mm/memory-failure.c: minor cleanup for HWPoisonHandlable

Patch series "A few fixup and cleanup patches for memory failure", v2.

This series contains a patch to clean up the HWPoisonHandlable and another
one to dissolve truncated hugetlb page.  More details can be found in the
respective changelogs.


This patch (of 2):

The local variable movable can be removed by returning true directly. Also
fix typo 'mirgate'. No functional change intended.

Link: https://lkml.kernel.org/r/20220414114941.11223-1-linmiaohe@huawei.com
Link: https://lkml.kernel.org/r/20220414114941.11223-2-linmiaohe@huawei.comSigned-off-by: NMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Reviewed-by: NYang Shi <shy828301@gmail.com>
Acked-by: NNaoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>

mm/memory-failure.c

@@ -1178,13 +1178,11 @@ void ClearPageHWPoisonTakenOff(struct page *page)
  */
 static inline bool HWPoisonHandlable(struct page *page, unsigned long flags)
 {
-	bool movable = false;
-
-	/* Soft offline could mirgate non-LRU movable pages */
+	/* Soft offline could migrate non-LRU movable pages */
 	if ((flags & MF_SOFT_OFFLINE) && __PageMovable(page))
-		movable = true;
+		return true;
 
-	return movable || PageLRU(page) || is_free_buddy_page(page);
+	return PageLRU(page) || is_free_buddy_page(page);
 }
 
 static int __get_hwpoison_page(struct page *page, unsigned long flags)