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-rw-r--r--drivers/lightnvm/pblk-init.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index b2c49fc006c9..e0db0cb3122d 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -195,7 +195,8 @@ static int pblk_rwb_init(struct pblk *pblk)
unsigned long buffer_size;
int pgs_in_buffer;
- pgs_in_buffer = max(geo->mw_cunits, geo->ws_opt) * geo->all_luns;
+ pgs_in_buffer = (max(geo->mw_cunits, geo->ws_opt) + geo->ws_opt)
+ * geo->all_luns;
if (write_buffer_size && (write_buffer_size > pgs_in_buffer))
buffer_size = write_buffer_size;