[PATCH 09/14] staging: lustre: lnet-route: use kmalloc for small allocation

From: NeilBrown
Date: Mon Jan 08 2018 - 20:21:08 EST


This allocation is reasonably small.
As the function is called "*_locked", it might not be safe
to perform a GFP_KERNEL allocation, so be safe and
use GFP_NOFS.

Signed-off-by: NeilBrown <neilb@xxxxxxxx>
---
drivers/staging/lustre/lnet/lnet/router.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/lustre/lnet/lnet/router.c b/drivers/staging/lustre/lnet/lnet/router.c
index 409244e57a31..476d6d296037 100644
--- a/drivers/staging/lustre/lnet/lnet/router.c
+++ b/drivers/staging/lustre/lnet/lnet/router.c
@@ -884,8 +884,7 @@ lnet_destroy_rc_data(struct lnet_rc_data *rcd)
lnet_net_unlock(cpt);
}

- if (rcd->rcd_pinginfo)
- LIBCFS_FREE(rcd->rcd_pinginfo, LNET_PINGINFO_SIZE);
+ kfree(rcd->rcd_pinginfo);

kfree(rcd);
}
@@ -908,7 +907,7 @@ lnet_create_rc_data_locked(struct lnet_peer *gateway)
LNetInvalidateMDHandle(&rcd->rcd_mdh);
INIT_LIST_HEAD(&rcd->rcd_list);

- LIBCFS_ALLOC(pi, LNET_PINGINFO_SIZE);
+ pi = kzalloc(LNET_PINGINFO_SIZE, GFP_NOFS);
if (!pi)
goto out;