From 600c820b8ee5016b8d2985c6181d002125062dc1 Mon Sep 17 00:00:00 2001
From: Christos Skarlos <christosskarlos.kernel@gmail.com>
Date: Thu, 3 Sep 2026 12:22:00 +0300
Subject: [PATCH] mm/huge_memory: fix various coding style warnings

Resolve coding style issues flagged by checkpatch.pl Specifically:
- Add missing blank lines after variable declarations.
- Remove unnecessary braces {} for a single statement block.

No functional changes are introduced.

Link: https://lore.kernel.org/20260903092200.88910-1-christosskarlos.kernel@gmail.com
Signed-off-by: Christos Skarlos <christosskarlos.kernel@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Barry Song <baohua@kernel.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
---
 mm/huge_memory.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index c5d11147b69a..dd66c6ad5af1 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1146,6 +1146,7 @@ subsys_initcall(hugepage_init);
 static int __init setup_transparent_hugepage(char *str)
 {
 	int ret = 0;
+
 	if (!str)
 		goto out;
 	if (!strcmp(str, "always")) {
@@ -1552,6 +1553,7 @@ static void set_huge_zero_folio(pgtable_t pgtable, struct mm_struct *mm,
 		struct folio *zero_folio)
 {
 	pmd_t entry;
+
 	entry = folio_mk_pmd(zero_folio, vma->vm_page_prot);
 	entry = pmd_mkspecial(entry);
 	pgtable_trans_huge_deposit(mm, pmd, pgtable);
@@ -2661,6 +2663,7 @@ bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
 
 		if (pmd_move_must_withdraw(new_ptl, old_ptl, vma)) {
 			pgtable_t pgtable;
+
 			pgtable = pgtable_trans_huge_withdraw(mm, old_pmd);
 			pgtable_trans_huge_deposit(mm, new_pmd, pgtable);
 		}
@@ -3949,9 +3952,8 @@ int folio_check_splittable(struct folio *folio, unsigned int new_order,
 	 * swapcache folio split. Only uniform split to order-0 can be used
 	 * here.
 	 */
-	if ((split_type == SPLIT_TYPE_NON_UNIFORM || new_order) && folio_test_swapcache(folio)) {
+	if ((split_type == SPLIT_TYPE_NON_UNIFORM || new_order) && folio_test_swapcache(folio))
 		return -EINVAL;
-	}
 
 	if (is_huge_zero_folio(folio))
 		return -EINVAL;