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

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Message-Id: <20191014154423.a472315834ce6a730ccbaf3f@linux-foundation.org>
Date:   Mon, 14 Oct 2019 15:44:23 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Mike Rapoport <rppt@...nel.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 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?