From: Mike Rapoport <rppt@kernel.org>
To: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Cc: akpm@linux-foundation.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux@armlinux.org.uk, rppt@linux.ibm.com, tony@atomide.com,
wangkefeng.wang@huawei.com, yj.chiang@mediatek.com
Subject: Re: [PATCH v3 0/4] memblock, arm: fixes for freeing of the memory map
Date: Thu, 11 Nov 2021 11:45:56 +0200 [thread overview]
Message-ID: <YYzmVEmKPRmA2EOW@kernel.org> (raw)
In-Reply-To: <20211111073329.13095-1-mark-pk.tsai@mediatek.com>
Hi,
On Thu, Nov 11, 2021 at 03:33:29PM +0800, Mark-PK Tsai wrote:
> Hi,
>
> The lts kernel also have this issue. (we use 5.4-lts kernel.)
> Currently we patch our custom kernel to select CONFIG_HOLES_IN_ZONE for arch arm.
> But I think the formal solution should backport to lts.
>
> Would you help to backport this patch series? (including the below commit)
There were a couple of changes between 5.4 and this set, so you'd need to
"apply" the first two patches to arm::free_unused_memmap(). Other than
that, I don't see any pitfalls here.
Feel free to CC me when you post the backported series.
> (024591f9a6e0 arm: ioremap: don't abuse pfn_valid() to check if pfn is in RAM)
>
> Thanks!
--
Sincerely yours,
Mike.
prev parent reply other threads:[~2021-11-11 9:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-30 7:12 [PATCH v3 0/4] memblock, arm: fixes for freeing of the memory map Mike Rapoport
2021-06-30 7:12 ` [PATCH v3 1/4] memblock: free_unused_memmap: use pageblock units instead of MAX_ORDER Mike Rapoport
2021-06-30 7:12 ` [PATCH v3 2/4] memblock: align freed memory map on pageblock boundaries with SPARSEMEM Mike Rapoport
2021-06-30 7:12 ` [PATCH v3 3/4] memblock: ensure there is no overflow in memblock_overlaps_region() Mike Rapoport
2021-06-30 7:12 ` [PATCH v3 4/4] arm: extend pfn_valid to take into account freed memory map alignment Mike Rapoport
2021-07-05 4:22 ` Guenter Roeck
2021-07-05 7:23 ` Mike Rapoport
2021-07-05 14:55 ` Guenter Roeck
2021-07-09 4:56 ` Alexey Minnekhanov
2021-06-30 8:26 ` [PATCH v3 0/4] memblock, arm: fixes for freeing of the memory map Tony Lindgren
2021-11-11 7:33 ` Mark-PK Tsai
2021-11-11 9:45 ` Mike Rapoport [this message]
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