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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920// 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);