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m68k fixes for 4.20 

- Fix memblock-related crashes.
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Merge tag 'm68k-for-v4.20-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

Pull m68k fix from Geert Uytterhoeven:
 "Fix memblock-related crashes"

* tag 'm68k-for-v4.20-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: Fix memblock-related crashes
This commit is contained in:
Linus Torvalds 2018-12-20 07:35:16 -08:00
parent c0f3ece465 bed1369f51
commit 1d51b4b1d3
2 changed files with 2 additions and 2 deletions
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2
arch/m68k/kernel/setup_mm.c
View File

@ -164,8 +164,6 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record)
be32_to_cpu(m->addr);
m68k_memory[m68k_num_memory].size =
be32_to_cpu(m->size);
memblock_add(m68k_memory[m68k_num_memory].addr,
m68k_memory[m68k_num_memory].size);
m68k_num_memory++;
} else
pr_warn("%s: too many memory chunks\n",

2
arch/m68k/mm/motorola.c
View File

@ -228,6 +228,7 @@ void __init paging_init(void)
min_addr = m68k_memory[0].addr;
max_addr = min_addr + m68k_memory[0].size;
memblock_add(m68k_memory[0].addr, m68k_memory[0].size);
for (i = 1; i < m68k_num_memory;) {
if (m68k_memory[i].addr < min_addr) {
printk("Ignoring memory chunk at 0x%lx:0x%lx before the first chunk\n",
@ -238,6 +239,7 @@ void __init paging_init(void)
(m68k_num_memory - i) * sizeof(struct m68k_mem_info));
continue;
}
memblock_add(m68k_memory[i].addr, m68k_memory[i].size);
addr = m68k_memory[i].addr + m68k_memory[i].size;
if (addr > max_addr)
max_addr = addr;