[PATCH v9 10/12] x86/kasan: use kasan_map_populate()

[Pavel Tatashin]

To optimize the performance of struct page initialization,
vmemmap_populate() will no longer zero memory.

Therefore, we must use a new interface to allocate and map kasan shadow
memory, that also zeroes memory for us.

Signed-off-by: Pavel Tatashin <pasha.tatas...@oracle.com>
---
 arch/x86/mm/kasan_init_64.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index bc84b73684b7..2db95efd208e 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -23,7 +23,7 @@ static int __init map_range(struct range *range)
        start = (unsigned long)kasan_mem_to_shadow(pfn_to_kaddr(range->start));
        end = (unsigned long)kasan_mem_to_shadow(pfn_to_kaddr(range->end));
 
-       return vmemmap_populate(start, end, NUMA_NO_NODE);
+       return kasan_map_populate(start, end, NUMA_NO_NODE);
 }
 
 static void __init clear_pgds(unsigned long start,
@@ -136,9 +136,9 @@ void __init kasan_init(void)
                kasan_mem_to_shadow((void *)PAGE_OFFSET + MAXMEM),
                kasan_mem_to_shadow((void *)__START_KERNEL_map));
 
-       vmemmap_populate((unsigned long)kasan_mem_to_shadow(_stext),
-                       (unsigned long)kasan_mem_to_shadow(_end),
-                       NUMA_NO_NODE);
+       kasan_map_populate((unsigned long)kasan_mem_to_shadow(_stext),
+                          (unsigned long)kasan_mem_to_shadow(_end),
+                          NUMA_NO_NODE);
 
        kasan_populate_zero_shadow(kasan_mem_to_shadow((void *)MODULES_END),
                        (void *)KASAN_SHADOW_END);
-- 
2.14.1