注释错误，此处的场景是zone满了，不是空了

wfwzhxd · web-flow · commit f7d198463e9b · 2021-05-15T21:57:01.000+08:00
diff --git a/src/slab.c b/src/slab.c
@@ -540,7 +540,7 @@ void *rt_malloc(rt_size_t size)
     {
         RT_ASSERT(z->z_nfree > 0);
 
-        /* Remove us from the zone_array[] when we become empty */
+        /* Remove us from the zone_array[] when we become full */
         if (--z->z_nfree == 0)
         {
             zone_array[zi] = z->z_next;

Original file line number	Diff line number	Diff line change
`@@ -540,7 +540,7 @@ void *rt_malloc(rt_size_t size)`
`540`	`540`	`{`
`541`	`541`	`RT_ASSERT(z->z_nfree > 0);`
`542`	`542`
`543`		`- /* Remove us from the zone_array[] when we become empty */`
	`543`	`+ /* Remove us from the zone_array[] when we become full */`
`544`	`544`	`if (--z->z_nfree == 0)`
`545`	`545`	`{`
`546`	`546`	`zone_array[zi] = z->z_next;`