[PATCH] mm/huge_memory: fix various coding style warnings

[Christos Skarlos <christosskarlos.kernel@gmail.com>]

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.

Signed-off-by: Christos Skarlos <christosskarlos.kernel@gmail.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 ced400f72d43..371ee8d38c45 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1104,6 +1104,7 @@ subsys_initcall(hugepage_init);
 static int __init setup_transparent_hugepage(char *str)
 {
 	int ret = 0;
+
 	if (!str)
 		goto out;
 	if (!strcmp(str, "always")) {
@@ -1510,6 +1511,7 @@ 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);
@@ -2613,6 +2615,7 @@ 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);
 		}
@@ -3901,9 +3904,8 @@ 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;
-- 
2.55.0