From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754437Ab3KTQjY (ORCPT ); Wed, 20 Nov 2013 11:39:24 -0500 Received: from mail-yh0-f50.google.com ([209.85.213.50]:59662 "EHLO mail-yh0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754169Ab3KTQjX (ORCPT ); Wed, 20 Nov 2013 11:39:23 -0500 From: Dan Streetman To: linux-mm@kvack.org, Seth Jennings Cc: Dan Streetman , linux-kernel , Bob Liu , Minchan Kim , Weijie Yang Subject: [PATCH] mm/zswap: change params from hidden to ro Date: Wed, 20 Nov 2013 11:38:42 -0500 Message-Id: <1384965522-5788-1-git-send-email-ddstreet@ieee.org> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The "compressor" and "enabled" params are currently hidden, this changes them to read-only, so userspace can tell if zswap is enabled or not and see what compressor is in use. Signed-off-by: Dan Streetman --- mm/zswap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/zswap.c b/mm/zswap.c index d93510c..36b268b 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -77,12 +77,12 @@ static u64 zswap_duplicate_entry; **********************************/ /* Enable/disable zswap (disabled by default, fixed at boot for now) */ static bool zswap_enabled __read_mostly; -module_param_named(enabled, zswap_enabled, bool, 0); +module_param_named(enabled, zswap_enabled, bool, 0444); /* Compressor to be used by zswap (fixed at boot for now) */ #define ZSWAP_COMPRESSOR_DEFAULT "lzo" static char *zswap_compressor = ZSWAP_COMPRESSOR_DEFAULT; -module_param_named(compressor, zswap_compressor, charp, 0); +module_param_named(compressor, zswap_compressor, charp, 0444); /* The maximum percentage of memory that the compressed pool can occupy */ static unsigned int zswap_max_pool_percent = 20; -- 1.8.3.1