The quilt patch titled Subject: mm/hugetlb: remove unnecessary 'NULL' values from pointer has been removed from the -mm tree. Its filename was mm-hugetlb-remove-unnecessary-null-values-from-pointer.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: XU pengfei <xupengfei@xxxxxxxxxxxx> Subject: mm/hugetlb: remove unnecessary 'NULL' values from pointer Date: Wed, 14 Sep 2022 09:21:14 +0800 Pointer variables allocate memory first, and then judge. There is no need to initialize the assignment. Link: https://lkml.kernel.org/r/20220914012113.6271-1-xupengfei@xxxxxxxxxxxx Signed-off-by: XU pengfei <xupengfei@xxxxxxxxxxxx> Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/hugetlb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/hugetlb.c~mm-hugetlb-remove-unnecessary-null-values-from-pointer +++ a/mm/hugetlb.c @@ -258,7 +258,7 @@ static inline struct hugepage_subpool *s static struct file_region * get_file_region_entry_from_cache(struct resv_map *resv, long from, long to) { - struct file_region *nrg = NULL; + struct file_region *nrg; VM_BUG_ON(resv->region_cache_count <= 0); @@ -340,7 +340,7 @@ static bool has_same_uncharge_info(struc static void coalesce_file_region(struct resv_map *resv, struct file_region *rg) { - struct file_region *nrg = NULL, *prg = NULL; + struct file_region *nrg, *prg; prg = list_prev_entry(rg, link); if (&prg->link != &resv->regions && prg->to == rg->from && _ Patches currently in -mm which might be from xupengfei@xxxxxxxxxxxx are