kbuild test robot wrote:
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm
> head: c9941b7ec7840ad33f5822c7f238157558d40132
> commit: 4b4928dfcbe7f45ab9a900de1e0847cc555fc935 [522/1000] thp: fix huge zero page logic for page with pfn == 0
>
>
> sparse warnings: (new ones prefixed by >>)
>
> >> mm/huge_memory.c:189:24: sparse: Using plain integer as NULL pointer
Thanks for report. The fix is below.
Andrew, could you fold it into original patch?
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index bc2a548..d46ea1e 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -186,7 +186,7 @@ retry:
HPAGE_PMD_ORDER);
if (!zero_page) {
count_vm_event(THP_ZERO_PAGE_ALLOC_FAILED);
- return 0;
+ return NULL;
}
count_vm_event(THP_ZERO_PAGE_ALLOC);
preempt_disable();
--
Kirill A. Shutemov
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