+ hugetlb-fix-an-error-code-in-hugetlb_reserve_pages.patch added to -mm tree

+ hugetlb-fix-an-error-code-in-hugetlb_reserve_pages.patch added to -mm tree

[akpm]

The patch titled
     Subject: hugetlb: Fix an error code in hugetlb_reserve_pages()
has been added to the -mm tree.  Its filename is
     hugetlb-fix-an-error-code-in-hugetlb_reserve_pages.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/hugetlb-fix-an-error-code-in-hugetlb_reserve_pages.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/hugetlb-fix-an-error-code-in-hugetlb_reserve_pages.patch

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------------------------------------------------------
From: Dan Carpenter <dan.carpenter@oracle.com>
Subject: 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 <dan.carpenter@oracle.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mina Almasry <almasrymina@google.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/hugetlb.c |    1 +
 1 file changed, 1 insertion(+)

--- a/mm/hugetlb.c~hugetlb-fix-an-error-code-in-hugetlb_reserve_pages
+++ a/mm/hugetlb.c
@@ -5113,6 +5113,7 @@ int hugetlb_reserve_pages(struct inode *
 
 		if (unlikely(add < 0)) {
 			hugetlb_acct_memory(h, -gbl_reserve);
+			ret = add;
 			goto out_put_pages;
 		} else if (unlikely(chg > add)) {
 			/*
_

Patches currently in -mm which might be from dan.carpenter@oracle.com are

hugetlb-fix-an-error-code-in-hugetlb_reserve_pages.patch