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

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Message-ID: <6260a8af-3166-94d3-9441-104d342ab7a1@gmail.com>
Date:   Thu, 19 Apr 2018 09:25:48 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Mikulas Patocka <mpatocka@...hat.com>,
        David Miller <davem@...emloft.net>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org
Cc:     eric.dumazet@...il.com, 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 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() ...