Signed-off-by: Christoph Lameter <[email protected]>
---
mm/fadvise.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
Index: vps/mm/fadvise.c
===================================================================
--- vps.orig/mm/fadvise.c 2007-06-04 17:57:25.000000000 -0700
+++ vps/mm/fadvise.c 2007-06-09 21:32:46.000000000 -0700
@@ -79,8 +79,8 @@ asmlinkage long sys_fadvise64_64(int fd,
}
/* First and last PARTIAL page! */
- start_index = offset >> PAGE_CACHE_SHIFT;
- end_index = endbyte >> PAGE_CACHE_SHIFT;
+ start_index = page_cache_index(mapping, offset);
+ end_index = page_cache_index(mapping, endbyte);
/* Careful about overflow on the "+1" */
nrpages = end_index - start_index + 1;
@@ -100,8 +100,8 @@ asmlinkage long sys_fadvise64_64(int fd,
filemap_flush(mapping);
/* First and last FULL page! */
- start_index = (offset+(PAGE_CACHE_SIZE-1)) >> PAGE_CACHE_SHIFT;
- end_index = (endbyte >> PAGE_CACHE_SHIFT);
+ start_index = page_cache_next(mapping, offset);
+ end_index = page_cache_index(mapping, endbyte);
if (end_index >= start_index)
invalidate_mapping_pages(mapping, start_index,
--
-
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