[PATCH for_v31 2/6] x86/sgx: Remove unnecessary globals after merging reclaim.c into main.c

[Sean Christopherson <sean.j.christopherson@intel.com>]

Make all variables that are only used in main.c static, rearranging code
as needed.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/kernel/cpu/sgx/main.c | 16 ++++++----------
 arch/x86/kernel/cpu/sgx/sgx.h  |  3 ---
 2 files changed, 6 insertions(+), 13 deletions(-)

diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index 5043d3700960b..ef7061bfa2a07 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -14,9 +14,12 @@
 #include "encls.h"
 
 static struct task_struct *ksgxswapd_tsk;
-DECLARE_WAIT_QUEUE_HEAD(ksgxswapd_waitq);
-LIST_HEAD(sgx_active_page_list);
-DEFINE_SPINLOCK(sgx_active_page_list_lock);
+static DECLARE_WAIT_QUEUE_HEAD(ksgxswapd_waitq);
+static LIST_HEAD(sgx_active_page_list);
+static DEFINE_SPINLOCK(sgx_active_page_list_lock);
+
+struct sgx_epc_section sgx_epc_sections[SGX_MAX_EPC_SECTIONS];
+static int sgx_nr_epc_sections;
 
 static void sgx_sanitize_section(struct sgx_epc_section *section)
 {
@@ -45,10 +48,6 @@ static void sgx_sanitize_section(struct sgx_epc_section *section)
 	}
 }
 
-extern struct task_struct *ksgxswapd_tsk;
-extern struct wait_queue_head(ksgxswapd_waitq);
-extern spinlock_t sgx_active_page_list_lock;
-
 static unsigned long sgx_nr_free_pages(void)
 {
 	unsigned long cnt = 0;
@@ -491,9 +490,6 @@ void sgx_reclaim_pages(void)
 	}
 }
 
-struct sgx_epc_section sgx_epc_sections[SGX_MAX_EPC_SECTIONS];
-int sgx_nr_epc_sections;
-
 static struct sgx_epc_page *__sgx_alloc_epc_page_from_section(struct sgx_epc_section *section)
 {
 	struct sgx_epc_page *page;
diff --git a/arch/x86/kernel/cpu/sgx/sgx.h b/arch/x86/kernel/cpu/sgx/sgx.h
index 923028d568540..5b9dbcef981b0 100644
--- a/arch/x86/kernel/cpu/sgx/sgx.h
+++ b/arch/x86/kernel/cpu/sgx/sgx.h
@@ -41,14 +41,11 @@ struct sgx_epc_section {
 #define SGX_NR_LOW_PAGES		32
 #define SGX_NR_HIGH_PAGES		64
 
-extern struct list_head sgx_active_page_list;
-
 void sgx_mark_page_reclaimable(struct sgx_epc_page *page);
 int sgx_unmark_page_reclaimable(struct sgx_epc_page *page);
 void sgx_reclaim_pages(void);
 
 extern struct sgx_epc_section sgx_epc_sections[SGX_MAX_EPC_SECTIONS];
-extern int sgx_nr_epc_sections;
 
 static inline struct sgx_epc_section *sgx_get_epc_section(
 		struct sgx_epc_page *page)
-- 
2.26.0