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ARM: pgtable: get rid of TOP_PTE() 

Get rid of the TOP_PTE() macro as we now have proper accessor functions
instead.  No one should be directly referencing the top pte table
anymore.

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 2011-07-04 11:25:53 +01:00
parent 0d31fe47b0
commit 60db4fcf14
1 changed files with 4 additions and 4 deletions
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8
arch/arm/mm/mm.h
View File

@ -3,8 +3,6 @@
/* the upper-most page table pointer */ /* the upper-most page table pointer */
extern pmd_t *top_pmd; extern pmd_t *top_pmd;
#define TOP_PTE(x) pte_offset_kernel(top_pmd, x)
/* /*
* 0xffff8000 to 0xffffffff is reserved for any ARM architecture * 0xffff8000 to 0xffffffff is reserved for any ARM architecture
* specific hacks for copying pages efficiently, while 0xffff4000 * specific hacks for copying pages efficiently, while 0xffff4000
@ -20,13 +18,15 @@ extern pmd_t *top_pmd;
static inline void set_top_pte(unsigned long va, pte_t pte) static inline void set_top_pte(unsigned long va, pte_t pte)
{ {
set_pte_ext(TOP_PTE(va), pte, 0); pte_t *ptep = pte_offset_kernel(top_pmd, va);
set_pte_ext(ptep, pte, 0);
local_flush_tlb_kernel_page(va); local_flush_tlb_kernel_page(va);
} }
static inline pte_t get_top_pte(unsigned long va) static inline pte_t get_top_pte(unsigned long va)
{ {
return *TOP_PTE(va); pte_t *ptep = pte_offset_kernel(top_pmd, va);
return *ptep;
} }
static inline pmd_t *pmd_off_k(unsigned long virt) static inline pmd_t *pmd_off_k(unsigned long virt)