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| author | David S. Miller <davem@davemloft.net> | 2010-04-06 23:53:30 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-06 23:53:30 -0700 |
| commit | 4a35ecf8bf1c4b039503fa554100fe85c761de76 (patch) | |
| tree | 9b75f5d5636004d9a9aa496924377379be09aa1f /arch/blackfin/include/asm/mmu_context.h | |
| parent | b4d562e3c3553ac58c7120555c4e4aefbb090a2a (diff) | |
| parent | fb9e2d887243499b8d28efcf80821c4f6a092395 (diff) | |
| download | linux-4a35ecf8bf1c4b039503fa554100fe85c761de76.tar.gz linux-4a35ecf8bf1c4b039503fa554100fe85c761de76.tar.bz2 linux-4a35ecf8bf1c4b039503fa554100fe85c761de76.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/bonding/bond_main.c
drivers/net/via-velocity.c
drivers/net/wireless/iwlwifi/iwl-agn.c
Diffstat (limited to 'arch/blackfin/include/asm/mmu_context.h')
| -rw-r--r-- | arch/blackfin/include/asm/mmu_context.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/blackfin/include/asm/mmu_context.h b/arch/blackfin/include/asm/mmu_context.h index ae8ef4ffd806..7f363d7e43a5 100644 --- a/arch/blackfin/include/asm/mmu_context.h +++ b/arch/blackfin/include/asm/mmu_context.h @@ -13,6 +13,7 @@ #include <asm/page.h> #include <asm/pgalloc.h> #include <asm/cplbinit.h> +#include <asm/sections.h> /* Note: L1 stacks are CPU-private things, so we bluntly disable this feature in SMP mode, and use the per-CPU scratch SRAM bank only to @@ -117,9 +118,16 @@ static inline void protect_page(struct mm_struct *mm, unsigned long addr, unsigned long flags) { unsigned long *mask = mm->context.page_rwx_mask; - unsigned long page = addr >> 12; - unsigned long idx = page >> 5; - unsigned long bit = 1 << (page & 31); + unsigned long page; + unsigned long idx; + unsigned long bit; + + if (unlikely(addr >= ASYNC_BANK0_BASE && addr < ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE)) + page = (addr - (ASYNC_BANK0_BASE - _ramend)) >> 12; + else + page = addr >> 12; + idx = page >> 5; + bit = 1 << (page & 31); if (flags & VM_READ) mask[idx] |= bit; |