ENTRIES_PER_PAGEPAGE define in mm/shmem.c becomes zero if page size is
256KB. This patch fixes this.
Signed-off-by: Ilya Yanok <[EMAIL PROTECTED]>
---
mm/shmem.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/mm/shmem.c b/mm/shmem.c
index 04fb4f1..c603427 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -59,7 +59,7 @@
#define TMPFS_MAGIC 0x01021994
#define ENTRIES_PER_PAGE (PAGE_CACHE_SIZE/sizeof(unsigned long))
-#define ENTRIES_PER_PAGEPAGE (ENTRIES_PER_PAGE*ENTRIES_PER_PAGE)
+#define ENTRIES_PER_PAGEPAGE ((unsigned long
long)ENTRIES_PER_PAGE*ENTRIES_PER_PAGE)
#define BLOCKS_PER_PAGE (PAGE_CACHE_SIZE/512)
#define SHMEM_MAX_INDEX (SHMEM_NR_DIRECT + (ENTRIES_PER_PAGEPAGE/2) *
(ENTRIES_PER_PAGE+1))
@@ -519,7 +519,7 @@ static void shmem_truncate_range(struct inode *inode,
loff_t start, loff_t end)
struct shmem_inode_info *info = SHMEM_I(inode);
unsigned long idx;
unsigned long size;
- unsigned long limit;
+ unsigned long long limit;
unsigned long stage;
unsigned long diroff;
struct page **dir;
@@ -535,7 +535,7 @@ static void shmem_truncate_range(struct inode *inode,
loff_t start, loff_t end)
int punch_hole;
spinlock_t *needs_lock;
spinlock_t *punch_lock;
- unsigned long upper_limit;
+ unsigned long long upper_limit;
inode->i_ctime = inode->i_mtime = CURRENT_TIME;
idx = (start + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
--
1.5.6.1
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