linux-kernel - Re: trinity test fanotify cause hungtasks on kernel 4.13

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Message-ID: <597A91D3.7070102@huawei.com>
Date:   Fri, 28 Jul 2017 09:22:27 +0800
From:   Gu Zheng <guzheng1@...wei.com>
To:     <eparis@...hat.com>
CC:     Zhaohongjiang <zhaohongjiang@...wei.com>,
        "miaoxie@...wei.com" <miaoxie@...wei.com>,
        Qiuxishi <qiuxishi@...wei.com>, <linux-kernel@...r.kernel.org>
Subject: Re: trinity test fanotify cause hungtasks on kernel 4.13

hi:all
sorry , close the  CONFIG_FANOTIFY_ACCESS_PERMISSIONS  is ok.
it effected by adding the permissive judgment in fanotify_mark.

在 2017/7/27 17:55, Gu Zheng 写道:
> if we disable the CONFIG_FANOTIFY_ACCESS_PERMISSIONS,
> the mem will be consumed  quickly, because the fsnotify_mark_srcu read lock always be hold.