linux-master/mm/slab_common.c

7 #include <linux/slab.h>
33 #include "slab.h"
49  * Set of flags that will prevent slab merging
59  * Merge control. If this is set then no merging of slab caches will occur.
82  * Determine the size of a slab object
137  * Find a mergeable slab cache
153 	 * We may have set a slab to be unmergeable during bootstrap.
260  * %SLAB_POISON - Poison the slab with a known test pattern (a5a5a5a5)
348 			panic("%s: Failed to create slab '%s'. Error %d\n",
374  * %SLAB_POISON - Poison the slab with a known test pattern (a5a5a5a5)
428 	 * @slab_caches_to_rcu_destroy list.  The slab pages are freed
530 static void kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct slab *slab)
532 	if (__kfence_obj_info(kpp, object, slab))
534 	__kmem_obj_info(kpp, object, slab);
538  * kmem_dump_obj - Print available slab provenance information
539  * @object: slab object for which to find provenance information.
544  * For a slab-cache object, the fact that it is a slab object is printed,
545  * and, if available, the slab name, return address, and stack trace from
556 	struct slab *slab;
563 	slab = virt_to_slab(object);
564 	if (!slab)
567 	kmem_obj_info(&kp, object, slab);
569 		pr_cont(" slab%s %s", cp, kp.kp_slab_cache->name);
571 		pr_cont(" slab%s", cp);
608 /* Create a cache during boot when no slab services are available yet */
635 		panic("Creation of kmalloc slab %s size=%u failed. Reason %d\n",
648 		panic("Out of memory when creating slab %s\n", name);
908  * enable allocations for slab creation.
1100 		pr_warn("excessive unreclaimable slab but cannot dump stats\n");
1104 	pr_info("Unreclaimable slab info:\n");
1131  * num-pages-per-slab