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authorMatthew Wilcox (Oracle) <[email protected]>2020-12-14 19:07:59 -0800
committerLinus Torvalds <[email protected]>2020-12-15 12:13:41 -0800
commit06517c9a336f4c20f2064611bf4b1e7881a95fe1 (patch)
tree1ebf75142e107054b5b53bca541d173b6d5f1c34
parent2b5067a8143e34aa3fa57a20fb8a3c40d905f942 (diff)
sparc: fix handling of page table constructor failure
The page has just been allocated, so its refcount is 1. free_unref_page() is for use on pages which have a zero refcount. Use __free_page() like the other implementations of pte_alloc_one(). Link: https://lkml.kernel.org/r/[email protected] Fixes: 1ae9ae5f7df7 ("sparc: handle pgtable_page_ctor() fail") Signed-off-by: Matthew Wilcox (Oracle) <[email protected]> Reviewed-by: David Hildenbrand <[email protected]> Reviewed-by: Mike Rapoport <[email protected]> Acked-by: Vlastimil Babka <[email protected]> Cc: David Miller <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--arch/sparc/mm/init_64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 96edf64d4fb3..182bb7bdaa0a 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2894,7 +2894,7 @@ pgtable_t pte_alloc_one(struct mm_struct *mm)
if (!page)
return NULL;
if (!pgtable_pte_page_ctor(page)) {
- free_unref_page(page);
+ __free_page(page);
return NULL;
}
return (pte_t *) page_address(page);