xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'highmem' into devel

Browse Source 
Conflicts:

	arch/arm/mach-clps7500/include/mach/memory.h
This commit is contained in:
Russell King
2008-11-28 15:39:02 +00:00
committed by Russell King
parent f412b09f4e b5ee900258
commit 7ef4de17cc
68 changed files with 772 additions and 1255 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
arch/arm/kernel/setup.c
View File

@@ -59,7 +59,7 @@ static int __init fpe_setup(char *line)
__setup("fpe=", fpe_setup);
#endif
extern void paging_init(struct meminfo *, struct machine_desc *desc);
extern void paging_init(struct machine_desc *desc);
extern void reboot_setup(char *str);
extern void _text, _etext, __data_start, _edata, _end;
@@ -112,7 +112,6 @@ static struct stack stacks[NR_CPUS];
char elf_platform[ELF_PLATFORM_SIZE];
EXPORT_SYMBOL(elf_platform);
static struct meminfo meminfo __initdata = { 0, };
static const char *cpu_name;
static const char *machine_name;
static char __initdata command_line[COMMAND_LINE_SIZE];
@@ -367,21 +366,34 @@ static struct machine_desc * __init setup_machine(unsigned int nr)
return list;
}
static void __init arm_add_memory(unsigned long start, unsigned long size)
static int __init arm_add_memory(unsigned long start, unsigned long size)
{
struct membank *bank;
struct membank *bank = &meminfo.bank[meminfo.nr_banks];
if (meminfo.nr_banks >= NR_BANKS) {
printk(KERN_CRIT "NR_BANKS too low, "
"ignoring memory at %#lx\n", start);
return -EINVAL;
}
/*
* Ensure that start/size are aligned to a page boundary.
* Size is appropriately rounded down, start is rounded up.
*/
size -= start & ~PAGE_MASK;
bank = &meminfo.bank[meminfo.nr_banks++];
bank->start = PAGE_ALIGN(start);
bank->size = size & PAGE_MASK;
bank->node = PHYS_TO_NID(start);
/*
* Check whether this memory region has non-zero size or
* invalid node number.
*/
if (bank->size == 0 || bank->node >= MAX_NUMNODES)
return -EINVAL;
meminfo.nr_banks++;
return 0;
}
/*
@@ -539,14 +551,7 @@ __tagtable(ATAG_CORE, parse_tag_core);
static int __init parse_tag_mem32(const struct tag *tag)
{
if (meminfo.nr_banks >= NR_BANKS) {
printk(KERN_WARNING
"Ignoring memory bank 0x%08x size %dKB\n",
tag->u.mem.start, tag->u.mem.size / 1024);
return -EINVAL;
}
arm_add_memory(tag->u.mem.start, tag->u.mem.size);
return 0;
return arm_add_memory(tag->u.mem.start, tag->u.mem.size);
}
__tagtable(ATAG_MEM, parse_tag_mem32);
@@ -718,7 +723,7 @@ void __init setup_arch(char **cmdline_p)
memcpy(boot_command_line, from, COMMAND_LINE_SIZE);
boot_command_line[COMMAND_LINE_SIZE-1] = '\0';
parse_cmdline(cmdline_p, from);
paging_init(&meminfo, mdesc);
paging_init(mdesc);
request_standard_resources(&meminfo, mdesc);
#ifdef CONFIG_SMP