mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
2522fe45a1
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>
92 lines
1.9 KiB
C
92 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);
|
|
}
|
|
|