its not quite an even trade, we lose some bytes still cos the
subr_tree code is a bit bigger than what RB_GENERATE produced. we'll
be ahead after the next conversion though.
ok?
Index: conf/files
===================================================================
RCS file: /cvs/src/sys/conf/files,v
retrieving revision 1.624
diff -u -p -r1.624 files
--- conf/files 13 Aug 2016 20:35:57 -0000 1.624
+++ conf/files 2 Sep 2016 13:36:22 -0000
@@ -694,6 +694,7 @@ file kern/subr_hibernate.c hibernate
file kern/subr_log.c
file kern/subr_poison.c diagnostic
file kern/subr_pool.c
+file kern/subr_tree.c
file kern/dma_alloc.c
file kern/subr_prf.c
file kern/subr_prof.c
Index: sys/tree.h
===================================================================
RCS file: /cvs/src/sys/sys/tree.h,v
retrieving revision 1.15
diff -u -p -r1.15 tree.h
--- sys/tree.h 2 Sep 2016 11:17:14 -0000 1.15
+++ sys/tree.h 2 Sep 2016 13:36:22 -0000
@@ -745,7 +745,7 @@ name##_RB_MINMAX(struct name *head, int
((x) != NULL) && ((y) = name##_RB_PREV(x), 1); \
(x) = (y))
-#if 0 && defined(_KERNEL)
+#ifdef _KERNEL
/*
* Copyright (c) 2016 David Gwynne <[email protected]>
Index: sys/pool.h
===================================================================
RCS file: /cvs/src/sys/sys/pool.h,v
retrieving revision 1.59
diff -u -p -r1.59 pool.h
--- sys/pool.h 21 Apr 2016 04:09:28 -0000 1.59
+++ sys/pool.h 2 Sep 2016 13:36:22 -0000
@@ -121,7 +121,7 @@ struct pool {
int pr_ipl;
- RB_HEAD(phtree, pool_item_header)
+ RBT_HEAD(phtree, pool_item_header)
pr_phtree;
u_int pr_align;
Index: kern/subr_pool.c
===================================================================
RCS file: /cvs/src/sys/kern/subr_pool.c,v
retrieving revision 1.194
diff -u -p -r1.194 subr_pool.c
--- kern/subr_pool.c 15 Jan 2016 11:21:58 -0000 1.194
+++ kern/subr_pool.c 2 Sep 2016 13:36:23 -0000
@@ -79,7 +79,7 @@ struct pool_item_header {
TAILQ_ENTRY(pool_item_header)
ph_pagelist; /* pool page list */
XSIMPLEQ_HEAD(,pool_item) ph_itemlist; /* chunk list for this page */
- RB_ENTRY(pool_item_header)
+ RBT_ENTRY(pool_item_header)
ph_node; /* Off-page page headers */
int ph_nmissing; /* # of chunks in use */
caddr_t ph_page; /* this page's address */
@@ -165,8 +165,11 @@ struct task pool_gc_task = TASK_INITIALI
int pool_wait_free = 1;
int pool_wait_gc = 8;
+RBT_PROTOTYPE(phtree, pool_item_header, ph_node, phtree_compare);
+
static inline int
-phtree_compare(struct pool_item_header *a, struct pool_item_header *b)
+phtree_compare(const struct pool_item_header *a,
+ const struct pool_item_header *b)
{
vaddr_t va = (vaddr_t)a->ph_page;
vaddr_t vb = (vaddr_t)b->ph_page;
@@ -180,8 +183,7 @@ phtree_compare(struct pool_item_header *
return (0);
}
-RB_PROTOTYPE(phtree, pool_item_header, ph_node, phtree_compare);
-RB_GENERATE(phtree, pool_item_header, ph_node, phtree_compare);
+RBT_GENERATE(phtree, pool_item_header, ph_node, phtree_compare);
/*
* Return the pool page header based on page address.
@@ -200,7 +202,7 @@ pr_find_pagehead(struct pool *pp, void *
}
key.ph_page = v;
- ph = RB_NFIND(phtree, &pp->pr_phtree, &key);
+ ph = RBT_NFIND(phtree, &pp->pr_phtree, &key);
if (ph == NULL)
panic("%s: %s: page header missing", __func__, pp->pr_wchan);
@@ -292,7 +294,7 @@ pool_init(struct pool *pp, size_t size,
pp->pr_hardlimit_ratecap.tv_usec = 0;
pp->pr_hardlimit_warning_last.tv_sec = 0;
pp->pr_hardlimit_warning_last.tv_usec = 0;
- RB_INIT(&pp->pr_phtree);
+ RBT_INIT(phtree, &pp->pr_phtree);
/*
* Use the space between the chunks and the page header
@@ -847,7 +849,7 @@ pool_p_insert(struct pool *pp, struct po
TAILQ_INSERT_TAIL(&pp->pr_emptypages, ph, ph_pagelist);
if (!POOL_INPGHDR(pp))
- RB_INSERT(phtree, &pp->pr_phtree, ph);
+ RBT_INSERT(phtree, &pp->pr_phtree, ph);
pp->pr_nitems += pp->pr_itemsperpage;
pp->pr_nidle++;
@@ -868,7 +870,7 @@ pool_p_remove(struct pool *pp, struct po
pp->pr_nitems -= pp->pr_itemsperpage;
if (!POOL_INPGHDR(pp))
- RB_REMOVE(phtree, &pp->pr_phtree, ph);
+ RBT_REMOVE(phtree, &pp->pr_phtree, ph);
TAILQ_REMOVE(&pp->pr_emptypages, ph, ph_pagelist);
pool_update_curpage(pp);
