Linpool: default allocation size

3 files changed, 9 insertions, 2 deletions

diff --git a/lib/flowspec_test.c b/lib/flowspec_test.c
index 36336104..69bc279d 100644
--- a/lib/flowspec_test.c
+++ b/lib/flowspec_test.c
@@ -401,7 +401,7 @@ t_builder4(void)
   resource_init();
 
   struct flow_builder *fb = flow_builder_init(&root_pool);
-  linpool *lp = lp_new(&root_pool, 4096);
+  linpool *lp = lp_new_default(&root_pool);
 
   /* Expectation */
 
@@ -482,7 +482,7 @@ t_builder6(void)
   net_addr_ip6 ip;
 
   resource_init();
-  linpool *lp = lp_new(&root_pool, 4096);
+  linpool *lp = lp_new_default(&root_pool);
   struct flow_builder *fb = flow_builder_init(&root_pool);
   fb->ipv6 = 1;
 
diff --git a/lib/mempool.c b/lib/mempool.c
index a8281041..3cf9c2d3 100644
--- a/lib/mempool.c
+++ b/lib/mempool.c
@@ -32,6 +32,8 @@ struct lp_chunk {
   byte data[0];
 };
 
+const int lp_chunk_size = sizeof(struct lp_chunk);
+
 struct linpool {
   resource r;
   byte *ptr, *end;
diff --git a/lib/resource.h b/lib/resource.h
index 1a0568b4..761c6adc 100644
--- a/lib/resource.h
+++ b/lib/resource.h
@@ -65,6 +65,11 @@ void *lp_allocu(linpool *, unsigned size);	/* Unaligned */
 void *lp_allocz(linpool *, unsigned size);	/* With clear */
 void lp_flush(linpool *);			/* Free everything, but leave linpool */
 
+extern const int lp_chunk_size;
+#define LP_GAS		    1024
+#define LP_GOOD_SIZE(x)	    (((x + LP_GAS - 1) & (~(LP_GAS - 1))) - lp_chunk_size)
+#define lp_new_default(p)   lp_new(p, LP_GOOD_SIZE(LP_GAS*4))
+
 /* Slabs */
 
 typedef struct slab slab;