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Date:   Sat, 25 Apr 2020 20:48:46 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH 2/2] net: openvswitch: use div_u64() for 64-by-32

Date: Sat, 25 Apr 2020 11:39:48 +0800

> From: Tonghao Zhang <>
> Compile the kernel for arm 32 platform, the build warning found.
> To fix that, should use div_u64() for divisions.
> | net/openvswitch/meter.c:396: undefined reference to `__udivdi3'
> [add more commit msg, change reported tag, and use div_u64 instead
> of do_div by Tonghao]
> Fixes: e57358873bb5d6ca ("net: openvswitch: use u64 for meter bucket")
> Reported-by: kbuild test robot <>
> Signed-off-by: Tonghao Zhang <>
> Tested-by: Tonghao Zhang <>


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