From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Subject: powerpc: convert to setup_initial_init_mm() Use setup_initial_init_mm() helper to simplify code. Note klimit is (unsigned long) _end, with new helper, will use _end directly. Link: https://lkml.kernel.org/r/20210608083418.137226-12-wangkefeng.wang@xxxxxxxxxx Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: Souptick Joarder <jrdr.linux@xxxxxxxxx> Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/powerpc/kernel/setup-common.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) --- a/arch/powerpc/kernel/setup-common.c~powerpc-convert-to-setup_initial_init_mm +++ a/arch/powerpc/kernel/setup-common.c @@ -926,10 +926,7 @@ void __init setup_arch(char **cmdline_p) klp_init_thread_info(&init_task); - init_mm.start_code = (unsigned long)_stext; - init_mm.end_code = (unsigned long) _etext; - init_mm.end_data = (unsigned long) _edata; - init_mm.brk = (unsigned long)_end; + setup_initial_init_mm(_stext, _etext, _edata, _end); mm_iommu_init(&init_mm); irqstack_early_init(); _