From mboxrd@z Thu Jan 1 00:00:00 1970 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 20288C43334 for ; Mon, 13 Jun 2022 20:33:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232632AbiFMUdR (ORCPT ); Mon, 13 Jun 2022 16:33:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234129AbiFMUc6 (ORCPT ); Mon, 13 Jun 2022 16:32:58 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7263F6D394 for ; Mon, 13 Jun 2022 12:23:11 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A149A614ED for ; Mon, 13 Jun 2022 19:23:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E22AC341C4; Mon, 13 Jun 2022 19:23:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1655148190; bh=n6pIJardcDOsM0Vty4Jd2+LmdyUc2TSqs3BgnjMqBM8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZU4tSULFHm6FsvW+iSnmeOF25EuoA37Y1Q7CK6fSJNEpgPnkR2oqvoVXTbM1DXOKk 0309qTloTvFcZz49r6f/2AVtvrXlKCH005FkekFR746N66hY3QujklydIZpzauQ8sI /fxtWRoCjt56xVP3Tq1VpSE7IWzJrMgWKvmxsrFplcztBs5DG73e0+qszzEia4COJq mk/79vYNlULn+hT+qgm0Dz+eBjcLp15rzxCsD8XZhMkDWP+5zwPfRKikazB5zqhKqk oQWNCCqpwDJ31kF9vSfBuQeBkzZIQ2WcKvJHUbrWWggRgb9Xyn4RPqsuGnfBoqJNjM QlrpeStxf/IhA== From: SeongJae Park To: SeongJae Park , Andrew Morton Cc: damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/8] mm/damon/paddr: use a separate function for 'DAMOS_PAGEOUT' handling Date: Mon, 13 Jun 2022 19:22:55 +0000 Message-Id: <20220613192301.8817-4-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220613192301.8817-1-sj@kernel.org> References: <20220613192301.8817-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This commit moves code for 'DAMOS_PAGEOUT' handling of the physical address space monitoring operations set to a separate function so that its caller, 'damon_pa_apply_scheme()', can be more easily extended for additional DAMOS actions later. Signed-off-by: SeongJae Park --- mm/damon/paddr.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index b40ff5811bb2..7bcd48066b43 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -204,16 +204,11 @@ static unsigned int damon_pa_check_accesses(struct damon_ctx *ctx) return max_nr_accesses; } -static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx, - struct damon_target *t, struct damon_region *r, - struct damos *scheme) +static unsigned long damon_pa_pageout(struct damon_region *r) { unsigned long addr, applied; LIST_HEAD(page_list); - if (scheme->action != DAMOS_PAGEOUT) - return 0; - for (addr = r->ar.start; addr < r->ar.end; addr += PAGE_SIZE) { struct page *page = damon_get_page(PHYS_PFN(addr)); @@ -238,6 +233,19 @@ static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx, return applied * PAGE_SIZE; } +static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx, + struct damon_target *t, struct damon_region *r, + struct damos *scheme) +{ + switch (scheme->action) { + case DAMOS_PAGEOUT: + return damon_pa_pageout(r); + default: + break; + } + return 0; +} + static int damon_pa_scheme_score(struct damon_ctx *context, struct damon_target *t, struct damon_region *r, struct damos *scheme) -- 2.25.1