x86: local.h fix checkpatch warnings
[linux-2.6/openmoko-kernel/knife-kernel.git] / include / asm-powerpc / tlb.h
blobe20ff7541f364812bbe8259e73170ae603ea8abb
1 /*
2 * TLB shootdown specifics for powerpc
4 * Copyright (C) 2002 Anton Blanchard, IBM Corp.
5 * Copyright (C) 2002 Paul Mackerras, IBM Corp.
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
12 #ifndef _ASM_POWERPC_TLB_H
13 #define _ASM_POWERPC_TLB_H
14 #ifdef __KERNEL__
16 #ifndef __powerpc64__
17 #include <asm/pgtable.h>
18 #endif
19 #include <asm/pgalloc.h>
20 #include <asm/tlbflush.h>
21 #ifndef __powerpc64__
22 #include <asm/page.h>
23 #include <asm/mmu.h>
24 #endif
26 #include <linux/pagemap.h>
28 struct mmu_gather;
30 #define tlb_start_vma(tlb, vma) do { } while (0)
31 #define tlb_end_vma(tlb, vma) do { } while (0)
33 #if !defined(CONFIG_PPC_STD_MMU)
35 #define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
37 #elif defined(__powerpc64__)
39 extern void pte_free_finish(void);
41 static inline void tlb_flush(struct mmu_gather *tlb)
43 struct ppc64_tlb_batch *tlbbatch = &__get_cpu_var(ppc64_tlb_batch);
45 /* If there's a TLB batch pending, then we must flush it because the
46 * pages are going to be freed and we really don't want to have a CPU
47 * access a freed page because it has a stale TLB
49 if (tlbbatch->index)
50 __flush_tlb_pending(tlbbatch);
52 pte_free_finish();
55 #else
57 extern void tlb_flush(struct mmu_gather *tlb);
59 #endif
61 /* Get the generic bits... */
62 #include <asm-generic/tlb.h>
64 #if !defined(CONFIG_PPC_STD_MMU) || defined(__powerpc64__)
66 #define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0)
68 #else
69 extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep,
70 unsigned long address);
72 static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
73 unsigned long address)
75 if (pte_val(*ptep) & _PAGE_HASHPTE)
76 flush_hash_entry(tlb->mm, ptep, address);
79 #endif
80 #endif /* __KERNEL__ */
81 #endif /* __ASM_POWERPC_TLB_H */