diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-02 17:46:27 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-27 00:06:14 +0400 |
| commit | de27c308223dc9bd48de9742c7c2b53a15c1b012 (patch) | |
| tree | d32acbc71110b1e727abd80620f95f14565b6031 /arch/arm/mm/copypage-v4mc.c | |
| parent | dcd6c92267155e70a94b3927bce681ce74b80d1f (diff) | |
| download | linux-de27c308223dc9bd48de9742c7c2b53a15c1b012.tar.xz | |
ARM: pgtable: move TOP_PTE address definitions to arch/arm/mm/mm.h
Move the TOP_PTE address definitions to one central place so that it's
easy to discover what they're being used for. This helps to ensure
that there are no overlaps.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/copypage-v4mc.c')
| -rw-r--r-- | arch/arm/mm/copypage-v4mc.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/arm/mm/copypage-v4mc.c b/arch/arm/mm/copypage-v4mc.c index 7d0a8c230342..87a23ca1fc61 100644 --- a/arch/arm/mm/copypage-v4mc.c +++ b/arch/arm/mm/copypage-v4mc.c @@ -23,10 +23,6 @@ #include "mm.h" -/* - * 0xffff8000 to 0xffffffff is reserved for any ARM architecture - * specific hacks for copying pages efficiently. - */ #define minicache_pgprot __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | \ L_PTE_MT_MINICACHE) @@ -78,10 +74,10 @@ void v4_mc_copy_user_highpage(struct page *to, struct page *from, raw_spin_lock(&minicache_lock); - set_pte_ext(TOP_PTE(0xffff8000), pfn_pte(page_to_pfn(from), minicache_pgprot), 0); - flush_tlb_kernel_page(0xffff8000); + set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(page_to_pfn(from), minicache_pgprot), 0); + flush_tlb_kernel_page(COPYPAGE_MINICACHE); - mc_copy_user_page((void *)0xffff8000, kto); + mc_copy_user_page((void *)COPYPAGE_MINICACHE, kto); raw_spin_unlock(&minicache_lock); |