+ mm-oom_kill-remove-unneeded-is_memcg_oom-check.patch added to -mm tree

+ mm-oom_kill-remove-unneeded-is_memcg_oom-check.patch added to -mm tree

[Andrew Morton]

The patch titled
     Subject: mm/oom_kill: remove unneeded is_memcg_oom check
has been added to the -mm tree.  Its filename is
     mm-oom_kill-remove-unneeded-is_memcg_oom-check.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-oom_kill-remove-unneeded-is_memcg_oom-check.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-oom_kill-remove-unneeded-is_memcg_oom-check.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: Miaohe Lin <linmiaohe@huawei.com>
Subject: mm/oom_kill: remove unneeded is_memcg_oom check

oom_cpuset_eligible() is always called when !is_memcg_oom().  Remove this
unnecessary check.

Link: https://lkml.kernel.org/r/20220224115933.20154-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/oom_kill.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/mm/oom_kill.c~mm-oom_kill-remove-unneeded-is_memcg_oom-check
+++ a/mm/oom_kill.c
@@ -93,9 +93,6 @@ static bool oom_cpuset_eligible(struct t
 	bool ret = false;
 	const nodemask_t *mask = oc->nodemask;
 
-	if (is_memcg_oom(oc))
-		return true;
-
 	rcu_read_lock();
 	for_each_thread(start, tsk) {
 		if (mask) {
_

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

mm-memremap-avoid-calling-kasan_remove_zero_shadow-for-device-private-memory.patch
filemap-remove-find_get_pages.patch
mm-use-helper-function-range_in_vma.patch
mm-use-helper-macro-min-and-max-in-unmap_mapping_range_tree.patch
mm-sparse-make-mminit_validate_memmodel_limits-static.patch
mm-vmalloc-remove-unneeded-function-forward-declaration.patch
mm-mmzoneh-remove-unused-macros.patch
mm-memory-failurec-minor-clean-up-for-memory_failure_dev_pagemap.patch
mm-memory-failurec-catch-unexpected-efault-from-vma_address.patch
mm-memory-failurec-rework-the-signaling-logic-in-kill_proc.patch
mm-memory-failurec-fix-race-with-changing-page-more-robustly.patch
mm-memory-failurec-remove-pageslab-check-in-hwpoison_filter_dev.patch
mm-memory-failurec-rework-the-try_to_unmap-logic-in-hwpoison_user_mappings.patch
mm-memory-failurec-remove-obsolete-comment-in-__soft_offline_page.patch
mm-memory-failurec-remove-unnecessary-pagetranstail-check.patch
mm-hwpoison-inject-support-injecting-hwpoison-to-free-page.patch
mm-hugetlb-use-helper-macro-__attr_rw.patch
mm-oom_kill-remove-unneeded-is_memcg_oom-check.patch
mm-ksm-use-helper-macro-__attr_rw.patch
mm-balloon_compaction-make-balloon-page-compaction-callbacks-static.patch
mm-memory_hotplug-remove-obsolete-comment-of-__add_pages.patch
mm-memory_hotplug-avoid-calling-zone_intersects-for-zone_normal.patch
mm-memory_hotplug-clean-up-try_offline_node.patch
mm-memory_hotplug-fix-misplaced-comment-in-offline_pages.patch
mm-highmem-remove-unnecessary-done-label.patch
mm-hmmc-remove-unneeded-local-variable-ret.patch
kernel-ksysfsc-use-helper-macro-__attr_rw.patch
kernel-resource-fix-kfree-of-bootmem-memory-again.patch