commit 35cf32831384d6088201321eadbd0e18b5350954
author Dou Liyang <douly.fnst@cn.fujitsu.com> Mon Jul 30 15:59:47 2018 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Fri Aug 17 21:03:47 2018 +0200
tree d2e6deca68da4c559be340a651365a36937467e9
parent 031e64661607551fc9832cbcc1544fa504208b05

x86/platform/UV: Mark memblock related init code and data correctly

commit 24cfd8ca1d28331b9dad3b88d1958c976b2cfab6 upstream.

parse_mem_block_size() and mem_block_size are only used during init. Mark
them accordingly.

Fixes: d7609f4210cb ("x86/platform/UV: Add kernel parameter to set memory block size")
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: hpa@zytor.com
Cc: Mike Travis <mike.travis@hpe.com>
Cc: Andrew Banman <andrew.banman@hpe.com>
Link: https://lkml.kernel.org/r/20180730075947.23023-1-douly.fnst@cn.fujitsu.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/x86/kernel/apic/x2apic_uv_x.c

diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index d492752..391f358 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -394,10 +394,10 @@
 EXPORT_SYMBOL(uv_hub_info_version);
 
 /* Default UV memory block size is 2GB */
-static unsigned long mem_block_size = (2UL << 30);
+static unsigned long mem_block_size __initdata = (2UL << 30);
 
 /* Kernel parameter to specify UV mem block size */
-static int parse_mem_block_size(char *ptr)
+static int __init parse_mem_block_size(char *ptr)
 {
 	unsigned long size = memparse(ptr, NULL);