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Subject: Re: trinity test fanotify cause hungtasks on kernel 4.13
To: <eparis@redhat.com>
References: <5979B8A5.205@huawei.com>
CC: Zhaohongjiang <zhaohongjiang@huawei.com>,
        "miaoxie@huawei.com" <miaoxie@huawei.com>,
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From: Gu Zheng <guzheng1@huawei.com>
Message-ID: <597A91D3.7070102@huawei.com>
Date: Fri, 28 Jul 2017 09:22:27 +0800
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hi:all
sorry , close the  CONFIG_FANOTIFY_ACCESS_PERMISSIONS  is ok.
it effected by adding the permissive judgment in fanotify_mark.

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