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| author | David S. Miller <davem@davemloft.net> | 2009-03-01 21:35:16 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-01 21:35:16 -0800 |
| commit | aa4abc9bcce0d2a7ec189e897f8f8c58ca04643b (patch) | |
| tree | 22ef88d84a2e06380bb6a853c3ba28657e4e5f92 /arch/x86/mm/iomap_32.c | |
| parent | 814c01dc7c533033b4e99981a2e24a6195bfb43c (diff) | |
| parent | 52c0326beaa3cb0049d0f1c51c6ad5d4a04e4430 (diff) | |
| download | linux-aa4abc9bcce0d2a7ec189e897f8f8c58ca04643b.tar.bz2 | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-tx.c
net/8021q/vlan_core.c
net/core/dev.c
Diffstat (limited to 'arch/x86/mm/iomap_32.c')
| -rw-r--r-- | arch/x86/mm/iomap_32.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c index ca53224fc56c..6c2b1af16926 100644 --- a/arch/x86/mm/iomap_32.c +++ b/arch/x86/mm/iomap_32.c @@ -20,6 +20,24 @@ #include <asm/pat.h> #include <linux/module.h> +#ifdef CONFIG_X86_PAE +int +is_io_mapping_possible(resource_size_t base, unsigned long size) +{ + return 1; +} +#else +int +is_io_mapping_possible(resource_size_t base, unsigned long size) +{ + /* There is no way to map greater than 1 << 32 address without PAE */ + if (base + size > 0x100000000ULL) + return 0; + + return 1; +} +#endif + /* Map 'pfn' using fixed map 'type' and protections 'prot' */ void * |