linux-kernel - Re: [PATCH v6 02/17] ima: Define ns_status for storing namespaced iint data

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Date:   Wed, 15 Dec 2021 23:00:41 -0500
From:   Stefan Berger <stefanb@...ux.ibm.com>
To:     Mimi Zohar <zohar@...ux.ibm.com>, linux-integrity@...r.kernel.org
Cc:     serge@...lyn.com, christian.brauner@...ntu.com,
        containers@...ts.linux.dev, dmitry.kasatkin@...il.com,
        ebiederm@...ssion.com, krzysztof.struczynski@...wei.com,
        roberto.sassu@...wei.com, mpeters@...hat.com, lhinds@...hat.com,
        lsturman@...hat.com, puiterwi@...hat.com, jejb@...ux.ibm.com,
        jamjoom@...ibm.com, linux-kernel@...r.kernel.org,
        paul@...l-moore.com, rgb@...hat.com,
        linux-security-module@...r.kernel.org, jmorris@...ei.org,
        Mehmet Kayaalp <mkayaalp@...ux.vnet.ibm.com>
Subject: Re: [PATCH v6 02/17] ima: Define ns_status for storing namespaced
 iint data


On 12/15/21 22:53, Mimi Zohar wrote:
> On Wed, 2021-12-15 at 21:37 -0500, Stefan Berger wrote:
>
>>> before it is re-used.
>> KMEM_CACHE + kmem_cache_alloc/zalloc() are pretty common. What kind of
>> comment would be helpful here?
> The original reason for using kmem_cache_create() with init_once and
> deferring memory cleanup to free was for performance.  Using
> KMEM_CACHE() and kmem_cache_zalloc() instead could be for simplicity.
> The comment should note the change.

/* use KMEM_CACHE for simplicity */ ?


>
> Mimi
>