* All object allocations for a node occur from node specific slab lists.
*/
-#include <linux/config.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/poison.h>
static void free_block(struct kmem_cache *cachep, void **objpp, int len,
int node);
static int enable_cpucache(struct kmem_cache *cachep);
-static void cache_reap(void *unused);
+static void cache_reap(struct work_struct *unused);
/*
* This function must be completely optimized away if a constant is passed to
return g_cpucache_up == FULL;
}
-static DEFINE_PER_CPU(struct work_struct, reap_work);
+static DEFINE_PER_CPU(struct delayed_work, reap_work);
static inline struct array_cache *cpu_cache_get(struct kmem_cache *cachep)
{
if (node == MAX_NUMNODES)
node = first_node(node_online_map);
- __get_cpu_var(reap_node) = node;
+ per_cpu(reap_node, cpu) = node;
}
static void next_reap_node(void)
*/
static void __devinit start_cpu_timer(int cpu)
{
- struct work_struct *reap_work = &per_cpu(reap_work, cpu);
+ struct delayed_work *reap_work = &per_cpu(reap_work, cpu);
/*
* When this gets called from do_initcalls via cpucache_init(),
* init_workqueues() has already run, so keventd will be setup
* at that time.
*/
- if (keventd_up() && reap_work->func == NULL) {
+ if (keventd_up() && reap_work->work.func == NULL) {
init_reap_node(cpu);
- INIT_WORK(reap_work, cache_reap, NULL);
+ INIT_DELAYED_WORK(reap_work, cache_reap);
schedule_delayed_work_on(cpu, reap_work, HZ + 3 * cpu);
}
}
int nodeid = slabp->nodeid;
struct kmem_list3 *l3;
struct array_cache *alien = NULL;
+ int node;
+
+ node = numa_node_id();
/*
* Make sure we are not freeing a object from another node to the array
* cache on this cpu.
*/
- if (likely(slabp->nodeid == numa_node_id()))
+ if (likely(slabp->nodeid == node))
return 0;
- l3 = cachep->nodelists[numa_node_id()];
+ l3 = cachep->nodelists[node];
STATS_INC_NODEFREES(cachep);
if (l3->alien && l3->alien[nodeid]) {
alien = l3->alien[nodeid];
{
struct kmem_list3 *ptr;
- BUG_ON(cachep->nodelists[nodeid] != list);
ptr = kmalloc_node(sizeof(struct kmem_list3), GFP_KERNEL, nodeid);
BUG_ON(!ptr);
struct cache_names *names;
int i;
int order;
+ int node;
for (i = 0; i < NUM_INIT_LISTS; i++) {
kmem_list3_init(&initkmem_list3[i]);
* 6) Resize the head arrays of the kmalloc caches to their final sizes.
*/
+ node = numa_node_id();
+
/* 1) create the cache_cache */
INIT_LIST_HEAD(&cache_chain);
list_add(&cache_cache.next, &cache_chain);
cache_cache.colour_off = cache_line_size();
cache_cache.array[smp_processor_id()] = &initarray_cache.cache;
- cache_cache.nodelists[numa_node_id()] = &initkmem_list3[CACHE_CACHE];
+ cache_cache.nodelists[node] = &initkmem_list3[CACHE_CACHE];
cache_cache.buffer_size = ALIGN(cache_cache.buffer_size,
cache_line_size());
}
/* 5) Replace the bootstrap kmem_list3's */
{
- int node;
+ int nid;
+
/* Replace the static kmem_list3 structures for the boot cpu */
- init_list(&cache_cache, &initkmem_list3[CACHE_CACHE],
- numa_node_id());
+ init_list(&cache_cache, &initkmem_list3[CACHE_CACHE], node);
- for_each_online_node(node) {
+ for_each_online_node(nid) {
init_list(malloc_sizes[INDEX_AC].cs_cachep,
- &initkmem_list3[SIZE_AC + node], node);
+ &initkmem_list3[SIZE_AC + nid], nid);
if (INDEX_AC != INDEX_L3) {
init_list(malloc_sizes[INDEX_L3].cs_cachep,
- &initkmem_list3[SIZE_L3 + node],
- node);
+ &initkmem_list3[SIZE_L3 + nid], nid);
}
}
}
if (flags & SLAB_RED_ZONE || flags & SLAB_STORE_USER)
ralign = BYTES_PER_WORD;
- /* 2) arch mandated alignment: disables debug if necessary */
+ /* 2) arch mandated alignment */
if (ralign < ARCH_SLAB_MINALIGN) {
ralign = ARCH_SLAB_MINALIGN;
- if (ralign > BYTES_PER_WORD)
- flags &= ~(SLAB_RED_ZONE | SLAB_STORE_USER);
}
- /* 3) caller mandated alignment: disables debug if necessary */
+ /* 3) caller mandated alignment */
if (ralign < align) {
ralign = align;
- if (ralign > BYTES_PER_WORD)
- flags &= ~(SLAB_RED_ZONE | SLAB_STORE_USER);
}
+ /* disable debug if necessary */
+ if (ralign > BYTES_PER_WORD)
+ flags &= ~(SLAB_RED_ZONE | SLAB_STORE_USER);
/*
* 4) Store it.
*/
int batchcount;
struct kmem_list3 *l3;
struct array_cache *ac;
+ int node;
+
+ node = numa_node_id();
check_irq_off();
ac = cpu_cache_get(cachep);
*/
batchcount = BATCHREFILL_LIMIT;
}
- l3 = cachep->nodelists[numa_node_id()];
+ l3 = cachep->nodelists[node];
BUG_ON(ac->avail > 0 || !l3);
spin_lock(&l3->list_lock);
STATS_SET_HIGH(cachep);
ac->entry[ac->avail++] = slab_get_obj(cachep, slabp,
- numa_node_id());
+ node);
}
check_slabp(cachep, slabp);
if (unlikely(!ac->avail)) {
int x;
- x = cache_grow(cachep, flags, numa_node_id());
+ x = cache_grow(cachep, flags, node);
/* cache_grow can reenable interrupts, then ac could change. */
ac = cpu_cache_get(cachep);
cachep->ctor(objp, cachep, ctor_flags);
}
+#if ARCH_SLAB_MINALIGN
+ if ((u32)objp & (ARCH_SLAB_MINALIGN-1)) {
+ printk(KERN_ERR "0x%p: not aligned to ARCH_SLAB_MINALIGN=%d\n",
+ objp, ARCH_SLAB_MINALIGN);
+ }
+#endif
return objp;
}
#else
struct zone **z;
void *obj = NULL;
- for (z = zonelist->zones; *z && !obj; z++)
+ for (z = zonelist->zones; *z && !obj; z++) {
+ int nid = zone_to_nid(*z);
+
if (zone_idx(*z) <= ZONE_NORMAL &&
- cpuset_zone_allowed(*z, flags))
+ cpuset_zone_allowed(*z, flags) &&
+ cache->nodelists[nid])
obj = __cache_alloc_node(cache,
- flags | __GFP_THISNODE,
- zone_to_nid(*z));
+ flags | __GFP_THISNODE, nid);
+ }
return obj;
}
}
+#ifdef CONFIG_DEBUG_SLAB
void *__kmalloc(size_t size, gfp_t flags)
{
-#ifndef CONFIG_DEBUG_SLAB
- return __do_kmalloc(size, flags, NULL);
-#else
return __do_kmalloc(size, flags, __builtin_return_address(0));
-#endif
}
EXPORT_SYMBOL(__kmalloc);
-#ifdef CONFIG_DEBUG_SLAB
void *__kmalloc_track_caller(size_t size, gfp_t flags, void *caller)
{
return __do_kmalloc(size, flags, caller);
}
EXPORT_SYMBOL(__kmalloc_track_caller);
+
+#else
+void *__kmalloc(size_t size, gfp_t flags)
+{
+ return __do_kmalloc(size, flags, NULL);
+}
+EXPORT_SYMBOL(__kmalloc);
#endif
/**
* If we cannot acquire the cache chain mutex then just give up - we'll try
* again on the next iteration.
*/
-static void cache_reap(void *unused)
+static void cache_reap(struct work_struct *unused)
{
struct kmem_cache *searchp;
struct kmem_list3 *l3;
git.openpandora.org / pandora-kernel.git / blobdiff