diff options
Diffstat (limited to 'mm/nobootmem.c')
| -rw-r--r-- | mm/nobootmem.c | 64 | 
1 files changed, 33 insertions, 31 deletions
diff --git a/mm/nobootmem.c b/mm/nobootmem.c index 61107cf55bb..7ed58602e71 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -41,11 +41,13 @@ static void * __init __alloc_memory_core_early(int nid, u64 size, u64 align,  	if (limit > memblock.current_limit)  		limit = memblock.current_limit; -	addr = memblock_find_in_range_node(goal, limit, size, align, nid); +	addr = memblock_find_in_range_node(size, align, goal, limit, nid);  	if (!addr)  		return NULL; -	memblock_reserve(addr, size); +	if (memblock_reserve(addr, size)) +		return NULL; +  	ptr = phys_to_virt(addr);  	memset(ptr, 0, size);  	/* @@ -82,27 +84,18 @@ void __init free_bootmem_late(unsigned long addr, unsigned long size)  static void __init __free_pages_memory(unsigned long start, unsigned long end)  { -	unsigned long i, start_aligned, end_aligned; -	int order = ilog2(BITS_PER_LONG); - -	start_aligned = (start + (BITS_PER_LONG - 1)) & ~(BITS_PER_LONG - 1); -	end_aligned = end & ~(BITS_PER_LONG - 1); +	int order; -	if (end_aligned <= start_aligned) { -		for (i = start; i < end; i++) -			__free_pages_bootmem(pfn_to_page(i), 0); - -		return; -	} +	while (start < end) { +		order = min(MAX_ORDER - 1UL, __ffs(start)); -	for (i = start; i < start_aligned; i++) -		__free_pages_bootmem(pfn_to_page(i), 0); +		while (start + (1UL << order) > end) +			order--; -	for (i = start_aligned; i < end_aligned; i += BITS_PER_LONG) -		__free_pages_bootmem(pfn_to_page(i), order); +		__free_pages_bootmem(pfn_to_page(start), order); -	for (i = end_aligned; i < end; i++) -		__free_pages_bootmem(pfn_to_page(i), 0); +		start += (1UL << order); +	}  }  static unsigned long __init __free_memory_core(phys_addr_t start, @@ -123,16 +116,27 @@ static unsigned long __init __free_memory_core(phys_addr_t start,  static unsigned long __init free_low_memory_core_early(void)  {  	unsigned long count = 0; -	phys_addr_t start, end, size; +	phys_addr_t start, end;  	u64 i; -	for_each_free_mem_range(i, MAX_NUMNODES, &start, &end, NULL) +	for_each_free_mem_range(i, NUMA_NO_NODE, &start, &end, NULL)  		count += __free_memory_core(start, end); -	/* free range that is used for reserved array if we allocate it */ -	size = get_allocated_memblock_reserved_regions_info(&start); -	if (size) -		count += __free_memory_core(start, start + size); +#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK +	{ +		phys_addr_t size; + +		/* Free memblock.reserved array if it was allocated */ +		size = get_allocated_memblock_reserved_regions_info(&start); +		if (size) +			count += __free_memory_core(start, start + size); + +		/* Free memblock.memory array if it was allocated */ +		size = get_allocated_memblock_memory_regions_info(&start); +		if (size) +			count += __free_memory_core(start, start + size); +	} +#endif  	return count;  } @@ -170,7 +174,7 @@ unsigned long __init free_all_bootmem(void)  	reset_all_zones_managed_pages();  	/* -	 * We need to use MAX_NUMNODES instead of NODE_DATA(0)->node_id +	 * We need to use NUMA_NO_NODE instead of NODE_DATA(0)->node_id  	 *  because in some case like Node0 doesn't have RAM installed  	 *  low ram will be on Node1  	 */ @@ -193,7 +197,6 @@ unsigned long __init free_all_bootmem(void)  void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,  			      unsigned long size)  { -	kmemleak_free_part(__va(physaddr), size);  	memblock_free(physaddr, size);  } @@ -208,7 +211,6 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,   */  void __init free_bootmem(unsigned long addr, unsigned long size)  { -	kmemleak_free_part(__va(addr), size);  	memblock_free(addr, size);  } @@ -224,7 +226,7 @@ static void * __init ___alloc_bootmem_nopanic(unsigned long size,  restart: -	ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align, goal, limit); +	ptr = __alloc_memory_core_early(NUMA_NO_NODE, size, align, goal, limit);  	if (ptr)  		return ptr; @@ -308,7 +310,7 @@ again:  	if (ptr)  		return ptr; -	ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align, +	ptr = __alloc_memory_core_early(NUMA_NO_NODE, size, align,  					goal, limit);  	if (ptr)  		return ptr; @@ -330,7 +332,7 @@ void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,  	return ___alloc_bootmem_node_nopanic(pgdat, size, align, goal, 0);  } -void * __init ___alloc_bootmem_node(pg_data_t *pgdat, unsigned long size, +static void * __init ___alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,  				    unsigned long align, unsigned long goal,  				    unsigned long limit)  {  | 
