diff options
author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-03-18 02:36:57 +0300 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-04-25 01:57:30 +0400 |
commit | 397f687ab7f840dbe50353c4b60108672b653d0c (patch) | |
tree | 4b33f2c8e999029a2360bf2dd35cb5f72a8f7041 | |
parent | 1d262d3a4932b5ae7222c8d9900696650ee95188 (diff) | |
download | linux-397f687ab7f840dbe50353c4b60108672b653d0c.tar.xz |
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>
-rw-r--r-- | arch/x86/mm/init_64.c | 6 | ||||
-rw-r--r-- | arch/x86/mm/pgtable.c | 7 | ||||
-rw-r--r-- | arch/x86/mm/pgtable_32.c | 7 | ||||
-rw-r--r-- | include/asm-x86/pgalloc.h | 16 | ||||
-rw-r--r-- | include/asm-x86/pgalloc_32.h | 18 | ||||
-rw-r--r-- | include/asm-x86/pgalloc_64.h | 16 |
6 files changed, 23 insertions, 47 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 2d89b7abbc54..9c09893e54fb 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -662,12 +662,6 @@ int memory_add_physaddr_to_nid(u64 start) EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid); #endif -void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte) -{ - pgtable_page_dtor(pte); - tlb_remove_page(tlb, pte); -} - void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd) { tlb_remove_page(tlb, virt_to_page(pmd)); diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index ed16b7704a3c..83765328e265 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -21,6 +21,13 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) return pte; } +void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte) +{ + pgtable_page_dtor(pte); + paravirt_release_pt(page_to_pfn(pte)); + tlb_remove_page(tlb, pte); +} + #ifdef CONFIG_X86_64 static inline void pgd_list_add(pgd_t *pgd) { diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c index b46893e45d02..b9e3dac32391 100644 --- a/arch/x86/mm/pgtable_32.c +++ b/arch/x86/mm/pgtable_32.c @@ -173,13 +173,6 @@ void reserve_top_address(unsigned long reserve) __VMALLOC_RESERVE += reserve; } -void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte) -{ - pgtable_page_dtor(pte); - paravirt_release_pt(page_to_pfn(pte)); - tlb_remove_page(tlb, pte); -} - #ifdef CONFIG_X86_PAE void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd) 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); extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long); extern pgtable_t pte_alloc_one(struct mm_struct *, unsigned long); +/* Should really implement gc for free page table pages. This could be + done with a reference count in struct page. */ + +static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) +{ + BUG_ON((unsigned long)pte & (PAGE_SIZE-1)); + free_page((unsigned long)pte); +} + +static inline void pte_free(struct mm_struct *mm, struct page *pte) +{ + __free_page(pte); +} + +extern void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte); + #ifdef CONFIG_X86_32 # include "pgalloc_32.h" #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 } #define pmd_pgtable(pmd) pmd_page(pmd) -/* - * Allocate and free page tables. - */ - -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) -{ - free_page((unsigned long)pte); -} - -static inline void pte_free(struct mm_struct *mm, pgtable_t pte) -{ - pgtable_page_dtor(pte); - __free_page(pte); -} - - -extern void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte); - #ifdef CONFIG_X86_PAE /* * 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) free_page((unsigned long)pud); } -/* Should really implement gc for free page table pages. This could be - done with a reference count in struct page. */ - -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) -{ - BUG_ON((unsigned long)pte & (PAGE_SIZE-1)); - free_page((unsigned long)pte); -} - -static inline void pte_free(struct mm_struct *mm, pgtable_t pte) -{ - pgtable_page_dtor(pte); - __free_page(pte); -} - -extern void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte); extern void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd); extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud); |