From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- lib/memregion.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 lib/memregion.c (limited to 'lib/memregion.c') diff --git a/lib/memregion.c b/lib/memregion.c new file mode 100644 index 000000000..be5cfa5a3 --- /dev/null +++ b/lib/memregion.c @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* identifiers for device / performance-differentiated memory regions */ +#include +#include +#include + +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); -- cgit v1.2.3