1 #ifndef _PPC64_TLBFLUSH_H
2 #define _PPC64_TLBFLUSH_H
7 * - flush_tlb_mm(mm) flushes the specified mm context TLB's
8 * - flush_tlb_page(vma, vmaddr) flushes one page
9 * - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB
10 * - flush_tlb_range(vma, start, end) flushes a range of pages
11 * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
12 * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
15 #include <linux/percpu.h>
18 #define PPC64_TLB_BATCH_NR 192
21 struct ppc64_tlb_batch {
23 unsigned long context;
25 pte_t pte[PPC64_TLB_BATCH_NR];
26 unsigned long addr[PPC64_TLB_BATCH_NR];
27 unsigned long vaddr[PPC64_TLB_BATCH_NR];
29 DECLARE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch);
31 extern void __flush_tlb_pending(struct ppc64_tlb_batch *batch);
33 static inline void flush_tlb_pending(void)
35 struct ppc64_tlb_batch *batch = &get_cpu_var(ppc64_tlb_batch);
38 __flush_tlb_pending(batch);
39 put_cpu_var(ppc64_tlb_batch);
42 #define flush_tlb_mm(mm) flush_tlb_pending()
43 #define flush_tlb_page(vma, addr) flush_tlb_pending()
44 #define flush_tlb_page_nohash(vma, addr) do { } while (0)
45 #define flush_tlb_range(vma, start, end) \
46 do { (void)(start); flush_tlb_pending(); } while (0)
47 #define flush_tlb_kernel_range(start, end) flush_tlb_pending()
48 #define flush_tlb_pgtables(mm, start, end) do { } while (0)
50 extern void flush_hash_page(unsigned long context, unsigned long ea, pte_t pte,
52 void flush_hash_range(unsigned long context, unsigned long number, int local);
54 #endif /* _PPC64_TLBFLUSH_H */