mm/hugetlb: suppress wrong warning info when alloc gigantic page

If hugetlb_cma is enabled, it will skip boot time allocation when
allocating gigantic page, that doesn't means allocation failure, so
suppress this warning info.

Link: https://lkml.kernel.org/r/20210219123909.13130-1-chenwandun@huawei.com
Fixes: cf11e85fc08c ("mm: hugetlb: optionally allocate gigantic hugepages using cma")
Signed-off-by: Chen Wandun <chenwandun@huawei.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Roman Gushchin <guro@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 3f6a503..8a1d1f8 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2529,7 +2529,7 @@ static void __init hugetlb_hstate_alloc_pages(struct hstate *h)
                if (hstate_is_gigantic(h)) {
                        if (hugetlb_cma_size) {
                                pr_warn_once("HugeTLB: hugetlb_cma is enabled, skip boot time allocation\n");
-                               break;
+                               goto free;
                        }
                        if (!alloc_bootmem_huge_page(h))
                                break;
@@ -2547,7 +2547,7 @@ static void __init hugetlb_hstate_alloc_pages(struct hstate *h)
                        h->max_huge_pages, buf, i);
                h->max_huge_pages = i;
        }
-
+free:
        kfree(node_alloc_noretry);
 }