Cregit: Linux 6.12: mem-info.c

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Ian Rogers	103	46.82%	3	27.27%
Jiri Olsa	57	25.91%	1	9.09%
Namhyung Kim	46	20.91%	1	9.09%
Arnaldo Carvalho de Melo	10	4.55%	4	36.36%
Stéphane Eranian	3	1.36%	1	9.09%
Greg Kroah-Hartman	1	0.45%	1	9.09%
Total	220		11

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// SPDX-License-Identifier: GPL-2.0
#include <linux/zalloc.h>
#include "mem-info.h"

struct mem_info *mem_info__get(struct mem_info *mi)
{
	struct mem_info *result;

	if (RC_CHK_GET(result, mi))
		refcount_inc(mem_info__refcnt(mi));

	return result;
}

void mem_info__put(struct mem_info *mi)
{
	if (mi && refcount_dec_and_test(mem_info__refcnt(mi))) {
		addr_map_symbol__exit(mem_info__iaddr(mi));
		addr_map_symbol__exit(mem_info__daddr(mi));
		RC_CHK_FREE(mi);
	} else {
		RC_CHK_PUT(mi);
	}
}

struct mem_info *mem_info__new(void)
{
	struct mem_info *result = NULL;
	RC_STRUCT(mem_info) *mi = zalloc(sizeof(*mi));

	if (ADD_RC_CHK(result, mi))
		refcount_set(mem_info__refcnt(result), 1);

	return result;
}

struct mem_info *mem_info__clone(struct mem_info *mi)
{
	struct mem_info *result = mem_info__new();

	if (result) {
		addr_map_symbol__copy(mem_info__iaddr(result), mem_info__iaddr(mi));
		addr_map_symbol__copy(mem_info__daddr(result), mem_info__daddr(mi));
		mem_info__data_src(result)->val = mem_info__data_src(mi)->val;
	}

	return result;
}