43 lines
874 B
C
43 lines
874 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Common Primitives for DAMON Modules
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*
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* Author: SeongJae Park <sj@kernel.org>
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*/
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#include <linux/damon.h>
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#include "modules-common.h"
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/*
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* Allocate, set, and return a DAMON context for the physical address space.
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* @ctxp: Pointer to save the point to the newly created context
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* @targetp: Pointer to save the point to the newly created target
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*/
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int damon_modules_new_paddr_ctx_target(struct damon_ctx **ctxp,
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struct damon_target **targetp)
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{
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struct damon_ctx *ctx;
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struct damon_target *target;
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ctx = damon_new_ctx();
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if (!ctx)
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return -ENOMEM;
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if (damon_select_ops(ctx, DAMON_OPS_PADDR)) {
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damon_destroy_ctx(ctx);
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return -EINVAL;
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}
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target = damon_new_target();
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if (!target) {
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damon_destroy_ctx(ctx);
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return -ENOMEM;
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}
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damon_add_target(ctx, target);
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*ctxp = ctx;
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*targetp = target;
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return 0;
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}
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