Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a4c28ab7445f5ca60e56ffd90edb3e9fc1330b71
Commit: a4c28ab7445f5ca60e56ffd90edb3e9fc1330b71
Parent: 66b30922c8a2c880fe61080c5bf87ae6615b9f64
Author: Akinobu Mita <[EMAIL PROTECTED]>
AuthorDate: Tue May 29 20:46:51 2007 +1000
Committer: Paul Mackerras <[EMAIL PROTECTED]>
CommitDate: Sat Jun 2 21:01:56 2007 +1000
[POWERPC] Fix return from pte_alloc_one() in out-of-memory case
pte_alloc_one() is expected to return NULL if out of memory.
But it returns virt_to_page(NULL), which is not NULL.
This fixes it.
Cc: Paul Mackerras <[EMAIL PROTECTED]>
Signed-off-by: Akinobu Mita <[EMAIL PROTECTED]>
Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>
---
include/asm-powerpc/pgalloc-64.h | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/include/asm-powerpc/pgalloc-64.h b/include/asm-powerpc/pgalloc-64.h
index d9a3a8c..94d0294 100644
--- a/include/asm-powerpc/pgalloc-64.h
+++ b/include/asm-powerpc/pgalloc-64.h
@@ -90,7 +90,8 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct
*mm,
static inline struct page *pte_alloc_one(struct mm_struct *mm,
unsigned long address)
{
- return virt_to_page(pte_alloc_one_kernel(mm, address));
+ pte_t *pte = pte_alloc_one_kernel(mm, address);
+ return pte ? virt_to_page(pte) : NULL;
}
static inline void pte_free_kernel(pte_t *pte)
-
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