vm/vm_page: turn vm_page_ready into a function

2 files changed, 15 insertions, 9 deletions

diff --git a/vm/vm_page.c b/vm/vm_page.c
index 8ff703e..b3c5f8d 100644
--- a/vm/vm_page.c
+++ b/vm/vm_page.c
@@ -123,8 +123,7 @@ struct vm_page_boot_seg {
     phys_addr_t avail_end;
 };
 
-/* TODO Accessor */
-int vm_page_ready __read_mostly;
+static int vm_page_is_ready __read_mostly;
 
 /*
  * Segment lists, ordered by priority.
@@ -506,6 +505,12 @@ vm_page_load(const char *name, phys_addr_t start, phys_addr_t end,
     vm_page_segs_size++;
 }
 
+int
+vm_page_ready(void)
+{
+    return vm_page_is_ready;
+}
+
 phys_addr_t __init
 vm_page_bootalloc(void)
 {
@@ -585,7 +590,7 @@ vm_page_setup(void)
         va += PAGE_SIZE;
     }
 
-    vm_page_ready = 1;
+    vm_page_is_ready = 1;
 }
 
 void __init
diff --git a/vm/vm_page.h b/vm/vm_page.h
index c943be5..ddd0a23 100644
--- a/vm/vm_page.h
+++ b/vm/vm_page.h
@@ -39,12 +39,6 @@
 #define vm_page_aligned(addr)   P2ALIGNED(addr, PAGE_SIZE)
 
 /*
- * True if the vm_page module is completely initialized, false otherwise
- * (in which case only vm_page_bootalloc() can be used for allocations).
- */
-extern int vm_page_ready;
-
-/*
  * Page usage types.
  *
  * Types aren't actually used. They merely provide statistics and debugging
@@ -105,6 +99,13 @@ void vm_page_load(const char *name, phys_addr_t start, phys_addr_t end,
                   unsigned int seg_index, unsigned int seglist_prio);
 
 /*
+ * Return true if the vm_page module is completely initialized, false
+ * otherwise, in which case only vm_page_bootalloc() can be used for
+ * allocations.
+ */
+int vm_page_ready(void);
+
+/*
  * Allocate one physical page.
  *
  * This function is used to allocate physical memory at boot time, before the