netdev - Re: [PATCH mm] mm: fix BUG with kvzalloc+GFP

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Message-ID: <20220926075639.GA908@breakpoint.cc>
Date:   Mon, 26 Sep 2022 09:56:39 +0200
From:   Florian Westphal <fw@...len.de>
To:     Michal Hocko <mhocko@...e.com>
Cc:     Florian Westphal <fw@...len.de>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, vbabka@...e.cz,
        akpm@...ux-foundation.org, urezki@...il.com,
        netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
        Martin Zaharinov <micron10@...il.com>
Subject: Re: [PATCH mm] mm: fix BUG with kvzalloc+GFP_ATOMIC

Michal Hocko <mhocko@...e.com> wrote:
> > kvzalloc(GFP_ATOMIC) was perfectly fine, is this illegal again?
> 
> kvmalloc has never really supported GFP_ATOMIC semantic.

It did, you added it:
ce91f6ee5b3b ("mm: kvmalloc does not fallback to vmalloc for incompatible gfp flags")