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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-12-13 14:34:43 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-12-13 14:34:43 +0000 |
| commit | ad1ae2fe7fe68414ef29eab3c87b48841f8b72f2 (patch) | |
| tree | f23fc22424f874c1295318904b273c08d00654ab /arch/arm/mm/copypage-v6.c | |
| parent | f06b97ffd1ed7a96d5022d52f795fba8483afb75 (diff) | |
| download | lwn-ad1ae2fe7fe68414ef29eab3c87b48841f8b72f2.tar.gz lwn-ad1ae2fe7fe68414ef29eab3c87b48841f8b72f2.zip | |
[ARM] Unuse another Linux PTE bit
L_PTE_ASID is not really required to be stored in every PTE, since we
can identify it via the address passed to set_pte_at(). So, create
set_pte_ext() which takes the address of the PTE to set, the Linux
PTE value, and the additional CPU PTE bits which aren't encoded in
the Linux PTE value.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/copypage-v6.c')
| -rw-r--r-- | arch/arm/mm/copypage-v6.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c index 3d0d3a963d20..865777dec161 100644 --- a/arch/arm/mm/copypage-v6.c +++ b/arch/arm/mm/copypage-v6.c @@ -70,8 +70,8 @@ static void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned lo */ spin_lock(&v6_lock); - set_pte(TOP_PTE(from_address) + offset, pfn_pte(__pa(kfrom) >> PAGE_SHIFT, PAGE_KERNEL)); - set_pte(TOP_PTE(to_address) + offset, pfn_pte(__pa(kto) >> PAGE_SHIFT, PAGE_KERNEL)); + set_pte_ext(TOP_PTE(from_address) + offset, pfn_pte(__pa(kfrom) >> PAGE_SHIFT, PAGE_KERNEL), 0); + set_pte_ext(TOP_PTE(to_address) + offset, pfn_pte(__pa(kto) >> PAGE_SHIFT, PAGE_KERNEL), 0); from = from_address + (offset << PAGE_SHIFT); to = to_address + (offset << PAGE_SHIFT); @@ -110,7 +110,7 @@ static void v6_clear_user_page_aliasing(void *kaddr, unsigned long vaddr) */ spin_lock(&v6_lock); - set_pte(TOP_PTE(to_address) + offset, pfn_pte(__pa(kaddr) >> PAGE_SHIFT, PAGE_KERNEL)); + set_pte_ext(TOP_PTE(to_address) + offset, pfn_pte(__pa(kaddr) >> PAGE_SHIFT, PAGE_KERNEL), 0); flush_tlb_kernel_page(to); clear_page((void *)to); |