[src/trunk]: src/sys/kern Reorder for clarity, and localify pool_allocator_bi...

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/782a0ec8f6ca
branches:  trunk
changeset: 454126:782a0ec8f6ca
user:      maxv <maxv%NetBSD.org@localhost>
date:      Fri Sep 06 09:19:06 2019 +0000

description:
Reorder for clarity, and localify pool_allocator_big[], should not be used
outside.

diffstat:

 sys/kern/subr_pool.c |  148 +++++++++++++++++++++++++-------------------------
 1 files changed, 73 insertions(+), 75 deletions(-)

diffs (186 lines):

diff -r ff82cc8f54da -r 782a0ec8f6ca sys/kern/subr_pool.c
--- a/sys/kern/subr_pool.c      Fri Sep 06 06:44:45 2019 +0000
+++ b/sys/kern/subr_pool.c      Fri Sep 06 09:19:06 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: subr_pool.c,v 1.257 2019/08/26 10:35:35 maxv Exp $     */
+/*     $NetBSD: subr_pool.c,v 1.258 2019/09/06 09:19:06 maxv Exp $     */
 
 /*
  * Copyright (c) 1997, 1999, 2000, 2002, 2007, 2008, 2010, 2014, 2015, 2018
@@ -33,7 +33,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.257 2019/08/26 10:35:35 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.258 2019/09/06 09:19:06 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_ddb.h"
@@ -130,10 +130,37 @@
 #define pc_has_dtor(pc) \
        (pc->pc_dtor != (void (*)(void *, void *))nullop)
 
+/*
+ * Pool backend allocators.
+ *
+ * Each pool has a backend allocator that handles allocation, deallocation,
+ * and any additional draining that might be needed.
+ *
+ * We provide two standard allocators:
+ *
+ *     pool_allocator_kmem - the default when no allocator is specified
+ *
+ *     pool_allocator_nointr - used for pools that will not be accessed
+ *     in interrupt context.
+ */
+void *pool_page_alloc(struct pool *, int);
+void pool_page_free(struct pool *, void *);
+
 static void *pool_page_alloc_meta(struct pool *, int);
 static void pool_page_free_meta(struct pool *, void *);
 
-/* allocator for pool metadata */
+struct pool_allocator pool_allocator_kmem = {
+       .pa_alloc = pool_page_alloc,
+       .pa_free = pool_page_free,
+       .pa_pagesz = 0
+};
+
+struct pool_allocator pool_allocator_nointr = {
+       .pa_alloc = pool_page_alloc,
+       .pa_free = pool_page_free,
+       .pa_pagesz = 0
+};
+
 struct pool_allocator pool_allocator_meta = {
        .pa_alloc = pool_page_alloc_meta,
        .pa_free = pool_page_free_meta,
@@ -141,7 +168,49 @@
 };
 
 #define POOL_ALLOCATOR_BIG_BASE 13
-extern struct pool_allocator pool_allocator_big[];
+static struct pool_allocator pool_allocator_big[] = {
+       {
+               .pa_alloc = pool_page_alloc,
+               .pa_free = pool_page_free,
+               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 0),
+       },
+       {
+               .pa_alloc = pool_page_alloc,
+               .pa_free = pool_page_free,
+               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 1),
+       },
+       {
+               .pa_alloc = pool_page_alloc,
+               .pa_free = pool_page_free,
+               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 2),
+       },
+       {
+               .pa_alloc = pool_page_alloc,
+               .pa_free = pool_page_free,
+               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 3),
+       },
+       {
+               .pa_alloc = pool_page_alloc,
+               .pa_free = pool_page_free,
+               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 4),
+       },
+       {
+               .pa_alloc = pool_page_alloc,
+               .pa_free = pool_page_free,
+               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 5),
+       },
+       {
+               .pa_alloc = pool_page_alloc,
+               .pa_free = pool_page_free,
+               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 6),
+       },
+       {
+               .pa_alloc = pool_page_alloc,
+               .pa_free = pool_page_free,
+               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 7),
+       }
+};
+
 static int pool_bigidx(size_t);
 
 /* # of seconds to retain page after last use */
@@ -2740,77 +2809,6 @@
        splx(s);
 }
 
-/*
- * Pool backend allocators.
- *
- * Each pool has a backend allocator that handles allocation, deallocation,
- * and any additional draining that might be needed.
- *
- * We provide two standard allocators:
- *
- *     pool_allocator_kmem - the default when no allocator is specified
- *
- *     pool_allocator_nointr - used for pools that will not be accessed
- *     in interrupt context.
- */
-void   *pool_page_alloc(struct pool *, int);
-void   pool_page_free(struct pool *, void *);
-
-struct pool_allocator pool_allocator_kmem = {
-       .pa_alloc = pool_page_alloc,
-       .pa_free = pool_page_free,
-       .pa_pagesz = 0
-};
-
-struct pool_allocator pool_allocator_nointr = {
-       .pa_alloc = pool_page_alloc,
-       .pa_free = pool_page_free,
-       .pa_pagesz = 0
-};
-
-struct pool_allocator pool_allocator_big[] = {
-       {
-               .pa_alloc = pool_page_alloc,
-               .pa_free = pool_page_free,
-               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 0),
-       },
-       {
-               .pa_alloc = pool_page_alloc,
-               .pa_free = pool_page_free,
-               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 1),
-       },
-       {
-               .pa_alloc = pool_page_alloc,
-               .pa_free = pool_page_free,
-               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 2),
-       },
-       {
-               .pa_alloc = pool_page_alloc,
-               .pa_free = pool_page_free,
-               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 3),
-       },
-       {
-               .pa_alloc = pool_page_alloc,
-               .pa_free = pool_page_free,
-               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 4),
-       },
-       {
-               .pa_alloc = pool_page_alloc,
-               .pa_free = pool_page_free,
-               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 5),
-       },
-       {
-               .pa_alloc = pool_page_alloc,
-               .pa_free = pool_page_free,
-               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 6),
-       },
-       {
-               .pa_alloc = pool_page_alloc,
-               .pa_free = pool_page_free,
-               .pa_pagesz = 1 << (POOL_ALLOCATOR_BIG_BASE + 7),
-       }
-};
-
 static int
 pool_bigidx(size_t size)
 {