diff options
| author | Thomas Gleixner <[email protected]> | 2018-06-22 21:20:35 +0200 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2018-06-22 21:20:35 +0200 |
| commit | 7731b8bc94e599c9a79e428f3359ff2c34b7576a (patch) | |
| tree | 879f18ccbe274122f2d4f095b43cbc7f953e0ada /drivers/hv/ring_buffer.c | |
| parent | 48e315618dc4dc8904182cd221e3d395d5d97005 (diff) | |
| parent | 9ffc59d57228d74809700be6f7ecb1db10292f05 (diff) | |
Merge branch 'linus' into x86/urgent
Required to queue a dependent fix.
Diffstat (limited to 'drivers/hv/ring_buffer.c')
| -rw-r--r-- | drivers/hv/ring_buffer.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 8699bb969e7e..be3c8b10b84a 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -202,7 +202,7 @@ int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info, * First page holds struct hv_ring_buffer, do wraparound mapping for * the rest. */ - pages_wraparound = kzalloc(sizeof(struct page *) * (page_cnt * 2 - 1), + pages_wraparound = kcalloc(page_cnt * 2 - 1, sizeof(struct page *), GFP_KERNEL); if (!pages_wraparound) return -ENOMEM; @@ -227,6 +227,8 @@ int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info, ring_info->ring_buffer->feature_bits.value = 1; ring_info->ring_size = page_cnt << PAGE_SHIFT; + ring_info->ring_size_div10_reciprocal = + reciprocal_value(ring_info->ring_size / 10); ring_info->ring_datasize = ring_info->ring_size - sizeof(struct hv_ring_buffer); |