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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E394C433F5 for ; Tue, 19 Oct 2021 10:48:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E6E2061260 for ; Tue, 19 Oct 2021 10:48:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235278AbhJSKuo (ORCPT ); Tue, 19 Oct 2021 06:50:44 -0400 Received: from zg8tmty1ljiyny4xntqumjca.icoremail.net ([165.227.154.27]:52471 "HELO zg8tmty1ljiyny4xntqumjca.icoremail.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S235224AbhJSKuk (ORCPT ); Tue, 19 Oct 2021 06:50:40 -0400 Received: from fedora33.wangsu.com (unknown [59.61.78.138]) by app2 (Coremail) with SMTP id 4zNnewBHbuRuom5hgooBAA--.3123S2; Tue, 19 Oct 2021 18:48:19 +0800 (CST) From: Lin Feng To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linf@wangsu.com Subject: [PATCH] mm/readahead.c: fix incorrect comments for get_init_ra_size Date: Tue, 19 Oct 2021 18:48:12 +0800 Message-Id: <20211019104812.135602-1-linf@wangsu.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: 4zNnewBHbuRuom5hgooBAA--.3123S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Gr48Wr15CF4xCw1DWry3Arb_yoW3uFX_Ca 18Kw4qgFZ3Gr4av3WYvw4xXFWFgrykuryDuF47XrW7J3y8uF98Wa4Dtr17Gr1xXr4qyw17 WrW3WFW7Cr43GjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJ3UbIYCTnIWIevJa73UjIFyTuYvj4RJUUUUUUUU X-CM-SenderInfo: holqwq5zdqw23xof0z/ Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In fact, formated values returned by get_init_ra_size are not that intuitive. This patch make the comments reflect its truth. Signed-off-by: Lin Feng --- mm/readahead.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/readahead.c b/mm/readahead.c index 41b75d76d36e..88a84f254ed6 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -309,7 +309,7 @@ void force_page_cache_ra(struct readahead_control *ractl, * Set the initial window size, round to next power of 2 and square * for small size, x 4 for medium, and x 2 for large * for 128k (32 page) max ra - * 1-8 page = 32k initial, > 8 page = 128k initial + * 1-2 page = 16k, 3-4 page 32k, 5-8 page = 64k, > 8 page = 128k initial */ static unsigned long get_init_ra_size(unsigned long size, unsigned long max) { -- 2.31.1