/*****************************************************************************************************************************************************************  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.**  Copyright (C) 2004-2007 Red Hat, Inc.  All rights reserved.****  This copyrighted material is made available to anyone wishing to use,**  modify, copy, or redistribute it subject to the terms and conditions**  of the GNU General Public License v.2.***************************************************************************************************************************************************************/ #include "dlm_internal.h"#include "config.h"#include "memory.h" static struct kmem_cache *lkb_cache;static struct kmem_cache *rsb_cache;  int __init dlm_memory_init(void){	lkb_cache = kmem_cache_create("dlm_lkb", sizeof(struct dlm_lkb),				__alignof__(struct dlm_lkb), 0, NULL);	if (!lkb_cache)		return -ENOMEM; 	rsb_cache = kmem_cache_create("dlm_rsb", sizeof(struct dlm_rsb),				__alignof__(struct dlm_rsb), 0, NULL);	if (!rsb_cache) {		kmem_cache_destroy(lkb_cache);		return -ENOMEM;	} 	return 0;} void dlm_memory_exit(void){	if (lkb_cache)		kmem_cache_destroy(lkb_cache);	if (rsb_cache)		kmem_cache_destroy(rsb_cache);} char *dlm_allocate_lvb(struct dlm_ls *ls){	char *p; 	p = kzalloc(ls->ls_lvblen, GFP_NOFS);	return p;} void dlm_free_lvb(char *p){	kfree(p);} struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls){	struct dlm_rsb *r; 	r = kmem_cache_zalloc(rsb_cache, GFP_NOFS);	return r;} void dlm_free_rsb(struct dlm_rsb *r){	if (r->res_lvbptr)		dlm_free_lvb(r->res_lvbptr);	kmem_cache_free(rsb_cache, r);} struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls){	struct dlm_lkb *lkb; 	lkb = kmem_cache_zalloc(lkb_cache, GFP_NOFS);	return lkb;} void dlm_free_lkb(struct dlm_lkb *lkb){	if (lkb->lkb_flags & DLM_IFL_USER) {		struct dlm_user_args *ua;		ua = lkb->lkb_ua;		if (ua) {			if (ua->lksb.sb_lvbptr)				kfree(ua->lksb.sb_lvbptr);			kfree(ua);		}	}	kmem_cache_free(lkb_cache, lkb);}