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authorMike Rapoport <rppt@linux.ibm.com>2019-09-23 15:35:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-24 15:54:09 -0700
commit013199211c8bfe9cad9312f5083f0d5a576cf74a (patch)
tree342fd75b4fc6f95879a39e621fdaf40c15fe3c90 /arch
parent13224794cb0832caa403ad583d8605202cabc6bc (diff)
downloadlinux-013199211c8bfe9cad9312f5083f0d5a576cf74a.tar.gz
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: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/include/asm/pgalloc.h32
1 files changed, 2 insertions, 30 deletions
diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h
index b03d993f5d7e..f4c491044882 100644
--- a/arch/ia64/include/asm/pgalloc.h
+++ b/arch/ia64/include/asm/pgalloc.h
@@ -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 */