The patch titled Subject: mm/memblock.c: use dump_stack() instead of WARN_ON_ONCE for the alignment checks has been removed from the -mm tree. Its filename was memblock-warn-if-zero-alignment-was-requested-fix.patch This patch was dropped because it was folded into memblock-warn-if-zero-alignment-was-requested.patch ------------------------------------------------------ From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Subject: mm/memblock.c: use dump_stack() instead of WARN_ON_ONCE for the alignment checks Using WARN_ON_ONCE too early causes the PowerPC kernel to fail. Link: http://lkml.kernel.org/r/20181016131927.6ceba6ab@xxxxxxxxxxxxxxxx Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Cc: Guenter Roeck <linux@xxxxxxxxxxxx> Cc: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memblock.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- a/mm/memblock.c~memblock-warn-if-zero-alignment-was-requested-fix +++ a/mm/memblock.c @@ -1247,8 +1247,10 @@ static phys_addr_t __init memblock_alloc { phys_addr_t found; - if (WARN_ON_ONCE(!align)) + if (!align) { + dump_stack(); align = SMP_CACHE_BYTES; + } found = memblock_find_in_range_node(size, align, start, end, nid, flags); @@ -1372,8 +1374,10 @@ static void * __init memblock_alloc_inte if (WARN_ON_ONCE(slab_is_available())) return kzalloc_node(size, GFP_NOWAIT, nid); - if (WARN_ON_ONCE(!align)) + if (!align) { + dump_stack(); align = SMP_CACHE_BYTES; + } if (max_addr > memblock.current_limit) max_addr = memblock.current_limit; _ Patches currently in -mm which might be from sfr@xxxxxxxxxxxxxxxx are memblock-warn-if-zero-alignment-was-requested.patch