linux-kernel - Re: [PATCH 2/2] vhost/scsi: Delete error messages for failed memory allocations in five functions

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Date:   Mon, 22 May 2017 15:38:33 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Stefan Hajnoczi <stefanha@...il.com>
Cc:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        kvm@...r.kernel.org, netdev@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        kernel-janitors@...r.kernel.org, Jason Wang <jasowang@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Wolfram Sang <wsa@...-dreams.de>
Subject: Re: [PATCH 2/2] vhost/scsi: Delete error messages for failed memory
 allocations in five functions

On Mon, May 22, 2017 at 12:23:20PM +0100, Stefan Hajnoczi wrote:
> I'm not sure if kmalloc() and friends guarantee to show
> a message (not just the first time, but for every failed allocation)?
>

It prints multiple times, but it's ratelimited.  It can also be disabled
using a config option.

See slab_out_of_memory().

regards,
dan carpenter