linux-stable/fs/dlm/memory.c
Thomas Gleixner 2522fe45a1 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 193
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 45 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170027.342746075@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:29:21 -07:00

91 lines
1.9 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
*******************************************************************************
**
** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
**
**
*******************************************************************************
******************************************************************************/
#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)
{
kmem_cache_destroy(lkb_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) {
kfree(ua->lksb.sb_lvbptr);
kfree(ua);
}
}
kmem_cache_free(lkb_cache, lkb);
}