https://github.com/torvalds/linux
Raw File
Tip revision: 54be6c6c5ae8e0d93a6c4641cb7528eb0b6ba478 authored by Linus Torvalds on 04 February 2024, 12:20:36 UTC
Linux 6.8-rc3
Tip revision: 54be6c6
memregion.c
// SPDX-License-Identifier: GPL-2.0-only
/* identifiers for device / performance-differentiated memory regions */
#include <linux/idr.h>
#include <linux/types.h>
#include <linux/memregion.h>

static DEFINE_IDA(memregion_ids);

int memregion_alloc(gfp_t gfp)
{
	return ida_alloc(&memregion_ids, gfp);
}
EXPORT_SYMBOL(memregion_alloc);

void memregion_free(int id)
{
	ida_free(&memregion_ids, id);
}
EXPORT_SYMBOL(memregion_free);
back to top