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 5F063C433EF for ; Fri, 13 May 2022 15:01:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381379AbiEMPBv (ORCPT ); Fri, 13 May 2022 11:01:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57196 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1381875AbiEMPBL (ORCPT ); Fri, 13 May 2022 11:01:11 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47DB547AE2 for ; Fri, 13 May 2022 08:00:36 -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 ams.source.kernel.org (Postfix) with ESMTPS id 08A3BB83029 for ; 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 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> To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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) -- 2.17.1