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63b4209482
Replace the direct comparison with (void *)-1 with the standard MAP_FAILED macro when checking mmap() Link: https://lore.kernel.org/20260720063439.522-1-yanlonglong@kylinos.cn Signed-off-by: longlong yan <yanlonglong@kylinos.cn> Reviewed-by: Lorenzo Stoakes (ARM) <ljs@kernel.org> Acked-by: David Hildenbrand (Arm) <david@kernel.org> Cc: Liam R. Howlett <liam@infradead.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>