linux-kernel - Re: [PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG

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Message-ID: <alpine.LRH.2.02.1804191228080.31175@file01.intranet.prod.int.rdu2.redhat.com>
Date:   Thu, 19 Apr 2018 12:28:41 -0400 (EDT)
From:   Mikulas Patocka <mpatocka@...hat.com>
To:     Eric Dumazet <eric.dumazet@...il.com>
cc:     David Miller <davem@...emloft.net>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        edumazet@...gle.com, bhutchings@...arflare.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        mst@...hat.com, jasowang@...hat.com,
        virtualization@...ts.linux-foundation.org, dm-devel@...hat.com,
        Vlastimil Babka <vbabka@...e.cz>
Subject: Re: [PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM



On Thu, 19 Apr 2018, Eric Dumazet wrote:

> 
> 
> On 04/19/2018 09:12 AM, Mikulas Patocka wrote:
> > 
> > 
> > These bugs are hard to reproduce because vmalloc falls back to kmalloc
> > only if memory is fragmented.
> > 
> 
> This sentence is wrong.
> 
> .... because kvmalloc() falls back to vmalloc() ...

Yes. There should be "falls back to vmalloc()".

Mikulas