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authorDan Carpenter <[email protected]>2020-12-14 19:12:11 -0800
committerLinus Torvalds <[email protected]>2020-12-15 12:13:44 -0800
commit7fc2513aa237e2ce239ab54d7b04d1d79b317110 (patch)
tree1bff0ceb55d41c5e08514a21aa2a8a9140db9c63
parent39a0feaef1105d79028fac3078e3c67e137ce98d (diff)
hugetlb: fix an error code in hugetlb_reserve_pages()
Preserve the error code from region_add() instead of returning success. Link: https://lkml.kernel.org/r/X9NGZWnZl5/Mt99R@mwanda Fixes: 0db9d74ed884 ("hugetlb: disable region_add file_region coalescing") Signed-off-by: Dan Carpenter <[email protected]> Reviewed-by: Mike Kravetz <[email protected]> Reviewed-by: David Hildenbrand <[email protected]> Cc: Mina Almasry <[email protected]> Cc: David Rientjes <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--mm/hugetlb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index f94c673f1e19..e2f7bc8be1e8 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5113,6 +5113,7 @@ int hugetlb_reserve_pages(struct inode *inode,
if (unlikely(add < 0)) {
hugetlb_acct_memory(h, -gbl_reserve);
+ ret = add;
goto out_put_pages;
} else if (unlikely(chg > add)) {
/*