diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/memblock.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h index f8b78892b977..47e3c0612592 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -263,6 +263,22 @@ void __next_mem_pfn_range_in_zone(u64 *idx, struct zone *zone, __next_mem_pfn_range_in_zone(&i, zone, p_start, p_end); \ i != U64_MAX; \ __next_mem_pfn_range_in_zone(&i, zone, p_start, p_end)) + +/** + * for_each_free_mem_range_in_zone_from - iterate through zone specific + * free memblock areas from a given point + * @i: u64 used as loop variable + * @zone: zone in which all of the memory blocks reside + * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL + * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL + * + * Walks over free (memory && !reserved) areas of memblock in a specific + * zone, continuing from current position. Available as soon as memblock is + * initialized. + */ +#define for_each_free_mem_pfn_range_in_zone_from(i, zone, p_start, p_end) \ + for (; i != U64_MAX; \ + __next_mem_pfn_range_in_zone(&i, zone, p_start, p_end)) #endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */ /** |