summaryrefslogtreecommitdiffstats
path: root/sys/kern/subr_blist.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/kern/subr_blist.c')
-rw-r--r--sys/kern/subr_blist.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/sys/kern/subr_blist.c b/sys/kern/subr_blist.c
index 788b5eb..5c45b81 100644
--- a/sys/kern/subr_blist.c
+++ b/sys/kern/subr_blist.c
@@ -52,14 +52,10 @@
* radix tree should be able to operate well no matter how much
* fragmentation there is and no matter how large a bitmap is used.
*
- * Unlike the rlist code, the blist code wires all necessary memory at
- * creation time. Neither allocations nor frees require interaction with
- * the memory subsystem. In contrast, the rlist code may allocate memory
- * on an rlist_free() call. The non-blocking features of the blist code
- * are used to great advantage in the swap code (vm/nswap_pager.c). The
- * rlist code uses a little less overall memory than the blist code (but
- * due to swap interleaving not all that much less), but the blist code
- * scales much, much better.
+ * The blist code wires all necessary memory at creation time. Neither
+ * allocations nor frees require interaction with the memory subsystem.
+ * The non-blocking features of the blist code are used in the swap code
+ * (vm/swap_pager.c).
*
* LAYOUT: The radix tree is layed out recursively using a
* linear array. Each meta node is immediately followed (layed out
OpenPOWER on IntegriCloud