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Date:   Fri, 14 Jun 2019 11:20:17 +0100
From:   Will Deacon <will.deacon@arm.com>
To:     Qian Cai <cai@lca.pw>
Cc:     Catalin Marinas <catalin.marinas@arm.com>,
        Anshuman Khandual <anshuman.khandual@arm.com>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        linux-arm-kernel@lists.infradead.org
Subject: Re: LTP hugemmap05 test case failure on arm64 with linux-next
 (next-20190613)
Message-ID: <20190614102017.GC10659@fuggles.cambridge.arm.com>
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Hi Qian,

On Thu, Jun 13, 2019 at 05:34:01PM -0400, Qian Cai wrote:
> LTP hugemmap05 test case [1] could not exit itself properly and then degrade the
> system performance on arm64 with linux-next (next-20190613). The bisection so
> far indicates,
> 
> BAD:  30bafbc357f1 Merge remote-tracking branch 'arm64/for-next/core'
> GOOD: 0c3d124a3043 Merge remote-tracking branch 'arm64-fixes/for-next/fixes'

Did you finish the bisection in the end? Also, what config are you using
(you usually have something fairly esoteric ;)?

Thanks,

Will