s390/numa: write kernel message when emu_size has been increased
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/numa/mode_emu.c b/arch/s390/numa/mode_emu.c
index 30b2698a..828d069 100644
--- a/arch/s390/numa/mode_emu.c
+++ b/arch/s390/numa/mode_emu.c
@@ -436,9 +436,15 @@
*/
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;
}
/*
