From 68d3b7d58237b8794d9343210d4c90b8381cfa96 Mon Sep 17 00:00:00 2001 From: Sang-Heon Jeon Date: Wed, 1 Jul 2026 00:04:07 +0900 Subject: [PATCH] LoongArch: remove unreachable invalid range check in kasan_init() kasan_init() populates the linear mapping shadow with for_each_mem_range() and breaks the loop when start >= end. for_each_mem_range() never returns an invalid range, so start < end always. Therefore the start >= end check is unreachable, so remove it. No functional change. Signed-off-by: Sang-Heon Jeon Reviewed-by: Andrey Ryabinin Link: https://patch.msgid.link/20260630150413.1718632-3-ekffu200098@gmail.com Signed-off-by: Mike Rapoport (Microsoft) --- arch/loongarch/mm/kasan_init.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/loongarch/mm/kasan_init.c b/arch/loongarch/mm/kasan_init.c index 0fc02ca06457..92ca0ba86406 100644 --- a/arch/loongarch/mm/kasan_init.c +++ b/arch/loongarch/mm/kasan_init.c @@ -305,9 +305,6 @@ void __init kasan_init(void) void *start = (void *)phys_to_virt(pa_start); void *end = (void *)phys_to_virt(pa_end); - if (start >= end) - break; - kasan_map_populate((unsigned long)mem_to_shadow(start), (unsigned long)mem_to_shadow(end), NUMA_NO_NODE); }