The patch titled
Subject: sparc: fix handling of page table constructor failure
has been added to the -mm tree. Its filename is
sparc-fix-handling-of-page-table-constructor-failure.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/sparc-fix-handling-of-page-table-constructor-failure.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/sparc-fix-handling-of-page-table-constructor-failure.patch
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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: 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/20201125034655.27687-1-willy@xxxxxxxxxxxxx
Fixes: 1ae9ae5f7df7 ("sparc: handle pgtable_page_ctor() fail")
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: David Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/sparc/mm/init_64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/sparc/mm/init_64.c~sparc-fix-handling-of-page-table-constructor-failure
+++ a/arch/sparc/mm/init_64.c
@@ -2894,7 +2894,7 @@ pgtable_t pte_alloc_one(struct mm_struct
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);
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
sparc-fix-handling-of-page-table-constructor-failure.patch
mm-move-free_unref_page-to-mm-internalh.patch
mm-page-flags-fix-comment.patch
mm-page_alloc-add-__free_pages-documentation.patch
mm-support-thps-in-zero_user_segments.patch
mm-make-pagecache-tagged-lookups-return-only-head-pages.patch
mm-shmem-use-pagevec_lookup-in-shmem_unlock_mapping.patch
mm-swap-optimise-get_shadow_from_swap_cache.patch
mm-add-fgp_entry.patch
mm-filemap-rename-find_get_entry-to-mapping_get_entry.patch
mm-filemap-add-helper-for-finding-pages.patch
mm-filemap-add-helper-for-finding-pages-fix.patch
mm-filemap-add-mapping_seek_hole_data.patch
mm-filemap-add-mapping_seek_hole_data-fix.patch
iomap-use-mapping_seek_hole_data.patch
mm-add-and-use-find_lock_entries.patch
mm-add-and-use-find_lock_entries-fix.patch
mm-add-an-end-parameter-to-find_get_entries.patch
mm-add-an-end-parameter-to-pagevec_lookup_entries.patch
mm-remove-nr_entries-parameter-from-pagevec_lookup_entries.patch
mm-pass-pvec-directly-to-find_get_entries.patch
mm-remove-pagevec_lookup_entries.patch
mm-truncateshmem-handle-truncates-that-split-thps.patch
mm-filemap-return-only-head-pages-from-find_get_entries.patch
