From 9972cb4b325c517b1c2e18ffe53e83537f682b5e Mon Sep 17 00:00:00 2001 From: Denis Cheng Date: Wed, 19 Mar 2008 14:03:43 +0800 Subject: [PATCH] sysctl: vm.drop_caches should be writable only This file's functionality is to tell the system to do a cache reclaiming, the possible value to write to it is only 1, 2 or 3, reading from it will get the last value written to it, that's meaingless. Signed-off-by: Denis Cheng --- Reference to 7e3e0360, which also changed some sysctl value from 0644 to 0200. kernel/sysctl.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/sysctl.c b/kernel/sysctl.c index b2a2d68..f50926a 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -980,7 +980,7 @@ static struct ctl_table vm_table[] = { .procname = "drop_caches", .data = &sysctl_drop_caches, .maxlen = sizeof(int), - .mode = 0644, + .mode = 0200, .proc_handler = drop_caches_sysctl_handler, .strategy = &sysctl_intvec, }, -- 1.5.4.4