The single caller (arch_remove_linear_mapping()) prints a proper warning when this function fails. No need to eventually crash the kernel - let's drop this WARN_ON. Suggested-by: Oscar Salvador <osalvador@xxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Rashmica Gupta <rashmica.g@xxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Mike Rapoport <rppt@xxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Oscar Salvador <osalvador@xxxxxxx> Cc: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx> Cc: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxx> Cc: Nicholas Piggin <npiggin@xxxxxxxxx> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> --- arch/powerpc/mm/book3s64/hash_utils.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c index 24702c0a92e0..d2dcb7757c68 100644 --- a/arch/powerpc/mm/book3s64/hash_utils.c +++ b/arch/powerpc/mm/book3s64/hash_utils.c @@ -845,7 +845,6 @@ int hash__remove_section_mapping(unsigned long start, unsigned long end) { int rc = htab_remove_mapping(start, end, mmu_linear_psize, mmu_kernel_ssize); - WARN_ON(rc < 0); if (resize_hpt_for_hotplug(memblock_phys_mem_size()) == -ENOSPC) pr_warn("Hash collision while resizing HPT\n"); -- 2.26.2