Commit 01319921 authored by Mike Rapoport's avatar Mike Rapoport Committed by Linus Torvalds
Browse files

ia64: switch to generic version of pte allocation 

The ia64 implementation pte_alloc_one(), pte_alloc_one_kernel(),
pte_free_kernel() and pte_free() is identical to the generic except of
lack of __GFP_ACCOUNT for the user PTEs allocation.

Switch ia64 to use generic version of these functions.

Link: http://lkml.kernel.org/r/1565250728-21721-3-git-send-email-rppt@linux.ibm.com


Signed-off-by: default avatarMike Rapoport <rppt@linux.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 13224794

arch/ia64/include/asm/pgalloc.h

+2 −30
Original line number Diff line number Diff line
@@ -20,6 +20,8 @@ 
#include <linux/page-flags.h>

#include <linux/threads.h>



#include <asm-generic/pgalloc.h>



#include <asm/mmu_context.h>



static inline pgd_t *pgd_alloc(struct mm_struct *mm)
@@ -82,36 +84,6 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte) 
	pmd_val(*pmd_entry) = __pa(pte);

}



static inline pgtable_t pte_alloc_one(struct mm_struct *mm)

{

	struct page *page;



	page = alloc_page(GFP_KERNEL | __GFP_ZERO);

	if (!page)

		return NULL;

	if (!pgtable_page_ctor(page)) {

		__free_page(page);

		return NULL;

	}

	return page;

}



static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)

{

	return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);

}



static inline void pte_free(struct mm_struct *mm, pgtable_t pte)

{

	pgtable_page_dtor(pte);

	__free_page(pte);

}



static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)

{

	free_page((unsigned long)pte);

}



#define __pte_free_tlb(tlb, pte, address)	pte_free((tlb)->mm, pte)



#endif				/* _ASM_IA64_PGALLOC_H */