Merge tag 'mips-fixes_5.14_1' of git://git.kernel.org/pub/scm/linux/k…

…ernel/git/mips/linux

Pull MIPS fix from Thomas Bogendoerfer:
 "Fix PMD accounting change"

* tag 'mips-fixes_5.14_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: check return value of pgtable_pmd_page_ctor

arch/mips/include/asm/pgalloc.h

@@ -58,15 +58,20 @@ do {							\
 
 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
 {
-	pmd_t *pmd = NULL;
+	pmd_t *pmd;
 	struct page *pg;
 
-	pg = alloc_pages(GFP_KERNEL | __GFP_ACCOUNT, PMD_ORDER);
-	if (pg) {
-		pgtable_pmd_page_ctor(pg);
-		pmd = (pmd_t *)page_address(pg);
-		pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
+	pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_ORDER);
+	if (!pg)
+		return NULL;
+
+	if (!pgtable_pmd_page_ctor(pg)) {
+		__free_pages(pg, PMD_ORDER);
+		return NULL;
 	}
+
+	pmd = (pmd_t *)page_address(pg);
+	pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
 	return pmd;
 }