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 4668AC433F5 for ; Fri, 5 Nov 2021 20:43:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 317CF61357 for ; Fri, 5 Nov 2021 20:43:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233705AbhKEUq3 (ORCPT ); Fri, 5 Nov 2021 16:46:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:41408 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233055AbhKEUq2 (ORCPT ); Fri, 5 Nov 2021 16:46:28 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 413416135A; Fri, 5 Nov 2021 20:43:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1636145028; bh=J9KwG6Wm/mjzVYdnRDnygEce6+0CjcxTUg3/kbFl698=; h=Date:From:To:Subject:In-Reply-To:From; b=BOUliP9UgAhw9xlvin+k+WhXlZEfFAGP5i3FhgSGH6Re4fJUaVtzOLxhYuAoj8crz thnPhfyxaiFWxKczYFh6qsQsTnkut1OAtth7eQKWdK7KIoBP3PcnL3QoduPv0nZLSc NBRj6Sv/GVmc9XDxw+qbeoMyau+Wfa5AWwohhzvs= Date: Fri, 05 Nov 2021 13:43:47 -0700 From: Andrew Morton To: akpm@linux-foundation.org, linf@wangsu.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 175/262] mm/readahead.c: fix incorrect comments for get_init_ra_size Message-ID: <20211105204347.ezf3f-ajG%akpm@linux-foundation.org> In-Reply-To: <20211105133408.cccbb98b71a77d5e8430aba1@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Lin Feng Subject: mm/readahead.c: fix incorrect comments for get_init_ra_size In fact, formated values returned by get_init_ra_size are not that intuitive. This patch make the comments reflect its truth. Link: https://lkml.kernel.org/r/20211019104812.135602-1-linf@wangsu.com Signed-off-by: Lin Feng Signed-off-by: Andrew Morton --- mm/readahead.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/readahead.c~mm-readaheadc-fix-incorrect-comments-for-get_init_ra_size +++ a/mm/readahead.c @@ -309,7 +309,7 @@ void force_page_cache_ra(struct readahea * 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) { _