From: Anton Blanchard Date: Wed, 15 Jul 2020 00:08:20 +0000 (+1000) Subject: pseries: Fix 64 bit logical memory block panic X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=89c140bbaeee7a55ed0360a88f294ead2b95201b;p=linux.git pseries: Fix 64 bit logical memory block panic Booting with a 4GB LMB size causes us to panic: qemu-system-ppc64: OS terminated: OS panic: Memory block size not suitable: 0x0 Fix pseries_memory_block_size() to handle 64 bit LMBs. Cc: stable@vger.kernel.org Signed-off-by: Anton Blanchard Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200715000820.1255764-1-anton@ozlabs.org --- diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index 73a5dcd977e11..5d545b78111f9 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -25,7 +25,7 @@ unsigned long pseries_memory_block_size(void) { struct device_node *np; - unsigned int memblock_size = MIN_MEMORY_BLOCK_SIZE; + u64 memblock_size = MIN_MEMORY_BLOCK_SIZE; struct resource r; np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");