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 Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> 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@xxxxxxxxxx> Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Cc: Mina Almasry <almasrymina@xxxxxxxxxx> Cc: David Rientjes <rientjes@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- 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@xxxxxxxxxx are hugetlb-fix-an-error-code-in-hugetlb_reserve_pages.patch