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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 /include | |
| 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 'include')
| -rw-r--r-- | include/asm-x86/page_32.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/page_64.h | 1 | ||||
| -rw-r--r-- | include/linux/types.h | 6 |
3 files changed, 6 insertions, 3 deletions
diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h index ab85287..d0e5860 100644 --- a/include/asm-x86/page_32.h +++ b/include/asm-x86/page_32.h @@ -33,7 +33,6 @@ typedef u64 pmdval_t; typedef u64 pudval_t; typedef u64 pgdval_t; typedef u64 pgprotval_t; -typedef u64 phys_addr_t; typedef union { struct { @@ -54,7 +53,6 @@ typedef unsigned long pmdval_t; typedef unsigned long pudval_t; typedef unsigned long pgdval_t; typedef unsigned long pgprotval_t; -typedef unsigned long phys_addr_t; typedef union { pteval_t pte; diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h index c6916c8..2456fbf 100644 --- a/include/asm-x86/page_64.h +++ b/include/asm-x86/page_64.h @@ -79,7 +79,6 @@ typedef unsigned long pmdval_t; typedef unsigned long pudval_t; typedef unsigned long pgdval_t; typedef unsigned long pgprotval_t; -typedef unsigned long phys_addr_t; typedef struct page *pgtable_t; diff --git a/include/linux/types.h b/include/linux/types.h index d4a9ce6..022c668 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -197,6 +197,12 @@ typedef u64 resource_size_t; typedef u32 resource_size_t; #endif +#ifdef CONFIG_PHYS_ADDR_T_64BIT +typedef u64 phys_addr_t; +#else +typedef u32 phys_addr_t; +#endif + struct ustat { __kernel_daddr_t f_tfree; __kernel_ino_t f_tinode; |
