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x86: convert pgalloc_64.h from macros to inlines
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Convert asm-x86/pgalloc_64.h from macros into functions (#include hell
prevents __*_free_tlb from being inline, but they're probably a bit
big to inline anyway).

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>
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Jeremy Fitzhardinge authored and Ingo Molnar committed Apr 24, 2008
1 parent 94bc891 commit 79bf6d6
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Showing 2 changed files with 34 additions and 15 deletions.
16 changes: 16 additions & 0 deletions arch/x86/mm/init_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -662,6 +662,22 @@ 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));
}

void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud)
{
tlb_remove_page(tlb, virt_to_page(pud));
}

#endif /* CONFIG_MEMORY_HOTPLUG */

static struct kcore_list kcore_mem, kcore_vmalloc, kcore_kernel,
Expand Down
33 changes: 18 additions & 15 deletions include/asm-x86/pgalloc_64.h
Original file line number Diff line number Diff line change
@@ -1,16 +1,24 @@
#ifndef _X86_64_PGALLOC_H
#define _X86_64_PGALLOC_H

#include <asm/pda.h>
#include <linux/threads.h>
#include <linux/mm.h>
#include <asm/pda.h>

#define pmd_populate_kernel(mm, pmd, pte) \
set_pmd(pmd, __pmd(_PAGE_TABLE | __pa(pte)))
#define pud_populate(mm, pud, pmd) \
set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd)))
#define pgd_populate(mm, pgd, pud) \
set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud)))
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
{
set_pmd(pmd, __pmd(_PAGE_TABLE | __pa(pte)));
}

static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
{
set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd)));
}

static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
{
set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud)));
}

#define pmd_pgtable(pmd) pmd_page(pmd)

Expand Down Expand Up @@ -121,13 +129,8 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
__free_page(pte);
}

#define __pte_free_tlb(tlb,pte) \
do { \
pgtable_page_dtor((pte)); \
tlb_remove_page((tlb), (pte)); \
} while (0)

#define __pmd_free_tlb(tlb,x) tlb_remove_page((tlb),virt_to_page(x))
#define __pud_free_tlb(tlb,x) tlb_remove_page((tlb),virt_to_page(x))
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);

#endif /* _X86_64_PGALLOC_H */

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