Hi Heiko,
Thank you for looking at this patch. I am worried to make the proposed
change, because, as I understand in this case we allocate memory not for
"struct page"s but for table that hold them. So, we will change the
behavior from the current one, where this table is allocated zeroed, but
now it won't be zeroed.
Pasha
If you add the hunk below then this is
Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index ffe9ba1aec8b..bf88a8b9c24d 100644
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -272,7 +272,7 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
if (pte_none(*pt_dir)) {
void *new_page;
- new_page = vmemmap_alloc_block(PAGE_SIZE, node, true);
+ new_page = vmemmap_alloc_block(PAGE_SIZE, node, VMEMMAP_ZERO);
if (!new_page)
goto out;
pte_val(*pt_dir) = __pa(new_page) | pgt_prot;
--
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