bpf: Add mmap() support for BPF_MAP_TYPE_ARRAY

[sfrench/cifs-2.6.git] / mm / mremap.c

diff --git a/mm/mremap.c b/mm/mremap.c
index e3edef6b7a120a3cae727dceeed0513c8cdbc28b..1fc8a29fbe3f44a7ecbee35eb67cbebc815f78ad 100644 (file)
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -249,7 +249,8 @@ unsigned long move_page_tables(struct vm_area_struct *vma,
        old_end = old_addr + len;
        flush_cache_range(vma, old_addr, old_end);
 
-       mmu_notifier_range_init(&range, vma->vm_mm, old_addr, old_end);
+       mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm,
+                               old_addr, old_end);
        mmu_notifier_invalidate_range_start(&range);
 
        for (; old_addr < old_end; old_addr += extent, new_addr += extent) {
@@ -605,6 +606,9 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
        LIST_HEAD(uf_unmap_early);
        LIST_HEAD(uf_unmap);
 
+       addr = untagged_addr(addr);
+       new_addr = untagged_addr(new_addr);
+
        if (flags & ~(MREMAP_FIXED | MREMAP_MAYMOVE))
                return ret;