Thread (75 messages) 75 messages, 8 authors, 2018-02-13

Re: [PATCH v2 07/15] MIPS: memblock: Reserve kdump/crash regions in memblock

From: Matt Redfearn <hidden>
Date: 2018-02-13 13:53:12
Also in: lkml

Hi Serge,

On 02/02/18 03:54, Serge Semin wrote:
Kdump/crashkernel memory regions should be reserved in the
memblock allocator so they wouldn't be occupied by any further
allocations.

Signed-off-by: Serge Semin <redacted>
This looks good to me

Reviewed-by: Matt Redfearn <redacted>

Thanks,
Matt
quoted hunk ↗ jump to hunk
---
  arch/mips/kernel/setup.c | 8 +++-----
  1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 72853e94c2c7..b2a5b89ae6b2 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -826,17 +826,15 @@ static void __init arch_mem_init(char **cmdline_p)
  	if (setup_elfcorehdr && setup_elfcorehdr_size) {
  		printk(KERN_INFO "kdump reserved memory at %lx-%lx\n",
  		       setup_elfcorehdr, setup_elfcorehdr_size);
-		reserve_bootmem(setup_elfcorehdr, setup_elfcorehdr_size,
-				BOOTMEM_DEFAULT);
+		memblock_reserve(setup_elfcorehdr, setup_elfcorehdr_size);
  	}
  #endif
  
  	mips_parse_crashkernel();
  #ifdef CONFIG_KEXEC
  	if (crashk_res.start != crashk_res.end)
-		reserve_bootmem(crashk_res.start,
-				crashk_res.end - crashk_res.start + 1,
-				BOOTMEM_DEFAULT);
+		memblock_reserve(crashk_res.start,
+				 crashk_res.end - crashk_res.start + 1);
  #endif
  	device_tree_init();
  	sparse_init();
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