[merged mm-stable] mm-huge_memory-use-helper-macro-is_err_or_null-in-split_huge_pages_pid.patch removed from -mm tree

[merged mm-stable] mm-huge_memory-use-helper-macro-is_err_or_null-in-split_huge_pages_pid.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/huge_memory: use helper macro IS_ERR_OR_NULL in split_huge_pages_pid
has been removed from the -mm tree.  Its filename was
     mm-huge_memory-use-helper-macro-is_err_or_null-in-split_huge_pages_pid.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: mm/huge_memory: use helper macro IS_ERR_OR_NULL in split_huge_pages_pid
Date: Mon, 4 Jul 2022 21:22:01 +0800

Use helper macro IS_ERR_OR_NULL to check the validity of page to simplify
the code. Minor readability improvement.

Link: https://lkml.kernel.org/r/20220704132201.14611-17-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Zach O'Keefe <zokeefe@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/huge_memory.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/mm/huge_memory.c~mm-huge_memory-use-helper-macro-is_err_or_null-in-split_huge_pages_pid
+++ a/mm/huge_memory.c
@@ -2958,9 +2958,7 @@ static int split_huge_pages_pid(int pid,
 		/* FOLL_DUMP to ignore special (like zero) pages */
 		page = follow_page(vma, addr, FOLL_GET | FOLL_DUMP);
 
-		if (IS_ERR(page))
-			continue;
-		if (!page || is_zone_device_page(page))
+		if (IS_ERR_OR_NULL(page) || is_zone_device_page(page))
 			continue;
 
 		if (!is_transparent_hugepage(page))
_

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

mm-hugetlb-avoid-corrupting-page-mapping-in-hugetlb_mcopy_atomic_pte.patch
mm-page_alloc-minor-clean-up-for-memmap_init_compound.patch
mm-mmapc-fix-missing-call-to-vm_unacct_memory-in-mmap_region.patch
filemap-minor-cleanup-for-filemap_write_and_wait_range.patch
mm-remove-obsolete-comment-in-do_fault_around.patch