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ARM: pgtable: use mk_pte rather than pfn_pte(page_to_pfn())

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mk_pte is provided to do this translation for us, so use it rather
than open-coding it in the copypage code.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2011-07-02 14:56:42 +01:00
parent de27c30822
commit 6e78df1761
3 changed files with 5 additions and 5 deletions
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2
arch/arm/mm/copypage-v4mc.c
View file

@ -74,7 +74,7 @@ void v4_mc_copy_user_highpage(struct page *to, struct page *from,
raw_spin_lock(&minicache_lock);
set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(page_to_pfn(from), minicache_pgprot), 0);
set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), mk_pte(from, minicache_pgprot), 0);
flush_tlb_kernel_page(COPYPAGE_MINICACHE);
mc_copy_user_page((void *)COPYPAGE_MINICACHE, kto);

6
arch/arm/mm/copypage-v6.c
View file

@ -90,8 +90,8 @@ static void v6_copy_user_highpage_aliasing(struct page *to,
kfrom = COPYPAGE_V6_FROM + (offset << PAGE_SHIFT);
kto = COPYPAGE_V6_TO + (offset << PAGE_SHIFT);
set_pte_ext(TOP_PTE(kfrom), pfn_pte(page_to_pfn(from), PAGE_KERNEL), 0);
set_pte_ext(TOP_PTE(kto), pfn_pte(page_to_pfn(to), PAGE_KERNEL), 0);
set_pte_ext(TOP_PTE(kfrom), mk_pte(from, PAGE_KERNEL), 0);
set_pte_ext(TOP_PTE(kto), mk_pte(to, PAGE_KERNEL), 0);
flush_tlb_kernel_page(kfrom);
flush_tlb_kernel_page(kto);
@ -119,7 +119,7 @@ static void v6_clear_user_highpage_aliasing(struct page *page, unsigned long vad
*/
raw_spin_lock(&v6_lock);
set_pte_ext(TOP_PTE(to), pfn_pte(page_to_pfn(page), PAGE_KERNEL), 0);
set_pte_ext(TOP_PTE(to), mk_pte(page, PAGE_KERNEL), 0);
flush_tlb_kernel_page(to);
clear_page((void *)to);

2
arch/arm/mm/copypage-xscale.c
View file

@ -94,7 +94,7 @@ void xscale_mc_copy_user_highpage(struct page *to, struct page *from,
raw_spin_lock(&minicache_lock);
set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(page_to_pfn(from), minicache_pgprot), 0);
set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), mk_pte(from, minicache_pgprot), 0);
flush_tlb_kernel_page(COPYPAGE_MINICACHE);
mc_copy_user_page((void *)COPYPAGE_MINICACHE, kto);