linux-kernel - [PATCH v2 07/15] MIPS: memblock: Reserve kdump/crash regions in memblock

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Date:   Fri,  2 Feb 2018 06:54:50 +0300
From:   Serge Semin <fancer.lancer@...il.com>
To:     ralf@...ux-mips.org, miodrag.dinic@...s.com, jhogan@...nel.org,
        goran.ferenc@...s.com, david.daney@...ium.com,
        paul.gortmaker@...driver.com, paul.burton@...s.com,
        alex.belits@...ium.com, Steven.Hill@...ium.com
Cc:     alexander.sverdlin@...ia.com, matt.redfearn@...s.com,
        kumba@...too.org, marcin.nowakowski@...s.com, James.hogan@...s.com,
        Peter.Wotton@...s.com, Sergey.Semin@...latforms.ru,
        linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
        Serge Semin <fancer.lancer@...il.com>
Subject: [PATCH v2 07/15] MIPS: memblock: Reserve kdump/crash regions in memblock

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 <fancer.lancer@...il.com>
---
 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();
-- 
2.12.0