diff options
Diffstat (limited to 'arch/x86/mm/memblock.c')
| -rw-r--r-- | arch/x86/mm/memblock.c | 87 | 
1 files changed, 0 insertions, 87 deletions
diff --git a/arch/x86/mm/memblock.c b/arch/x86/mm/memblock.c index 4107c1a32b78..a9d0972df10a 100644 --- a/arch/x86/mm/memblock.c +++ b/arch/x86/mm/memblock.c @@ -7,93 +7,6 @@  #include <linux/mm.h>  #include <linux/range.h> -static __init struct range *find_range_array(int count) -{ -	u64 end, size, mem; -	struct range *range; - -	size = sizeof(struct range) * count; -	end = memblock.current_limit; - -	mem = memblock_find_in_range(0, end, size, sizeof(struct range)); -	if (!mem) -		panic("can not find more space for range array"); - -	/* -	 * This range is tempoaray, so don't reserve it, it will not be -	 * overlapped because We will not alloccate new buffer before -	 * We discard this one -	 */ -	range = __va(mem); -	memset(range, 0, size); - -	return range; -} - -static u64 __init __memblock_x86_memory_in_range(u64 addr, u64 limit, bool get_free) -{ -	int i, count; -	struct range *range; -	int nr_range; -	u64 final_start, final_end; -	u64 free_size; -	struct memblock_region *r; - -	count = (memblock.reserved.cnt + memblock.memory.cnt) * 2; - -	range = find_range_array(count); -	nr_range = 0; - -	addr = PFN_UP(addr); -	limit = PFN_DOWN(limit); - -	for_each_memblock(memory, r) { -		final_start = PFN_UP(r->base); -		final_end = PFN_DOWN(r->base + r->size); -		if (final_start >= final_end) -			continue; -		if (final_start >= limit || final_end <= addr) -			continue; - -		nr_range = add_range(range, count, nr_range, final_start, final_end); -	} -	subtract_range(range, count, 0, addr); -	subtract_range(range, count, limit, -1ULL); - -	/* Subtract memblock.reserved.region in range ? */ -	if (!get_free) -		goto sort_and_count_them; -	for_each_memblock(reserved, r) { -		final_start = PFN_DOWN(r->base); -		final_end = PFN_UP(r->base + r->size); -		if (final_start >= final_end) -			continue; -		if (final_start >= limit || final_end <= addr) -			continue; - -		subtract_range(range, count, final_start, final_end); -	} - -sort_and_count_them: -	nr_range = clean_sort_range(range, count); - -	free_size = 0; -	for (i = 0; i < nr_range; i++) -		free_size += range[i].end - range[i].start; - -	return free_size << PAGE_SHIFT; -} - -u64 __init memblock_x86_free_memory_in_range(u64 addr, u64 limit) -{ -	return __memblock_x86_memory_in_range(addr, limit, true); -} - -u64 __init memblock_x86_memory_in_range(u64 addr, u64 limit) -{ -	return __memblock_x86_memory_in_range(addr, limit, false); -} -  void __init memblock_x86_reserve_range(u64 start, u64 end, char *name)  {  	if (start == end)  | 
