tlb.h File Reference

#include <linux/pagemap.h>
#include <linux/swap.h>
#include <asm/percpu.h>
#include <asm/pgalloc.h>
#include <asm/tlbflush.h>

Go to the source code of this file.

Data Structures
struct	mmu_gather

Macros
#define	tlb_start_vma(tlb, vma)   do { } while (0)
#define	tlb_end_vma(tlb, vma)   do { } while (0)
#define	tlb_flush(tlb)   flush_tlb_mm((tlb)->mm)
#define	tlb_remove_tlb_entry(tlb, ptep, address)
#define	pte_free_tlb(tlb, ptep, addr)   __pte_free_tlb(tlb, ptep, addr)
#define	pud_free_tlb(tlb, pudp, addr)   __pud_free_tlb(tlb, pudp, addr)
#define	pmd_free_tlb(tlb, pmdp, addr)   __pmd_free_tlb(tlb, pmdp, addr)
#define	tlb_migrate_finish(mm)   do {} while (0)

Functions
void	flush_tlb_mm_range (struct mm_struct *mm, unsigned long start, unsigned long end)

Macro Definition Documentation

#define pmd_free_tlb	(		tlb,
			pmdp,
			addr
	)		__pmd_free_tlb(tlb, pmdp, addr)

Definition at line 116 of file tlb.h.

#define pte_free_tlb	(		tlb,
			ptep,
			addr
	)		__pte_free_tlb(tlb, ptep, addr)

Definition at line 112 of file tlb.h.

#define pud_free_tlb	(		tlb,
			pudp,
			addr
	)		__pud_free_tlb(tlb, pudp, addr)

Definition at line 114 of file tlb.h.

#define tlb_end_vma	(		tlb,
			vma
	)		do { } while (0)

Definition at line 11 of file tlb.h.

#define tlb_flush

(

tlb

)

flush_tlb_mm((tlb)->mm)

Definition at line 12 of file tlb.h.

#define tlb_migrate_finish

(

mm

)

do {} while (0)

Definition at line 118 of file tlb.h.

#define tlb_remove_tlb_entry	(		tlb,
			ptep,
			address
	)

Value:

do {                            \
        tlb->need_flush = 1;                \
        __tlb_remove_tlb_entry(tlb, ptep, address); \
    } while (0)

tlb_remove_tlb_entry - remember a pte unmapping for later tlb invalidation.

Record the fact that pte's were really umapped in ->need_flush, so we can later optimise away the tlb invalidate. This helps when userspace is unmapping already-unmapped pages, which happens quite a lot.

Definition at line 106 of file tlb.h.

#define tlb_start_vma	(		tlb,
			vma
	)		do { } while (0)

Definition at line 10 of file tlb.h.

Function Documentation

void flush_tlb_mm_range	(	struct mm_struct *	mm,
		unsigned long	start,
		unsigned long	end
	)

Definition at line 505 of file tlb.c.