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-rw-r--r--mm/readahead.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/mm/readahead.c b/mm/readahead.c
index f3d6f9656a3c..1ae16522412a 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -270,17 +270,15 @@ static unsigned long get_init_ra_size(unsigned long size, unsigned long max)
* return it as the new window size.
*/
static unsigned long get_next_ra_size(struct file_ra_state *ra,
- unsigned long max)
+ unsigned long max)
{
unsigned long cur = ra->size;
- unsigned long newsize;
if (cur < max / 16)
- newsize = 4 * cur;
- else
- newsize = 2 * cur;
-
- return min(newsize, max);
+ return 4 * cur;
+ if (cur <= max / 2)
+ return 2 * cur;
+ return max;
}
/*