e3e6a3b Handle poisoned mappings when getting page inode

Authored and Committed by Tim Crawford 5 years ago
    Handle poisoned mappings when getting page inode
    
    Linux 4.5 changed compound page tail mappings from being NULL to being
    a poisoned value. Check for this poisoned value if it's defined.
    
    Resolves: #40
    
        
file modified
+5 -1