From: Chen Zhou <chenzhou10@huawei.com>
To: <catalin.marinas@arm.com>, <will@kernel.org>
Cc: song.bao.hua@hisilicon.com, xiexiuqi@huawei.com,
chenzhou10@huawei.com, linux-kernel@vger.kernel.org,
rppt@kernel.org, huawei.libin@huawei.com,
akpm@linux-foundation.org, ardb@kernel.org,
nsaenzjulienne@suse.de, linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/2] arm64: mm: fix kdump broken with ZONE_DMA reintroduced
Date: Sat, 26 Dec 2020 11:35:55 +0800 [thread overview]
Message-ID: <20201226033557.116251-1-chenzhou10@huawei.com> (raw)
If the memory reserved for crash dump kernel falled in ZONE_DMA32,
the devices in crash dump kernel need to use ZONE_DMA will alloc fail.
Fix this by reserving low memory in ZONE_DMA if CONFIG_ZONE_DMA is
enabled, otherwise, reserving in ZONE_DMA32.
Patch 1 updates the comments about the ZONE_DMA.
Patch 2 fix kdump broken.
Chen Zhou (2):
arm64: mm: update the comments about ZONE_DMA
arm64: mm: fix kdump broken with ZONE_DMA reintroduced
arch/arm64/mm/init.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
--
2.20.1
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WARNING: multiple messages have this Message-ID (diff)
From: Chen Zhou <chenzhou10@huawei.com>
To: <catalin.marinas@arm.com>, <will@kernel.org>
Cc: <ardb@kernel.org>, <akpm@linux-foundation.org>, <rppt@kernel.org>,
<nsaenzjulienne@suse.de>, <song.bao.hua@hisilicon.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <chenzhou10@huawei.com>,
<huawei.libin@huawei.com>, <xiexiuqi@huawei.com>
Subject: [PATCH 0/2] arm64: mm: fix kdump broken with ZONE_DMA reintroduced
Date: Sat, 26 Dec 2020 11:35:55 +0800 [thread overview]
Message-ID: <20201226033557.116251-1-chenzhou10@huawei.com> (raw)
If the memory reserved for crash dump kernel falled in ZONE_DMA32,
the devices in crash dump kernel need to use ZONE_DMA will alloc fail.
Fix this by reserving low memory in ZONE_DMA if CONFIG_ZONE_DMA is
enabled, otherwise, reserving in ZONE_DMA32.
Patch 1 updates the comments about the ZONE_DMA.
Patch 2 fix kdump broken.
Chen Zhou (2):
arm64: mm: update the comments about ZONE_DMA
arm64: mm: fix kdump broken with ZONE_DMA reintroduced
arch/arm64/mm/init.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
--
2.20.1
next reply other threads:[~2020-12-26 3:31 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-26 3:35 Chen Zhou [this message]
2020-12-26 3:35 ` [PATCH 0/2] arm64: mm: fix kdump broken with ZONE_DMA reintroduced Chen Zhou
2020-12-26 3:35 ` [PATCH 1/2] arm64: mm: update the comments about ZONE_DMA Chen Zhou
2020-12-26 3:35 ` Chen Zhou
2020-12-26 10:35 ` Nicolas Saenz Julienne
2020-12-26 10:35 ` Nicolas Saenz Julienne
2020-12-26 3:35 ` [PATCH 2/2] arm64: mm: fix kdump broken with ZONE_DMA reintroduced Chen Zhou
2020-12-26 3:35 ` Chen Zhou
2020-12-26 10:34 ` Nicolas Saenz Julienne
2020-12-26 10:34 ` Nicolas Saenz Julienne
2020-12-28 7:32 ` chenzhou
2020-12-28 7:32 ` chenzhou
2021-01-07 18:34 ` Catalin Marinas
2021-01-07 18:34 ` Catalin Marinas
2021-01-07 14:25 ` Catalin Marinas
2021-01-07 14:25 ` Catalin Marinas
2021-01-08 1:09 ` chenzhou
2021-01-08 1:09 ` chenzhou
2021-01-20 12:40 ` [PATCH 0/2] " Will Deacon
2021-01-20 12:40 ` Will Deacon
2021-01-20 13:07 ` Catalin Marinas
2021-01-20 13:07 ` Catalin Marinas
2021-01-21 2:37 ` chenzhou
2021-01-21 2:37 ` chenzhou
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