diff options
Diffstat (limited to 'arch/s390/mm/vmem.c')
| -rw-r--r-- | arch/s390/mm/vmem.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 4113a7ffa149..242f95aa9801 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -5,6 +5,7 @@ #include <linux/memory_hotplug.h> #include <linux/memblock.h> +#include <linux/kasan.h> #include <linux/pfn.h> #include <linux/mm.h> #include <linux/init.h> @@ -664,6 +665,9 @@ static void __init memblock_region_swap(void *a, void *b, int size) swap(*(struct memblock_region *)a, *(struct memblock_region *)b); } +#ifdef CONFIG_KASAN +#define __sha(x) ((unsigned long)kasan_mem_to_shadow((void *)x)) +#endif /* * map whole physical memory to virtual memory (identity mapping) * we reserve enough space in the vmalloc area for vmemmap to hotplug @@ -733,6 +737,13 @@ void __init vmem_map_init(void) SET_MEMORY_RW | SET_MEMORY_NX); } +#ifdef CONFIG_KASAN + for_each_mem_range(i, &base, &end) + __set_memory(__sha(base), + (__sha(end) - __sha(base)) >> PAGE_SHIFT, + SET_MEMORY_RW | SET_MEMORY_NX); +#endif + __set_memory((unsigned long)_stext, (unsigned long)(_etext - _stext) >> PAGE_SHIFT, SET_MEMORY_RO | SET_MEMORY_X); |