Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=71120061f271f00d8280659bf12e065ca6533d4d
Commit:     71120061f271f00d8280659bf12e065ca6533d4d
Parent:     d00195ebc18049f067c8e389c186aa6f5d2b659f
Author:     Kirill Korotaev <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 5 16:20:00 2007 -0800
Committer:  Tony Luck <[EMAIL PROTECTED]>
CommitDate: Mon Feb 5 16:47:02 2007 -0800

    [IA64] virt_to_page() can be called with NULL arg
    
    It does not return NULL when arg is NULL.
    
    Signed-off-by: Alexey Kuznetsov <[EMAIL PROTECTED]>
    Signed-off-by: Kirill Korotaev <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Tony Luck <[EMAIL PROTECTED]>
---
 include/asm-ia64/pgalloc.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/include/asm-ia64/pgalloc.h b/include/asm-ia64/pgalloc.h
index 393e04c..560c287 100644
--- a/include/asm-ia64/pgalloc.h
+++ b/include/asm-ia64/pgalloc.h
@@ -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,
                                         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,
-
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