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x86: unify pud_none

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Impact: cleanup

Unify and demacro pud_none.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2009-02-05 11:31:13 -08:00
parent cc290ca38c
commit deb79cfb36
3 changed files with 5 additions and 6 deletions
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5
arch/x86/include/asm/pgtable-3level.h
View file

@ -18,11 +18,6 @@
printk("%s:%d: bad pgd %p(%016Lx).\n", \
__FILE__, __LINE__, &(e), pgd_val(e))
static inline int pud_none(pud_t pud)
{
return pud_val(pud) == 0;
}
/* Rules for using set_pte: the pte being assigned *must* be
* either not present or in a state where the hardware will
* not attempt to update the pte. In places where this is

5
arch/x86/include/asm/pgtable.h
View file

@ -525,6 +525,11 @@ static inline unsigned long pages_to_mb(unsigned long npg)
}
#if PAGETABLE_LEVELS > 2
static inline int pud_none(pud_t pud)
{
return pud_val(pud) == 0;
}
static inline int pud_present(pud_t pud)
{
return pud_val(pud) & _PAGE_PRESENT;

1
arch/x86/include/asm/pgtable_64.h
View file

@ -68,7 +68,6 @@ extern void paging_init(void);
__FILE__, __LINE__, &(e), pgd_val(e))
#define pgd_none(x) (!pgd_val(x))
#define pud_none(x) (!pud_val(x))
struct mm_struct;