The patch titled
Subject: mm/page_alloc: remove unnecessary __maybe_unused in order_to_pindex()
has been added to the -mm mm-unstable branch. Its filename is
mm-page_alloc-remove-unnecessary-__maybe_unused-in-order_to_pindex.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_alloc-remove-unnecessary-__maybe_unused-in-order_to_pindex.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Liu Ye <liuye@xxxxxxxxxx>
Subject: mm/page_alloc: remove unnecessary __maybe_unused in order_to_pindex()
Date: Wed, 19 Mar 2025 17:17:26 +0800
The `movable` variable is always used when `CONFIG_TRANSPARENT_HUGEPAGE`
is enabled, so the `__maybe_unused` attribute is not necessary. This
patch removes it and keeps the variable declaration within the `#ifdef`
block for better clarity.
Link: https://lkml.kernel.org/r/20250319091726.401158-1-liuyerd@xxxxxxx
Signed-off-by: Liu Ye<liuye@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/page_alloc.c~mm-page_alloc-remove-unnecessary-__maybe_unused-in-order_to_pindex
+++ a/mm/page_alloc.c
@@ -509,9 +509,9 @@ out:
static inline unsigned int order_to_pindex(int migratetype, int order)
{
- bool __maybe_unused movable;
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ bool movable;
if (order > PAGE_ALLOC_COSTLY_ORDER) {
VM_BUG_ON(order != HPAGE_PMD_ORDER);
_
Patches currently in -mm which might be from liuye@xxxxxxxxxx are
mm-page_alloc-remove-unnecessary-__maybe_unused-in-order_to_pindex.patch
