From e63cf610ead18d5f8df0739a36cba57ccba43f6b Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Wed, 29 Sep 2021 13:54:04 +0100 Subject: [PATCH] arm64: mm: Drop pointless call to set_max_mapnr() set_max_mapnr() is an empty stub function if CONFIG_NUMA=y, otherwise it assigns to the 'max_mapnr' variable which is used to provide a generic pfn_valid() implementation if CONFIG_MMU=n. Since we don't support nommu on arm64, drop the pointless call to set_max_mapnr() from mem_init(). Link: https://lore.kernel.org/r/130a50d7-92fd-31fa-261e-f73dadcb4fcf@redhat.com Signed-off-by: Will Deacon --- arch/arm64/mm/init.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 37a81754d9b6..142125749783 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -416,8 +416,6 @@ void __init mem_init(void) else if (!xen_swiotlb_detect()) swiotlb_force = SWIOTLB_NO_FORCE; - set_max_mapnr(max_pfn - PHYS_PFN_OFFSET); - /* this will put all unused low memory onto the freelists */ memblock_free_all();