From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x227WEn8CThxdHscVjdS9VJuQD8zEe9vq16rxZYIK82BnKI9ZLX17U4x9/+W1lyfIi9umEtsE ARC-Seal: i=1; a=rsa-sha256; t=1517391222; cv=none; d=google.com; s=arc-20160816; b=zEa1YI8JBcTnkHxNo+s0O5aW6rpqxrZh+2whE+z2nnlzkp/Ovbb3U23PlJr7sjInS1 I1qd03FpJtQg943vpTlu7l6TCk9d7iMtOu+roNUvAXqu3JxBQA+8yOJVBZRyRtFdZnSp Q7lsX0WTVr/1zunXL1t69oPVacmv1ULOB89d74oe6OPP6OfQTCYVTJlWP7aIUGqOMs7+ svEx2RpvnHNtR4154+QEQEKOPTVbqiOBRNT2MmTSXqg2Trh0nBlnAQqiwByuRPtMPAO4 IWajHpTL6eE2/bNaVcug3AZdJwre9s2z6wmOH66V7R0UlfqQdKVBuEYRRX3rIqgDSA/i +ing== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:message-id:date:subject:cc:to:from :arc-authentication-results; bh=c2WciKdX+Cw87P4tWGwg9rXGZOGwP0qFZvLmfYPkOzg=; b=i7VHelmy3wDkPtMv0n/kbezab0RtJyHigXOFV+cEtH+rZWsqPBlPAjBCavX3omHp9s Q6dQ7SBi7yTLyGM1UOpZ95NVTA+Bdj4b7XS+8PzrnBl0mwDYDsOGPr8sVVjUcYLXUHzk ylelmAB82B4V0cTMQQd9O9chRaCoQc4CXiRPGzCkSu1XSus2eI+n7ty8z6X8xVGd3yXL T8M5jlPPNK1wyScIwYLMHjd3K2nifV8ZZtLC0dFhCdvc+1X3DZGGQG5I6f7hMl8aQbmQ L+baYE94Aem3iGy0UrZZVIk2sclz2xN4d4RvaMvm/rDJ/8spa8JqmEl/2L07GDVAYSZb vEmA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of miles.chen@mediatek.com designates 210.61.82.183 as permitted sender) smtp.mailfrom=miles.chen@mediatek.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of miles.chen@mediatek.com designates 210.61.82.183 as permitted sender) smtp.mailfrom=miles.chen@mediatek.com X-UUID: 7d1ad975965a4f48bc1164397028a240-20180131 From: To: Matthias Brugger , Andrew Morton , Huang Ying , Kate Stewart , Greg Kroah-Hartman , Thomas Gleixner , Michal Hocko CC: , , , Miles Chen Subject: [PATCH] mm: Remove PG_highmem description Date: Wed, 31 Jan 2018 17:33:32 +0800 Message-ID: <1517391212-2950-1-git-send-email-miles.chen@mediatek.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1591100018913639992?= X-GMAIL-MSGID: =?utf-8?q?1591100018913639992?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Miles Chen The commit cbe37d093707 ("[PATCH] mm: remove PG_highmem") has removed PG_highmem to save a page flag. So the description of PG_highmem is no longer needed, remove it. Signed-off-by: Miles Chen --- include/linux/page-flags.h | 5 ----- 1 file changed, 5 deletions(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 3ec44e27aa9d..50c2b8786831 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -46,11 +46,6 @@ * guarantees that this bit is cleared for a page when it first is entered into * the page cache. * - * PG_highmem pages are not permanently mapped into the kernel virtual address - * space, they need to be kmapped separately for doing IO on the pages. The - * struct page (these bits with information) are always mapped into kernel - * address space... - * * PG_hwpoison indicates that a page got corrupted in hardware and contains * data with incorrect ECC bits that triggered a machine check. Accessing is * not safe since it may cause another machine check. Don't touch! -- 2.12.5