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sparc: fix handling of page table constructor failure
[ Upstream commit06517c9a33
] 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/20201125034655.27687-1-willy@infradead.org Fixes:1ae9ae5f7d
("sparc: handle pgtable_page_ctor() fail") Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -2904,7 +2904,7 @@ pgtable_t pte_alloc_one(struct mm_struct *mm)
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if (!page)
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return NULL;
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if (!pgtable_pte_page_ctor(page)) {
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free_unref_page(page);
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__free_page(page);
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return NULL;
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}
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return (pte_t *) page_address(page);
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