We can remove one call sites for clear_cma_bitmap() if we first
call it before checking error number.
Acked-by: Minchan Kim <minc...@kernel.org>
Reviewed-by: Michal Nazarewicz <min...@mina86.com>
Reviewed-by: Zhang Yanfei <zhangyan...@cn.fujitsu.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
Signed-off-by: Joonsoo Kim <iamjoonsoo....@lge.com>
diff --git a/mm/cma.c b/mm/cma.c
index 0cf50da..b442a13 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -285,11 +285,12 @@ struct page *cma_alloc(struct cma *cma, int count,
unsigned int align)
if (ret == 0) {
page = pfn_to_page(pfn);
break;
- } else if (ret != -EBUSY) {
- cma_clear_bitmap(cma, pfn, count);
- break;
}
+
cma_clear_bitmap(cma, pfn, count);
+ if (ret != -EBUSY)
+ break;
+
pr_debug("%s(): memory range at %p is busy, retrying\n",
__func__, pfn_to_page(pfn));
/* try again with a bit different memory target */
--
1.7.9.5
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
