[Devel] [PATCH RH9 09/30] vhost: suppress high-order-allocation warning for vhost_log
Andrey Zhadchenko
andrey.zhadchenko at virtuozzo.com
Tue Sep 28 21:49:00 MSK 2021
From: Vasily Averin <vvs at virtuozzo.com>
In RHEL77+ kernels vhost_net requires 0x4400 bytes for vhost_log allocation.
https://jira.sw.ru/browse/PSBM-97775
Signed-off-by: Vasily Averin <vvs at virtuozzo.com>
(cherry-picked from vz7 commit 2a9f04037940 ("vhost: suppress
high-order-allocation warning for vhost_log"))
https://jira.sw.ru/browse/PSBM-127848
Signed-off-by: Valeriy Vdovin <valeriy.vdovin at virtuozzo.com>
(cherry picked from vz8 commit d975fe0f2c337b843ad494a365492cee89b80d42)
Signed-off-by: Andrey Zhadchenko <andrey.zhadchenko at virtuozzo.com>
---
drivers/vhost/vhost.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 59edb5a..a0bfc77 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -401,7 +401,7 @@ static long vhost_dev_alloc_iovecs(struct vhost_dev *dev)
sizeof(*vq->indirect),
GFP_KERNEL);
vq->log = kmalloc_array(dev->iov_limit, sizeof(*vq->log),
- GFP_KERNEL);
+ GFP_KERNEL | __GFP_ORDER_NOWARN);
vq->heads = kmalloc_array(dev->iov_limit, sizeof(*vq->heads),
GFP_KERNEL);
if (!vq->indirect || !vq->log || !vq->heads)
--
1.8.3.1
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