Commit 4033e76a7abd for kernel

commit 4033e76a7abd102eaa84d7adc232f53b9da8709a
Author: Wan Jiabing <wanjiabing@vivo.com>
Date:   Wed Mar 31 09:28:50 2021 +0800

    parisc: Remove duplicate struct task_struct declaration

    struct task_struct is declared twice. One has been declared
    at 154th line. Remove the duplicate.

    Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
    Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
index 11ece0d07374..b5fbcd2c1780 100644
--- a/arch/parisc/include/asm/processor.h
+++ b/arch/parisc/include/asm/processor.h
@@ -272,7 +272,6 @@ on downward growing arches, it looks like this:
 	regs->gr[23] = 0;				\
 } while(0)

-struct task_struct;
 struct mm_struct;

 /* Free all resources held by a thread. */