linux-master/mm/slub.c

34 #include <linux/memory.h>
63  *   Also synchronizes memory hotplug callbacks.
452  * differ during memory hotplug/hotremove operations.
526  * memory chunk in the freelist. In that case this_cpu_cmpxchg_double() in
531  * get_freepointer_safe() returns initialized memory.
824  * slub is about to manipulate internal object metadata.  This memory lies
2147  * Hooks for other subsystems that check memory allocations. In a typical
2173 	 * As memory initialization might be integrated into KASAN,
2194 	/* KASAN might put x into memory quarantine, delaying its reuse. */
2420 	 * Let the initial higher-order allocation fail under memory pressure
2629 		 * freshly allocated slab, but a concurrent memory
3368 	pr_warn("SLUB: Unable to allocate memory on node %d, gfp=%#x(%pGg)\n",
3512 		 * if the node is not online or has no normal memory, just
3910 	 * For kmalloc object, the allocated memory size(object_size) is likely
3922 	 * When slab_debug is enabled, avoid memory initialization integrated
3923 	 * into KASAN and instead zero out the memory via the memset below with
3933 	 * As memory initialization might be integrated into KASAN,
4034  * Identical to kmem_cache_alloc but it will allocate memory on the given
4532  * kfree - free previously allocated memory
4712 			 * allocating memory, we should bump c->tid now.
4799 	 * memcg and kmem_cache debug support and memory initialization.
4993  * memory on a fresh node that has no slab structures yet.
5006 		pr_err("SLUB: Unable to allocate memory from node %d\n", node);
5637 	 * If the node still has available memory. we need kmem_cache_node
5662 	 * If the node's memory is already available, then kmem_cache_node is
5669 	 * We are bringing a node online. No memory is available yet. We must
5683 		 *      since memory is not yet available from the node that
6216 	 * slab_mem_going_offline_callback) here because slab's memory hot