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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-09-11 01:31:45 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-14 17:24:25 +0200 |
| commit | 600715dcdf567c86f8b2c6173fcfb4b873e25a19 (patch) | |
| tree | c2f3ed1c928d3cc47af0573b56c8da2f1df880a0 /arch/powerpc/Kconfig | |
| parent | 9dfed08eb4086584205717894177a9ee930c88c4 (diff) | |
| download | op-kernel-dev-600715dcdf567c86f8b2c6173fcfb4b873e25a19.zip op-kernel-dev-600715dcdf567c86f8b2c6173fcfb4b873e25a19.tar.gz | |
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/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 587da5e..f5f83ee 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 |
