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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/linux/types.h | |
| parent | Merge commit 'v2.6.27-rc6' into core/resources (diff) | |
| download | linux-dev-600715dcdf567c86f8b2c6173fcfb4b873e25a19.tar.xz linux-dev-600715dcdf567c86f8b2c6173fcfb4b873e25a19.zip | |
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/linux/types.h')
| -rw-r--r-- | include/linux/types.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/types.h b/include/linux/types.h index d4a9ce6e2760..022c668496da 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; |