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    Subject[PATCH 5.10 040/152] mm/process_vm_access.c: include compat.h
    Date
    From: Andrew Morton <akpm@linux-foundation.org>

    commit eb351d75ce1e75b4f793d609efac08426ca50acd upstream.

    Fix the build error:

    mm/process_vm_access.c:277:5: error: implicit declaration of function 'in_compat_syscall'; did you mean 'in_ia32_syscall'? [-Werror=implicit-function-declaration]

    Fixes: 38dc5079da7081e "Fix compat regression in process_vm_rw()"
    Reported-by: syzbot+5b0d0de84d6c65b8dd2b@syzkaller.appspotmail.com
    Cc: Kyle Huey <me@kylehuey.com>
    Cc: Jens Axboe <axboe@kernel.dk>
    Cc: Al Viro <viro@zeniv.linux.org.uk>
    Cc: Christoph Hellwig <hch@lst.de>
    Cc: <stable@vger.kernel.org>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    mm/process_vm_access.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/mm/process_vm_access.c
    +++ b/mm/process_vm_access.c
    @@ -9,6 +9,7 @@
    #include <linux/mm.h>
    #include <linux/uio.h>
    #include <linux/sched.h>
    +#include <linux/compat.h>
    #include <linux/sched/mm.h>
    #include <linux/highmem.h>
    #include <linux/ptrace.h>

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