From b02064a9b8134e1aac4e891abf72139ca0b126ee Mon Sep 17 00:00:00 2001 From: Michael Holzheu Date: Thu, 3 Sep 2015 11:57:56 +0200 Subject: [PATCH] s390/numa: write kernel message when emu_size has been increased Signed-off-by: Michael Holzheu Signed-off-by: Martin Schwidefsky --- arch/s390/numa/mode_emu.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/s390/numa/mode_emu.c b/arch/s390/numa/mode_emu.c index 30b2698a28e2..828d0695d0d4 100644 --- a/arch/s390/numa/mode_emu.c +++ b/arch/s390/numa/mode_emu.c @@ -436,9 +436,15 @@ static void emu_update_cpu_topology(void) */ static unsigned long emu_setup_size_adjust(unsigned long size) { + unsigned long size_new; + size = size ? : CONFIG_EMU_SIZE; - size = roundup(size, memory_block_size_bytes()); - return size; + size_new = roundup(size, memory_block_size_bytes()); + if (size_new == size) + return size; + pr_warn("Increasing memory stripe size from %ld MB to %ld MB\n", + size >> 20, size_new >> 20); + return size_new; } /*