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[IA64] virt_to_page() can be called with NULL arg

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It does not return NULL when arg is NULL.

Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: Kirill Korotaev <dev@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Kirill Korotaev 2007-02-05 16:20:00 -08:00 committed by Tony Luck
parent d00195ebc1
commit 71120061f2
1 changed files with 2 additions and 1 deletions
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3
include/asm-ia64/pgalloc.h
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@ -137,7 +137,8 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte)
static inline struct page *pte_alloc_one(struct mm_struct *mm, static inline struct page *pte_alloc_one(struct mm_struct *mm,
unsigned long addr) unsigned long addr)
{ {
return virt_to_page(pgtable_quicklist_alloc()); void *pg = pgtable_quicklist_alloc();
return pg ? virt_to_page(pg) : NULL;
} }
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,