diff options
Diffstat (limited to 'include/linux/pgtable.h')
| -rw-r--r-- | include/linux/pgtable.h | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index dc804296d78f..0b81e396816a 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -988,21 +988,6 @@ static inline void update_mmu_tlb(struct vm_area_struct *vma, update_mmu_tlb_range(vma, address, ptep, 1); } -/* - * Some architectures may be able to avoid expensive synchronization - * primitives when modifications are made to PTE's which are already - * not present, or in the process of an address space destruction. - */ -#ifndef __HAVE_ARCH_PTE_CLEAR_NOT_PRESENT_FULL -static inline void pte_clear_not_present_full(struct mm_struct *mm, - unsigned long address, - pte_t *ptep, - int full) -{ - pte_clear(mm, address, ptep); -} -#endif - #ifndef clear_not_present_full_ptes /** * clear_not_present_full_ptes - Clear multiple not present PTEs which are @@ -1014,7 +999,7 @@ static inline void pte_clear_not_present_full(struct mm_struct *mm, * @full: Whether we are clearing a full mm. * * May be overridden by the architecture; otherwise, implemented as a simple - * loop over pte_clear_not_present_full(). + * loop over pte_clear(). * * Context: The caller holds the page table lock. The PTEs are all not present. * The PTEs are all in the same PMD. @@ -1022,8 +1007,10 @@ static inline void pte_clear_not_present_full(struct mm_struct *mm, static inline void clear_not_present_full_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned int nr, int full) { + (void)addr; + for (;;) { - pte_clear_not_present_full(mm, addr, ptep, full); + pte_clear(mm, addr, ptep); if (--nr == 0) break; ptep++; |