PT_GR21           183 arch/parisc/include/asm/assembly.h 	STREG %r21, PT_GR21(\regs)
PT_GR21           217 arch/parisc/include/asm/assembly.h 	LDREG PT_GR21(\regs), %r21
PT_GR21           164 arch/parisc/kernel/asm-offsets.c 	DEFINE(PT_GR21, offsetof(struct pt_regs, gr[21]));