alnoconfig complains:
arch/x86/kernel/setup.c: In function ‘setup_arch’:
arch/x86/kernel/setup.c:917: error: implicit declaration of function
‘early_parse_srat’
because early_parse_srat is not declared for !CONFIG_ACPI. Moreover it
is defined only for CONFIG_ACPI_NUMA.
I am not sure what is the correct way to fix this but I guess that
providing an empty definition for !CONFIG_ACPI_NUMA is OK.
Cc: Tang Chen <tangc...@cn.fujitsu.com>
Cc: Wen Congyang <we...@cn.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motoh...@jp.fujitsu.com>
Cc: Jiang Liu <jiang....@huawei.com>
Cc: Jianguo Wu <wujian...@huawei.com>
Cc: Kamezawa Hiroyuki <kamezawa.hir...@jp.fujitsu.com>
Cc: Lai Jiangshan <la...@cn.fujitsu.com>
Cc: Wu Jianguo <wujian...@huawei.com>
Cc: Yasuaki Ishimatsu <isimatu.yasu...@jp.fujitsu.com>
Cc: Ingo Molnar <mi...@elte.hu>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: "H. Peter Anvin" <h...@zytor.com>
Cc: Len Brown <l...@kernel.org>
Cc: "Brown, Len" <len.br...@intel.com>
Signed-off-by: Michal Hocko <mho...@suse.cz>
---
include/linux/acpi.h | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index b29e0aa..4c66ac0 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -83,7 +83,6 @@ int acpi_boot_init (void);
void acpi_boot_table_init (void);
int acpi_mps_check (void);
int acpi_numa_init (void);
-void __init early_parse_srat(void);
int acpi_table_init (void);
int acpi_table_parse (char *id, acpi_table_handler handler);
@@ -421,6 +420,14 @@ static inline int acpi_nvs_for_each_region(int
(*func)(__u64, __u64, void *),
#endif /* !CONFIG_ACPI */
+#ifdef CONFIG_ACPI_NUMA
+void __init early_parse_srat(void);
+#else
+static inline void early_parse_srat(void)
+{
+}
+#endif
+
#ifdef CONFIG_ACPI
void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
u32 pm1a_ctrl, u32 pm1b_ctrl));
--
1.7.10.4
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