From patchwork Fri May 13 14:59:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SeongJae Park X-Patchwork-Id: 12848949 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7FD1BC433F5 for ; Fri, 13 May 2022 15:00:38 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 11E976B0075; Fri, 13 May 2022 11:00:38 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 078466B0078; Fri, 13 May 2022 11:00:38 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E60868D0001; Fri, 13 May 2022 11:00:37 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id D84DA6B0075 for ; Fri, 13 May 2022 11:00:37 -0400 (EDT) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay11.hostedemail.com (Postfix) with ESMTP id 9C10880D68 for ; Fri, 13 May 2022 15:00:37 +0000 (UTC) X-FDA: 79461031314.19.2D2278B Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf28.hostedemail.com (Postfix) with ESMTP id EC215C00AF for ; Fri, 13 May 2022 15:00:14 +0000 (UTC) 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 ams.source.kernel.org (Postfix) with ESMTPS id 27C33B8306C; Fri, 13 May 2022 15:00:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5AB7FC34100; Fri, 13 May 2022 15:00:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652454033; bh=11GGetY1wDUykE5Nyy58CKhxn3If/B0NbPr4dqjZJhc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JVD2EDqRC51IxA65gs5McXHnMkTqUbN+hLAkSkMsvfpKfy0uENX8P6re5sXBCv5Vn oFpMKegP2kxpOaZ5b++DfDafD2GzJhb0OA0WK/T5gno8MBmL0FUtleA9BeuRWornnB P7yHSCGIkFU7Nzxbu4i62IKOymu7BaVxzOi+y6WXDToTPtLqtiBLWBQsA09K+LAXzK sfFXKRNfF0MUyjurphbZZ5UfQjInipxl2BKx9BSf2KS6HmRE6bXzrwMUZbgF3fC4cQ KODfYyVmTFB1O9V3T0oVTjzkZwvSY6HmR69GzF3ffAbeL3tA3l+8+6hXf644IStnHY fsw74HIIbXkjg== From: SeongJae Park To: Cc: linux-damon@amazon.com, damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, SeongJae Park Subject: [RFC PATCH 1/3] mm/damon/paddr: move DAMOS_PAGEOUT handling to a separate function Date: Fri, 13 May 2022 16:59:58 +0200 Message-Id: <20220513150000.25797-2-sj@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220513150000.25797-1-sj@kernel.org> References: <20220513150000.25797-1-sj@kernel.org> X-Rspamd-Queue-Id: EC215C00AF X-Stat-Signature: tracpo6f34rcnmpr1amwxk5nm4hf9333 X-Rspam-User: Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=JVD2EDqR; spf=pass (imf28.hostedemail.com: domain of sj@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-Rspamd-Server: rspam09 X-HE-Tag: 1652454014-488570 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: This commit moves code for DAMOS_PAGEOUT handling to a separate function other than damon_pa_apply_scheme() to make damon_pa_apply_scheme() prepared for later additional DAMOS actions support. 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 21474ae63bc7..08deee12ebfd 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)