From: Dmitry Safonov <0x7f454c46@gmail.com>
Since commit d35c99ff77ec ("netlink: do not enter direct reclaim from
netlink_dump()") the cap is 32KiB.
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
---
net/netlink/af_netlink.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 0a9287fadb47a2afaf0babe675738bc43051c5a7..27979cefc06256bde052898d193ed99f710c2087 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2279,7 +2279,7 @@ static int netlink_dump(struct sock *sk, bool lock_taken)
goto errout_skb;
/* NLMSG_GOODSIZE is small to avoid high order allocations being
- * required, but it makes sense to _attempt_ a 16K bytes allocation
+ * required, but it makes sense to _attempt_ a 32KiB allocation
* to reduce number of system calls on dump operations, if user
* ever provided a big enough buffer.
*/
@@ -2301,7 +2301,7 @@ static int netlink_dump(struct sock *sk, bool lock_taken)
goto errout_skb;
/* Trim skb to allocated size. User is expected to provide buffer as
- * large as max(min_dump_alloc, 16KiB (mac_recvmsg_len capped at
+ * large as max(min_dump_alloc, 32KiB (max_recvmsg_len capped at
* netlink_recvmsg())). dump will pack as many smaller messages as
* could fit within the allocated skb. skb is typically allocated
* with larger space than required (could be as much as near 2x the
--
2.42.2