Files
kernel/lib/memregion.c
T
Greg Kroah-Hartman a8772ca535 Linux 6.12.80
Link: https://lore.kernel.org/r/20260331161741.651718120@linuxfoundation.org
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Barry K. Nathan <barryn@pobox.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-04-02 13:09:54 +02:00

20 lines
429 B
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);