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gerrit-public.fairphone.software / kernel / msm-4.9 / b00dc8376465ee5f8dd49b95924e31b4c2404ab0 / . / include / asm-sparc / pgalloc.h
blob: 6292cd00e5affdd8f913ddbfc1dbf290795384ac [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/* $Id: pgalloc.h,v 1.16 2001/12/21 04:56:17 davem Exp $ */
2#ifndef _SPARC_PGALLOC_H
3#define _SPARC_PGALLOC_H
4
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]5#include <linux/kernel.h>
6#include <linux/sched.h>
7
8#include <asm/page.h>
9#include <asm/btfixup.h>
10
11struct page;
12
13extern struct pgtable_cache_struct {
14 unsigned long *pgd_cache;
15 unsigned long *pte_cache;
16 unsigned long pgtable_cache_sz;
17 unsigned long pgd_cache_sz;
18} pgt_quicklists;
19#define pgd_quicklist (pgt_quicklists.pgd_cache)
20#define pmd_quicklist ((unsigned long *)0)
21#define pte_quicklist (pgt_quicklists.pte_cache)
22#define pgtable_cache_size (pgt_quicklists.pgtable_cache_sz)
23#define pgd_cache_size (pgt_quicklists.pgd_cache_sz)
24
25extern void check_pgt_cache(void);
26BTFIXUPDEF_CALL(void, do_check_pgt_cache, int, int)
27#define do_check_pgt_cache(low,high) BTFIXUP_CALL(do_check_pgt_cache)(low,high)
28
29BTFIXUPDEF_CALL(pgd_t *, get_pgd_fast, void)
30#define get_pgd_fast() BTFIXUP_CALL(get_pgd_fast)()
31
32BTFIXUPDEF_CALL(void, free_pgd_fast, pgd_t *)
33#define free_pgd_fast(pgd) BTFIXUP_CALL(free_pgd_fast)(pgd)
34
Benjamin Herrenschmidt5e541972008-02-04 22:29:14 -0800[diff] [blame]35#define pgd_free(mm, pgd) free_pgd_fast(pgd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]36#define pgd_alloc(mm) get_pgd_fast()
37
38BTFIXUPDEF_CALL(void, pgd_set, pgd_t *, pmd_t *)
39#define pgd_set(pgdp,pmdp) BTFIXUP_CALL(pgd_set)(pgdp,pmdp)
40#define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD)
41
42BTFIXUPDEF_CALL(pmd_t *, pmd_alloc_one, struct mm_struct *, unsigned long)
43#define pmd_alloc_one(mm, address) BTFIXUP_CALL(pmd_alloc_one)(mm, address)
44
45BTFIXUPDEF_CALL(void, free_pmd_fast, pmd_t *)
46#define free_pmd_fast(pmd) BTFIXUP_CALL(free_pmd_fast)(pmd)
47
Benjamin Herrenschmidt5e541972008-02-04 22:29:14 -0800[diff] [blame]48#define pmd_free(mm, pmd) free_pmd_fast(pmd)
49#define __pmd_free_tlb(tlb, pmd) pmd_free((tlb)->mm, pmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]50
51BTFIXUPDEF_CALL(void, pmd_populate, pmd_t *, struct page *)
52#define pmd_populate(MM, PMD, PTE) BTFIXUP_CALL(pmd_populate)(PMD, PTE)
Martin Schwidefsky2f569af2008-02-08 04:22:04 -0800[diff] [blame]53#define pmd_pgtable(pmd) pmd_page(pmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]54BTFIXUPDEF_CALL(void, pmd_set, pmd_t *, pte_t *)
55#define pmd_populate_kernel(MM, PMD, PTE) BTFIXUP_CALL(pmd_set)(PMD, PTE)
56
Martin Schwidefsky2f569af2008-02-08 04:22:04 -0800[diff] [blame]57BTFIXUPDEF_CALL(pgtable_t , pte_alloc_one, struct mm_struct *, unsigned long)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]58#define pte_alloc_one(mm, address) BTFIXUP_CALL(pte_alloc_one)(mm, address)
59BTFIXUPDEF_CALL(pte_t *, pte_alloc_one_kernel, struct mm_struct *, unsigned long)
60#define pte_alloc_one_kernel(mm, addr) BTFIXUP_CALL(pte_alloc_one_kernel)(mm, addr)
61
62BTFIXUPDEF_CALL(void, free_pte_fast, pte_t *)
Benjamin Herrenschmidt5e541972008-02-04 22:29:14 -0800[diff] [blame]63#define pte_free_kernel(mm, pte) BTFIXUP_CALL(free_pte_fast)(pte)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]64
Martin Schwidefsky2f569af2008-02-08 04:22:04 -0800[diff] [blame]65BTFIXUPDEF_CALL(void, pte_free, pgtable_t )
Benjamin Herrenschmidt5e541972008-02-04 22:29:14 -0800[diff] [blame]66#define pte_free(mm, pte) BTFIXUP_CALL(pte_free)(pte)
67#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]68
69#endif /* _SPARC_PGALLOC_H */