This patch add memblock_free to also free the reserved memblock, so that the cma pages are not marked as reserved memory in /sys/kernel/debug/memblock/reserved debug file Signed-off-by: Yalin Wang <yalin.wang@xxxxxxxxxxxxxx> --- mm/cma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/cma.c b/mm/cma.c index c17751c..f3ec756 100644 --- a/mm/cma.c +++ b/mm/cma.c @@ -114,6 +114,8 @@ static int __init cma_activate_area(struct cma *cma) goto err; } init_cma_reserved_pageblock(pfn_to_page(base_pfn)); + memblock_free(__pfn_to_phys(base_pfn), + pageblock_nr_pages * PAGE_SIZE); } while (--i); mutex_init(&cma->lock); -- 2.1.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href