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

From: Serge Semin
Date: Thu Feb 01 2018 - 22:58:16 EST


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@xxxxxxxxx>
---
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