tile: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c
index 4fd9ec0..5e86eac 100644
--- a/arch/tile/mm/pgtable.c
+++ b/arch/tile/mm/pgtable.c
@@ -241,6 +241,11 @@
if (p == NULL)
return NULL;
+ if (!pgtable_page_ctor(p)) {
+ __free_pages(p, L2_USER_PGTABLE_ORDER);
+ return NULL;
+ }
+
/*
* Make every page have a page_count() of one, not just the first.
* We don't use __GFP_COMP since it doesn't look like it works
@@ -251,7 +256,6 @@
inc_zone_page_state(p+i, NR_PAGETABLE);
}
- pgtable_page_ctor(p);
return p;
}