netdevsim: Avoid allocation warnings triggered from user space

stable inclusion
from stable-v5.10.137
commit 397e52dec16839b1296a350d8a34f898f284e061
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I60PLB

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=397e52dec16839b1296a350d8a34f898f284e061



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[ Upstream commit d0b80a9e ]

We need to suppress warnings from sily map sizes. Also switch
from GFP_USER to GFP_KERNEL_ACCOUNT, I'm pretty sure I misunderstood
the flags when writing this code.

Fixes: 395cacb5 ("netdevsim: bpf: support fake map offload")
Reported-by:  <syzbot+ad24705d3fd6463b18c6@syzkaller.appspotmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220726213605.154204-1-kuba@kernel.org


Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>