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Diffstat (limited to 'include/asm-arm26/tlb.h')
-rw-r--r--include/asm-arm26/tlb.h78
1 files changed, 0 insertions, 78 deletions
diff --git a/include/asm-arm26/tlb.h b/include/asm-arm26/tlb.h
deleted file mode 100644
index 1316352a58f..00000000000
--- a/include/asm-arm26/tlb.h
+++ /dev/null
@@ -1,78 +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 freed;
- unsigned int fullmm;
-
- unsigned int flushes;
- unsigned int avoided_flushes;
-};
-
-extern struct mmu_gather mmu_gathers[NR_CPUS];
-
-static inline struct mmu_gather *
-tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush)
-{
- int cpu = smp_processor_id();
- struct mmu_gather *tlb = &mmu_gathers[cpu];
-
- tlb->mm = mm;
- tlb->freed = 0;
- tlb->fullmm = full_mm_flush;
-
- return tlb;
-}
-
-static inline void
-tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
-{
- struct mm_struct *mm = tlb->mm;
- unsigned long freed = tlb->freed;
- int rss = get_mm_counter(mm, rss);
-
- if (rss < freed)
- freed = rss;
- add_mm_counter(mm, rss, -freed);
-
- if (freed) {
- flush_tlb_mm(mm);
- tlb->flushes++;
- } else {
- tlb->avoided_flushes++;
- }
-
- /* keep the page table cache within bounds */
- check_pgt_cache();
-}
-
-
-static inline unsigned int
-tlb_is_full_mm(struct mmu_gather *tlb)
-{
- return tlb->fullmm;
-}
-
-#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)
-
-#define tlb_remove_page(tlb,page) 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