diff options
Diffstat (limited to 'include/asm-arm26/tlb.h')
| -rw-r--r-- | include/asm-arm26/tlb.h | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/include/asm-arm26/tlb.h b/include/asm-arm26/tlb.h deleted file mode 100644 index 08ddd85..0000000 --- a/include/asm-arm26/tlb.h +++ /dev/null @@ -1,63 +0,0 @@ -#ifndef __ASMARM_TLB_H -#define __ASMARM_TLB_H - -#include <asm/pgalloc.h> -#include <asm/tlbflush.h> - -/* - * TLB handling. This allows us to remove pages from the page - * tables, and efficiently handle the TLB issues. - */ -struct mmu_gather { - struct mm_struct *mm; - unsigned int need_flush; - unsigned int fullmm; -}; - -DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); - -static inline struct mmu_gather * -tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) -{ - struct mmu_gather *tlb = &get_cpu_var(mmu_gathers); - - tlb->mm = mm; - tlb->need_flush = 0; - tlb->fullmm = full_mm_flush; - - return tlb; -} - -static inline void -tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) -{ - if (tlb->need_flush) - flush_tlb_mm(tlb->mm); - - /* keep the page table cache within bounds */ - check_pgt_cache(); - - put_cpu_var(mmu_gathers); -} - -#define tlb_remove_tlb_entry(tlb,ptep,address) do { } while (0) -//#define tlb_start_vma(tlb,vma) do { } while (0) -//FIXME - ARM32 uses this now that things changed in the kernel. seems like it may be pointless on arm26, however to get things compiling... -#define tlb_start_vma(tlb,vma) \ - do { \ - if (!tlb->fullmm) \ - flush_cache_range(vma, vma->vm_start, vma->vm_end); \ - } while (0) -#define tlb_end_vma(tlb,vma) do { } while (0) - -static inline void -tlb_remove_page(struct mmu_gather *tlb, struct page *page) -{ - tlb->need_flush = 1; - free_page_and_swap_cache(page); -} - -#define pte_free_tlb(tlb,ptep) pte_free(ptep) -#define pmd_free_tlb(tlb,pmdp) pmd_free(pmdp) - -#endif |