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From 67349176ca23f7525dee79665a880cde5aeeaf26 Mon Sep 17 00:00:00 2001
From: Nikhil Gupta <nikhil.gupta@nxp.com>
Date: Mon, 30 Dec 2019 15:11:23 +0530
Subject: [PATCH] arm64:move elfcorehdr reservation early for crash dump kernel
on some SOCs, elfcorehdr address may overlap with the address of reserved
memory allocated using early_init_fdt_scan_reserved_mem
Signed-off-by: Nikhil Gupta <nikhil.gupta@nxp.com>
Signed-off-by: Poonam Aggrwal <poonam.aggrwal@nxp.com>
---
arch/arm64/mm/init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -418,6 +418,8 @@ void __init arm64_memblock_init(void)
initrd_end = initrd_start + phys_initrd_size;
}
+ reserve_elfcorehdr();
+
early_init_fdt_scan_reserved_mem();
/* 4GB maximum for 32-bit only capable devices */
@@ -428,8 +430,6 @@ void __init arm64_memblock_init(void)
reserve_crashkernel();
- reserve_elfcorehdr();
-
high_memory = __va(memblock_end_of_DRAM() - 1) + 1;
dma_contiguous_reserve(arm64_dma_phys_limit);
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