+ hugetlb-remove-redundant-vm_bug_on-in-add_reservation_in_range.patch added to -mm tree

The patch titled
     Subject: hugetlb: remove redundant VM_BUG_ON() in add_reservation_in_range()
has been added to the -mm tree.  Its filename is
     hugetlb-remove-redundant-vm_bug_on-in-add_reservation_in_range.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/hugetlb-remove-redundant-vm_bug_on-in-add_reservation_in_range.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/hugetlb-remove-redundant-vm_bug_on-in-add_reservation_in_range.patch

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------------------------------------------------------
From: Baolin Wang <baolin.wang@linux.alibaba.com>
Subject: hugetlb: remove redundant VM_BUG_ON() in add_reservation_in_range()

When calling hugetlb_resv_map_add(), we've guaranteed that the parameter
'to' is always larger than 'from', so it never returns a negative value
from hugetlb_resv_map_add().  Thus remove the redundant VM_BUG_ON().

Link: https://lkml.kernel.org/r/2b565552f3d06753da1e8dda439c0d96d6d9a5a3.1634797639.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mike Kravetz <redacted>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/hugetlb.c |    1 -
 1 file changed, 1 deletion(-)

--- a/mm/hugetlb.c~hugetlb-remove-redundant-vm_bug_on-in-add_reservation_in_range
+++ a/mm/hugetlb.c

@@ -445,7 +445,6 @@ static long add_reservation_in_range(str
 		add += hugetlb_resv_map_add(resv, rg, last_accounted_offset,
 					    t, h, h_cg, regions_needed);
 
-	VM_BUG_ON(add < 0);
 	return add;
 }
 

_

Patches currently in -mm which might be from baolin.wang@linux.alibaba.com are

hugetlb-support-node-specified-when-using-cma-for-gigantic-hugepages.patch
hugetlb_cgroup-remove-unused-hugetlb_cgroup_from_counter-macro.patch
hugetlb-replace-the-obsolete-hugetlb_instantiation_mutex-in-the-comments.patch
hugetlb-remove-redundant-validation-in-has_same_uncharge_info.patch
hugetlb-remove-redundant-vm_bug_on-in-add_reservation_in_range.patch
mm-migrate-simplify-the-file-backed-pages-validation-when-migrating-its-mapping.patch