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Diffstat (limited to 'kernel')
-rw-r--r--kernel/watch_queue.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/kernel/watch_queue.c b/kernel/watch_queue.c
index 4bcd400984a7..5b516eb2c7cc 100644
--- a/kernel/watch_queue.c
+++ b/kernel/watch_queue.c
@@ -220,7 +220,6 @@ long watch_queue_set_size(struct pipe_inode_info *pipe, unsigned int nr_notes)
struct page **pages;
unsigned long *bitmap;
unsigned long user_bufs;
- unsigned int bmsize;
int ret, i, nr_pages;
if (!wqueue)
@@ -259,13 +258,11 @@ long watch_queue_set_size(struct pipe_inode_info *pipe, unsigned int nr_notes)
pages[i]->index = i * WATCH_QUEUE_NOTES_PER_PAGE;
}
- bmsize = (nr_notes + BITS_PER_LONG - 1) / BITS_PER_LONG;
- bmsize *= sizeof(unsigned long);
- bitmap = kmalloc(bmsize, GFP_KERNEL);
+ bitmap = bitmap_alloc(nr_notes, GFP_KERNEL);
if (!bitmap)
goto error_p;
- memset(bitmap, 0xff, bmsize);
+ bitmap_fill(bitmap, nr_notes);
wqueue->notes = pages;
wqueue->notes_bitmap = bitmap;
wqueue->nr_pages = nr_pages;