hugetlb.h File Reference

#include <asm/page.h>
#include <asm/pgtable.h>

Go to the source code of this file.

Macros
#define	is_hugepage_only_range(mm, addr, len)   0
#define	hugetlb_free_pgd_range   free_pgd_range
#define	hugetlb_prefault_arch_hook(mm)   do { } while (0)
#define	arch_clear_hugepage_flags(page)   do { } while (0)
#define	huge_ptep_set_access_flags(__vma, __addr, __ptep, __entry, __dirty)
#define	huge_ptep_set_wrprotect(__mm, __addr, __ptep)

Functions
void	set_huge_pte_at (struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte)
int	arch_prepare_hugepage (struct page *page)
void	arch_release_hugepage (struct page *page)

Macro Definition Documentation

#define arch_clear_hugepage_flags

(

page

)

do { } while (0)

Definition at line 36 of file hugetlb.h.

#define huge_ptep_set_access_flags	(		__vma,
			__addr,
			__ptep,
			__entry,
			__dirty
	)

Value:

({                                      \
    int __changed = !pte_same(huge_ptep_get(__ptep), __entry);      \
    if (__changed) {                            \
        huge_ptep_invalidate((__vma)->vm_mm, __addr, __ptep);       \
        set_huge_pte_at((__vma)->vm_mm, __addr, __ptep, __entry);   \
    }                                   \
    __changed;                              \
})

Definition at line 104 of file hugetlb.h.

#define huge_ptep_set_wrprotect	(		__mm,
			__addr,
			__ptep
	)

Value:

({                                  \
	pte_t __pte = huge_ptep_get(__ptep);               \
    if (pte_write(__pte)) {                     \
        huge_ptep_invalidate(__mm, __addr, __ptep);     \
        set_huge_pte_at(__mm, __addr, __ptep,           \
                huge_pte_wrprotect(__pte));     \
    }                               \
})

Definition at line 114 of file hugetlb.h.

#define hugetlb_free_pgd_range   free_pgd_range

Definition at line 16 of file hugetlb.h.

#define hugetlb_prefault_arch_hook

(

mm

)

do { } while (0)

Definition at line 35 of file hugetlb.h.

#define is_hugepage_only_range	(		mm,
			addr,
			len
	)		0

Definition at line 15 of file hugetlb.h.

Function Documentation

int arch_prepare_hugepage

(

struct page *

page

)

Definition at line 28 of file hugetlbpage.c.

void arch_release_hugepage

(

struct page *

page

)

Definition at line 51 of file hugetlbpage.c.

void set_huge_pte_at	(	struct mm_struct *	mm,
		unsigned long	addr,
		pte_t *	ptep,
		pte_t	pte
	)

Definition at line 12 of file hugetlbpage.c.