linux-kernel - Re: Checking error messages for failed memory allocations

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Message-ID: <1493233549.18659.33.camel@perches.com>
Date:   Wed, 26 Apr 2017 12:05:49 -0700
From:   Joe Perches <joe@...ches.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     Subhash Jadavani <subhashj@...eaurora.org>,
        linux-scsi@...r.kernel.org,
        "James E. J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Vinayak Holikatti <vinholikatti@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org, Wolfram Sang <wsa@...-dreams.de>,
        linux-scsi-owner@...r.kernel.org
Subject: Re: Checking error messages for failed memory allocations

On Wed, 2017-04-26 at 20:50 +0200, SF Markus Elfring wrote:
> > Basically most everything that has a gfp_t argument does a
> > dump_stack() on OOM unless __GFP_NOWARN is specified by that gfp_t.
> 
> How do you think about to improve any programming interface documentation
> around such a function property?

Feel free to submit documentation patches.

> Are there any special checks needed for function implementations
> which can pass the flag “__GFP_NOWARN”?

No.