From nobody Fri Dec 19 07:30:14 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CFB59C4167B for ; Tue, 5 Dec 2023 02:30:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346372AbjLEC3z (ORCPT ); Mon, 4 Dec 2023 21:29:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344107AbjLEC3l (ORCPT ); Mon, 4 Dec 2023 21:29:41 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F820124 for ; Mon, 4 Dec 2023 18:29:05 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4127C433C9; Tue, 5 Dec 2023 02:29:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701743345; bh=hl6U6OugfgCPU2deKjlNge8ZmSL6lB/DjRx+v2yMHcI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J6aY+O82JRLvi9ZiWWCgNK9dzhk/rfbzFntuVc90rQCW/Qz98hD+qf1B+yrS8lvYu XUIDJKNblYxLPqmArrgtOb4NxmUhlPnUNpFSomqcHGzLHD5JVDiUduOhmugOvLbPuG WXOEHM3IGOGqXhKGrZP+kJjf38+ykbHuleoo3E2+2yRd/8nRjGgl0uDINgj1OVDnk7 fTsDY58oxNXjT2WKpZZNi8iSjrAKre/9np2NhgNBqh9iA11U2kLCJMxhTbSk7qKbNk EjaY/ejgRFM9qz4Bh/64/9Hk5OeEN3dcCKJ8PT/UHgvKQ6lFDxvOOsNwUmnw+bC2jq FLJrF+YB+LCKw== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] mm/damon/core: export symbols for supporting loadable modules Date: Tue, 5 Dec 2023 02:28:56 +0000 Message-Id: <20231205022858.1540-2-sj@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231205022858.1540-1-sj@kernel.org> References: <20231205022858.1540-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Expose minimum DAMON core symbols for supporting use of basic functionality from loadable modules. Followup commits will add sample loadable modules that use the exported symbols. Signed-off-by: SeongJae Park --- mm/damon/core.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/mm/damon/core.c b/mm/damon/core.c index f91715a58dc7..8a5c3e905738 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -111,6 +111,7 @@ int damon_select_ops(struct damon_ctx *ctx, enum damon_= ops_id id) mutex_unlock(&damon_ops_lock); return err; } +EXPORT_SYMBOL(damon_select_ops); =20 /* * Construct a damon_region struct @@ -343,6 +344,7 @@ struct damos *damon_new_scheme(struct damos_access_patt= ern *pattern, =20 return scheme; } +EXPORT_SYMBOL(damon_new_scheme); =20 static void damos_set_next_apply_sis(struct damos *s, struct damon_ctx *ct= x) { @@ -380,6 +382,7 @@ void damon_destroy_scheme(struct damos *s) damon_del_scheme(s); damon_free_scheme(s); } +EXPORT_SYMBOL(damon_destroy_scheme); =20 /* * Construct a damon_target struct @@ -401,11 +404,13 @@ struct damon_target *damon_new_target(void) =20 return t; } +EXPORT_SYMBOL(damon_new_target); =20 void damon_add_target(struct damon_ctx *ctx, struct damon_target *t) { list_add_tail(&t->list, &ctx->adaptive_targets); } +EXPORT_SYMBOL(damon_add_target); =20 bool damon_targets_empty(struct damon_ctx *ctx) { @@ -464,6 +469,7 @@ struct damon_ctx *damon_new_ctx(void) =20 return ctx; } +EXPORT_SYMBOL(damon_new_ctx); =20 static void damon_destroy_targets(struct damon_ctx *ctx) { @@ -489,6 +495,7 @@ void damon_destroy_ctx(struct damon_ctx *ctx) =20 kfree(ctx); } +EXPORT_SYMBOL(damon_destroy_ctx); =20 static unsigned int damon_age_for_new_attrs(unsigned int age, struct damon_attrs *old_attrs, struct damon_attrs *new_attrs) @@ -616,6 +623,7 @@ void damon_set_schemes(struct damon_ctx *ctx, struct da= mos **schemes, for (i =3D 0; i < nr_schemes; i++) damon_add_scheme(ctx, schemes[i]); } +EXPORT_SYMBOL(damon_set_schemes); =20 /** * damon_nr_running_ctxs() - Return number of currently running contexts. @@ -719,6 +727,7 @@ int damon_start(struct damon_ctx **ctxs, int nr_ctxs, b= ool exclusive) =20 return err; } +EXPORT_SYMBOL(damon_start); =20 /* * __damon_stop() - Stops monitoring of a given context. @@ -762,6 +771,7 @@ int damon_stop(struct damon_ctx **ctxs, int nr_ctxs) } return err; } +EXPORT_SYMBOL(damon_stop); =20 /* * Reset the aggregated monitoring results ('nr_accesses' of each region). --=20 2.34.1