t. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/Kconfig')
-rw-r--r--arch/powerpc/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 587da5e0990f..f5f83ee60411 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -22,6 +22,9 @@ config WORD_SIZE
22config PPC_MERGE 22config PPC_MERGE
23 def_bool y 23 def_bool y
24 24
25config ARCH_PHYS_ADDR_T_64BIT
26 def_bool PPC64 || PHYS_64BIT
27
25config MMU 28config MMU
26 bool 29 bool
27 default y 30 default y