mm: numa_memblks: make several functions and variables static

Make functions and variables that are exclusively used by numa_memblks
static.

Move numa_nodemask_from_meminfo() before its callers to avoid forward
declaration.

Link: https://lkml.kernel.org/r/20240807064110.1003856-22-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Tested-by: Zi Yan <ziy@nvidia.com> # for x86_64 and arm64
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> [arm64 + CXL via QEMU]
Acked-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Rob Herring (Arm) <robh@kernel.org>
Cc: Samuel Holland <samuel.holland@sifive.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/numa_memblks.h b/include/linux/numa_memblks.h
index 07381320848f9b0bbd09a27737605aaa9994f9a5..5c6e12ad0b7a2e5074a392d01e836afdcaad0871 100644 (file)
--- a/include/linux/numa_memblks.h
+++ b/include/linux/numa_memblks.h
@@ -7,7 +7,6 @@
 
 #define NR_NODE_MEMBLKS                (MAX_NUMNODES * 2)
 
-extern int numa_distance_cnt;
 void __init numa_set_distance(int from, int to, int distance);
 void __init numa_reset_distance(void);
 
@@ -22,17 +21,10 @@ struct numa_meminfo {
        struct numa_memblk      blk[NR_NODE_MEMBLKS];
 };
 
-extern struct numa_meminfo numa_meminfo __initdata_or_meminfo;
-extern struct numa_meminfo numa_reserved_meminfo __initdata_or_meminfo;
-
 int __init numa_add_memblk(int nodeid, u64 start, u64 end);
 void __init numa_remove_memblk_from(int idx, struct numa_meminfo *mi);
 
 int __init numa_cleanup_meminfo(struct numa_meminfo *mi);
-int __init numa_register_meminfo(struct numa_meminfo *mi);
-
-void __init numa_nodemask_from_meminfo(nodemask_t *nodemask,
-                                      const struct numa_meminfo *mi);
 
 int __init numa_memblks_init(int (*init_func)(void),
                             bool memblock_force_top_down);

diff --git a/mm/numa_memblks.c b/mm/numa_memblks.c
index 7749b6f6b250b10a4e2ad5510846acb7e96bc373..e97665a5e8ce8291cde256875b0831fd4c82ba6a 100644 (file)
--- a/mm/numa_memblks.c
+++ b/mm/numa_memblks.c
@@ -7,13 +7,27 @@
 #include <linux/numa.h>
 #include <linux/numa_memblks.h>
 
-int numa_distance_cnt;
+static int numa_distance_cnt;
 static u8 *numa_distance;
 
 nodemask_t numa_nodes_parsed __initdata;
 
-struct numa_meminfo numa_meminfo __initdata_or_meminfo;
-struct numa_meminfo numa_reserved_meminfo __initdata_or_meminfo;
+static struct numa_meminfo numa_meminfo __initdata_or_meminfo;
+static struct numa_meminfo numa_reserved_meminfo __initdata_or_meminfo;
+
+/*
+ * Set nodes, which have memory in @mi, in *@nodemask.
+ */
+static void __init numa_nodemask_from_meminfo(nodemask_t *nodemask,
+                                             const struct numa_meminfo *mi)
+{
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(mi->blk); i++)
+               if (mi->blk[i].start != mi->blk[i].end &&
+                   mi->blk[i].nid != NUMA_NO_NODE)
+                       node_set(mi->blk[i].nid, *nodemask);
+}
 
 /**
  * numa_reset_distance - Reset NUMA distance table
@@ -290,20 +304,6 @@ int __init numa_cleanup_meminfo(struct numa_meminfo *mi)
        return 0;
 }
 
-/*
- * Set nodes, which have memory in @mi, in *@nodemask.
- */
-void __init numa_nodemask_from_meminfo(nodemask_t *nodemask,
-                                      const struct numa_meminfo *mi)
-{
-       int i;
-
-       for (i = 0; i < ARRAY_SIZE(mi->blk); i++)
-               if (mi->blk[i].start != mi->blk[i].end &&
-                   mi->blk[i].nid != NUMA_NO_NODE)
-                       node_set(mi->blk[i].nid, *nodemask);
-}
-
 /*
  * Mark all currently memblock-reserved physical memory (which covers the
  * kernel's own memory ranges) as hot-unswappable.
@@ -371,7 +371,7 @@ static void __init numa_clear_kernel_node_hotplug(void)
        }
 }
 
-int __init numa_register_meminfo(struct numa_meminfo *mi)
+static int __init numa_register_meminfo(struct numa_meminfo *mi)
 {
        int i;