aboutsummaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
authorJeremy Fitzhardinge <jeremy@goop.org>2008-03-17 19:36:57 -0400
committerIngo Molnar <mingo@elte.hu>2008-04-24 17:57:30 -0400
commit397f687ab7f840dbe50353c4b60108672b653d0c (patch)
tree4b33f2c8e999029a2360bf2dd35cb5f72a8f7041 /include
parent1d262d3a4932b5ae7222c8d9900696650ee95188 (diff)
x86: move pte functions into common asm/pgalloc.h
Common definitions for 2-level pagetable functions. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
-rw-r--r--include/asm-x86/pgalloc.h16
-rw-r--r--include/asm-x86/pgalloc_32.h18
-rw-r--r--include/asm-x86/pgalloc_64.h16
3 files changed, 16 insertions, 34 deletions
diff --git a/include/asm-x86/pgalloc.h b/include/asm-x86/pgalloc.h
index 28773594f741..0d15e21eefec 100644
--- a/include/asm-x86/pgalloc.h
+++ b/include/asm-x86/pgalloc.h
@@ -24,6 +24,22 @@ extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
24extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long); 24extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long);
25extern pgtable_t pte_alloc_one(struct mm_struct *, unsigned long); 25extern pgtable_t pte_alloc_one(struct mm_struct *, unsigned long);
26 26
27/* Should really implement gc for free page table pages. This could be
28 done with a reference count in struct page. */
29
30static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
31{
32 BUG_ON((unsigned long)pte & (PAGE_SIZE-1));
33 free_page((unsigned long)pte);
34}
35
36static inline void pte_free(struct mm_struct *mm, struct page *pte)
37{
38 __free_page(pte);
39}
40
41extern void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte);
42
27#ifdef CONFIG_X86_32 43#ifdef CONFIG_X86_32
28# include "pgalloc_32.h" 44# include "pgalloc_32.h"
29#else 45#else
diff --git a/include/asm-x86/pgalloc_32.h b/include/asm-x86/pgalloc_32.h
index c4e7faa89616..96a09f566155 100644
--- a/include/asm-x86/pgalloc_32.h
+++ b/include/asm-x86/pgalloc_32.h
@@ -17,24 +17,6 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *p
17} 17}
18#define pmd_pgtable(pmd) pmd_page(pmd) 18#define pmd_pgtable(pmd) pmd_page(pmd)
19 19
20/*
21 * Allocate and free page tables.
22 */
23
24static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
25{
26 free_page((unsigned long)pte);
27}
28
29static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
30{
31 pgtable_page_dtor(pte);
32 __free_page(pte);
33}
34
35
36extern void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte);
37
38#ifdef CONFIG_X86_PAE 20#ifdef CONFIG_X86_PAE
39/* 21/*
40 * In the PAE case we free the pmds as part of the pgd. 22 * In the PAE case we free the pmds as part of the pgd.
diff --git a/include/asm-x86/pgalloc_64.h b/include/asm-x86/pgalloc_64.h
index 23f87501ac26..fc3414d3ed04 100644
--- a/include/asm-x86/pgalloc_64.h
+++ b/include/asm-x86/pgalloc_64.h
@@ -47,22 +47,6 @@ static inline void pud_free(struct mm_struct *mm, pud_t *pud)
47 free_page((unsigned long)pud); 47 free_page((unsigned long)pud);
48} 48}
49 49
50/* Should really implement gc for free page table pages. This could be
51 done with a reference count in struct page. */
52
53static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
54{
55 BUG_ON((unsigned long)pte & (PAGE_SIZE-1));
56 free_page((unsigned long)pte);
57}
58
59static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
60{
61 pgtable_page_dtor(pte);
62 __free_page(pte);
63}
64
65extern void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte);
66extern void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd); 50extern void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd);
67extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud); 51extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud);
68 52