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Merge branch 'linux-linaro-lsk' into linux-linaro-lsk-android

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This commit is contained in:
Alex Shi
2015-04-23 14:55:22 +08:00
parent d78c0d2e46 e13c574895
commit 14cdcbf57a
2 changed files with 19 additions and 19 deletions
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19
arch/arm64/kernel/setup.c
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@@ -369,25 +369,6 @@ void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
return __va(memblock_alloc(size, align));
}
/*
* Limit the memory size that was specified via FDT.
*/
static int __init early_mem(char *p)
{
phys_addr_t limit;
if (!p)
return 1;
limit = memparse(p, &p) & PAGE_MASK;
pr_notice("Memory limited to %lldMB\n", limit >> 20);
memblock_enforce_memory_limit(limit);
return 0;
}
early_param("mem", early_mem);
static void __init request_standard_resources(void)
{
struct memblock_region *region;

19
arch/arm64/mm/init.c
View File

@@ -143,11 +143,30 @@ static void arm64_memory_present(void)
}
#endif
static phys_addr_t memory_limit = (phys_addr_t)ULLONG_MAX;
/*
* Limit the memory size that was specified via FDT.
*/
static int __init early_mem(char *p)
{
if (!p)
return 1;
memory_limit = memparse(p, &p) & PAGE_MASK;
pr_notice("Memory limited to %lldMB\n", memory_limit >> 20);
return 0;
}
early_param("mem", early_mem);
void __init arm64_memblock_init(void)
{
u64 *reserve_map, base, size;
phys_addr_t dma_phys_limit = 0;
memblock_enforce_memory_limit(memory_limit);
/*
* Register the kernel text, kernel data, initrd, and initial
* pagetables with memblock.