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@xxxxxxxxxx>
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@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Yang Shi <shy828301@xxxxxxxxx>
Cc: Zach O'Keefe <zokeefe@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxxx 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
