diff options
| author | Richard Braun <rbraun@sceen.net> | 2012-12-07 20:29:45 +0100 |
|---|---|---|
| committer | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-08-28 15:48:04 +0200 |
| commit | 3d7a59680e7d500de23403ade0f5d07adaa9f229 (patch) | |
| tree | 3927cc70503e895a08aa95d0e5f21fdbda910872 /kern/slab.h | |
| parent | 89ea8fc44d2e07f9611c65a1181cec2bb80d29c2 (diff) | |
kern/slab: rework buffer-to-slab lookup
Instead of using a red-black tree, rely on the VM system to store kmem
specific private data.
Diffstat (limited to 'kern/slab.h')
| -rw-r--r-- | kern/slab.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/kern/slab.h b/kern/slab.h index bbd9d41..64daa61 100644 --- a/kern/slab.h +++ b/kern/slab.h @@ -50,7 +50,6 @@ #include <cache.h> #include <kern/lock.h> #include <kern/list.h> -#include <kern/rbtree.h> #include <mach/machine/vm_types.h> #include <sys/types.h> #include <vm/vm_types.h> @@ -120,8 +119,7 @@ struct kmem_buftag { * Page-aligned collection of unconstructed buffers. */ struct kmem_slab { - struct list list_node; - struct rbtree_node tree_node; + struct list node; unsigned long nr_refs; union kmem_bufctl *first_free; void *addr; @@ -162,7 +160,7 @@ typedef void (*kmem_slab_free_fn_t)(vm_offset_t, vm_size_t); #define KMEM_CF_NO_CPU_POOL 0x1 /* CPU pool layer disabled */ #define KMEM_CF_SLAB_EXTERNAL 0x2 /* Slab data is off slab */ #define KMEM_CF_VERIFY 0x4 /* Debugging facilities enabled */ -#define KMEM_CF_DIRECT 0x8 /* No buf-to-slab tree lookup */ +#define KMEM_CF_DIRECT 0x8 /* Quick buf-to-slab lookup */ /* * Cache of objects. @@ -185,7 +183,6 @@ struct kmem_cache { struct list node; /* Cache list linkage */ struct list partial_slabs; struct list free_slabs; - struct rbtree active_slabs; int flags; size_t bufctl_dist; /* Distance from buffer to bufctl */ size_t slab_size; |