Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.git] / arch / powerpc / include / asm / pgalloc.h
1 #ifndef _ASM_POWERPC_PGALLOC_H
2 #define _ASM_POWERPC_PGALLOC_H
3 #ifdef __KERNEL__
4
5 #include <linux/mm.h>
6
7 #ifdef CONFIG_PPC_BOOK3E
8 extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address);
9 #else /* CONFIG_PPC_BOOK3E */
10 static inline void tlb_flush_pgtable(struct mmu_gather *tlb,
11                                      unsigned long address)
12 {
13 }
14 #endif /* !CONFIG_PPC_BOOK3E */
15
16 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
17 {
18         free_page((unsigned long)pte);
19 }
20
21 static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
22 {
23         pgtable_page_dtor(ptepage);
24         __free_page(ptepage);
25 }
26
27 #ifdef CONFIG_PPC64
28 #include <asm/pgalloc-64.h>
29 #else
30 #include <asm/pgalloc-32.h>
31 #endif
32
33 #ifdef CONFIG_SMP
34 extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift);
35 extern void pte_free_finish(void);
36 #else /* CONFIG_SMP */
37 static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift)
38 {
39         pgtable_free(table, shift);
40 }
41 static inline void pte_free_finish(void) { }
42 #endif /* !CONFIG_SMP */
43
44 static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage,
45                                   unsigned long address)
46 {
47         tlb_flush_pgtable(tlb, address);
48         pgtable_page_dtor(ptepage);
49         pgtable_free_tlb(tlb, page_address(ptepage), 0);
50 }
51
52 #endif /* __KERNEL__ */
53 #endif /* _ASM_POWERPC_PGALLOC_H */