[lttng-modules.git] / wrapper / vzalloc.h

/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
 *
 * wrapper/vzalloc.h
 *
 * Copyright (C) 2015 Michael Jeanson <mjeanson@efficios.com>
 */

#ifndef _LTTNG_WRAPPER_VZALLOC_H
#define _LTTNG_WRAPPER_VZALLOC_H

#include <linux/version.h>
#include <linux/vmalloc.h>

#if LTTNG_KERNEL_RANGE(2,6,36, 2,6,37)
static inline
void *lttng_vzalloc(unsigned long size)
{
	void *ret;
	ret = vmalloc(size);
	if (!ret)
		return NULL;
	memset(ret, 0, size);
	return ret;
}
#else
static inline
void *lttng_vzalloc(unsigned long size)
{
	return vzalloc(size);
}
#endif


#endif /* _LTTNG_WRAPPER_VZALLOC_H */
Commit	Line	Data
9f36eaed MJ	1	/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
9f36eaed MJ	2	*
f6da044f MJ	3	* wrapper/vzalloc.h
	4	*
	5	* Copyright (C) 2015 Michael Jeanson <mjeanson@efficios.com>
f6da044f MJ	6	*/
f6da044f MJ	7
9f36eaed MJ	8	#ifndef _LTTNG_WRAPPER_VZALLOC_H
	9	#define _LTTNG_WRAPPER_VZALLOC_H
	10
f6da044f MJ	11	#include <linux/version.h>
	12	#include <linux/vmalloc.h>
	13
	14	#if LTTNG_KERNEL_RANGE(2,6,36, 2,6,37)
	15	static inline
	16	void *lttng_vzalloc(unsigned long size)
	17	{
	18	void *ret;
	19	ret = vmalloc(size);
	20	if (!ret)
	21	return NULL;
	22	memset(ret, 0, size);
	23	return ret;
	24	}
	25	#else
	26	static inline
	27	void *lttng_vzalloc(unsigned long size)
	28	{
	29	return vzalloc(size);
	30	}
	31	#endif
	32
	33
	34	#endif /* _LTTNG_WRAPPER_VZALLOC_H */