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mm/page_alloc: remove unnecessary __maybe_unused in order_to_pindex()

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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@163.com
Signed-off-by: Liu Ye<liuye@kylinos.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Liu Ye 2025-03-19 17:17:26 +08:00 committed by Andrew Morton
parent d893aca973
commit 0a1e082b64
1 changed files with 1 additions and 1 deletions
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2
mm/page_alloc.c
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@ -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);