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Commit 7cfb8102 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge
Browse files

x86: unify pud_index 



Impact: cleanup

Unify and demacro pud_index.

Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
parent 777cba16

arch/x86/include/asm/pgtable.h

+6 −0
Original line number Diff line number Diff line
@@ -500,6 +500,12 @@ static inline struct page *pgd_page(pgd_t pgd) 
{

	return pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT);

}



/* to find an entry in a page-table-directory. */

static inline unsigned pud_index(unsigned long address)

{

	return (address >> PUD_SHIFT) & (PTRS_PER_PUD - 1);

}

#endif	/* PAGETABLE_LEVELS > 3 */



#endif	/* __ASSEMBLY__ */

arch/x86/include/asm/pgtable_64.h

+0 −2
Original line number Diff line number Diff line
@@ -183,8 +183,6 @@ static inline int pgd_large(pgd_t pgd) { return 0; } 
#define mk_kernel_pgd(address) __pgd((address) | _KERNPG_TABLE)



/* PUD - Level3 access */

/* to find an entry in a page-table-directory. */

#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1))

#define pud_offset(pgd, address)					\

	((pud_t *)pgd_page_vaddr(*(pgd)) + pud_index((address)))