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Revision e09e200e07222467ef82367bff7cc6f44ad00397 authored by Andy Shevchenko on 30 September 2020, 14:20:12 UTC, committed by Linus Walleij on 01 October 2020, 08:00:17 UTC 
gpio: pca953x: Use bitmap API over implicit GCC extension
 
In IRQ handler we have to clear bitmap before use. Currently
the GCC extension has been used for that. For sake of the consistency
switch to bitmap API. As expected bloat-o-meter shows no difference
in the object size.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Link: https://lore.kernel.org/r/20200930142013.59247-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1 parent 17479aa
Raw File
memory.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);
}
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