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Date:   Sat, 26 Dec 2020 11:35:55 +0800
From:   Chen Zhou <>
To:     <>, <>
CC:     <>, <>, <>,
        <>, <>,
        <>, <>,
        <>, <>
Subject: [PATCH 0/2] arm64: mm: fix kdump broken with ZONE_DMA reintroduced

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(-)


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