linux-kernel - Re: [PATCH] mm: memblock: do not enforce current limit for memblock

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Message-ID: <43610D35-58EE-4019-B979-EAE3F4781EAA@kernel.org>
Date:   Tue, 15 Oct 2019 08:42:07 +0200
From:   Mike Rapoport <rppt@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     Adam Ford <aford173@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Christoph Hellwig <hch@....de>,
        Fabio Estevam <festevam@...il.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        etnaviv@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Mike Rapoport <rppt@...ux.ibm.com>
Subject: Re: [PATCH] mm: memblock: do not enforce current limit for memblock_phys* family

On October 15, 2019 12:44:23 AM GMT+02:00, Andrew Morton <akpm@...ux-foundation.org> wrote:
>On Sun, 13 Oct 2019 00:31:01 +0300 Mike Rapoport <rppt@...nel.org>
>wrote:
>
>> Until commit 92d12f9544b7 ("memblock: refactor internal allocation
>> functions") the maximal address for memblock allocations was forced
>to
>> memblock.current_limit only for the allocation functions returning
>virtual
>> address. The changes introduced by that commit moved the limit
>enforcement
>> into the allocation core and as a result the allocation functions
>returning
>> physical address also started to limit allocations to
>> memblock.current_limit.
>> 
>> This caused breakage of etnaviv GPU driver:
>> 
>> ...
>>
>
>So I'll add a cc:stable, yes?

Yeah, right. Somehow I've missed that...

-- 
Sincerely yours,
Mike