linux-kernel - Re: [PATCH] sysctl: Add a feature to drop caches selectively

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Message-ID: <CACVxJT8sEaOHJewEcj8HV2CG4m5vGWoZj3i=DsUnEOFKA1wxNw@mail.gmail.com>
Date:	Wed, 25 Jun 2014 14:21:20 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	mcsim.planeta@...il.com
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sysctl: Add a feature to drop caches selectively

On Wed, Jun 25, 2014 at 2:20 PM, Alexey Dobriyan <adobriyan@...il.com> wrote:
>> +static void clean_all_dentries_locked(struct dentry *dentry)
>> +{
>> + struct dentry *child;
>> +
>> + list_for_each_entry(child, &dentry->d_subdirs, d_u.d_child) {
>> + clean_all_dentries_locked(child);
>> + }
>> +
>> + clean_mapping(dentry);
>> +}
>
> unbounded recursion = kernel stack overflow
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