[merged mm-stable] hugetlb_cgroup-remove-unneeded-nr_pages-0-check.patch removed from -mm tree

[merged mm-stable] hugetlb_cgroup-remove-unneeded-nr_pages-0-check.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: hugetlb_cgroup: remove unneeded nr_pages > 0 check
has been removed from the -mm tree.  Its filename was
     hugetlb_cgroup-remove-unneeded-nr_pages-0-check.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Miaohe Lin <linmiaohe@huawei.com>
Subject: hugetlb_cgroup: remove unneeded nr_pages > 0 check
Date: Fri, 29 Jul 2022 16:01:02 +0800

Patch series "A few cleanup patches for hugetlb_cgroup", v2.

This series contains a few cleaup patches to remove unneeded check, use
helper macro, remove unneeded return value and so on.  More details can be
found in the respective changelogs.


This patch (of 5):

When code reaches here, nr_pages must be > 0. Remove unneeded nr_pages > 0
check to simplify the code.

Link: https://lkml.kernel.org/r/20220729080106.12752-1-linmiaohe@huawei.com
Link: https://lkml.kernel.org/r/20220729080106.12752-2-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/hugetlb_cgroup.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/hugetlb_cgroup.c~hugetlb_cgroup-remove-unneeded-nr_pages-0-check
+++ a/mm/hugetlb_cgroup.c
@@ -442,7 +442,7 @@ void hugetlb_cgroup_uncharge_file_region
 	if (hugetlb_cgroup_disabled() || !resv || !rg || !nr_pages)
 		return;
 
-	if (rg->reservation_counter && resv->pages_per_hpage && nr_pages > 0 &&
+	if (rg->reservation_counter && resv->pages_per_hpage &&
 	    !resv->reservation_counter) {
 		page_counter_uncharge(rg->reservation_counter,
 				      nr_pages * resv->pages_per_hpage);
_

Patches currently in -mm which might be from linmiaohe@huawei.com are

mm-hwpoison-use-clearpagehwpoison-in-memory_failure.patch
mm-hwpoison-use-__pagemovable-to-detect-non-lru-movable-pages.patch
mm-hwpoison-use-num_poisoned_pages_sub-to-decrease-num_poisoned_pages.patch
mm-hwpoison-avoid-unneeded-page_mapped_in_vma-overhead-in-collect_procs_anon.patch
mm-hwpoison-check-pagetable-explicitly-in-hwpoison_user_mappings.patch
mm-hwpoison-cleanup-some-obsolete-comments.patch
writeback-remove-unused-macro-dirty_full_scope.patch