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ANDROID: proc: make oom adjustment files user read-only

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Make oom_adj and oom_score_adj user read-only.

Bug: 19636629

Signed-off-by: Rom Lemarchand <romlem@google.com>
(cherry picked from commit 45eda3780c58c9086ba4065ed2597495698917a0)

Change-Id: Icdfba35e707b2253670e75e1c38859ec5aedcff7
Signed-off-by: Dylan Reid <dgreid@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/285957
Reviewed-by: Olof Johansson <olofj@chromium.org>
This commit is contained in:
Rom Lemarchand
2015-03-07 09:38:05 -08:00
committed by ChromeOS Commit Bot
parent 6a61dbbcdf
commit c0ec3df817
1 changed files with 4 additions and 4 deletions
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8
fs/proc/base.c
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@@ -2642,8 +2642,8 @@ static const struct pid_entry tgid_base_stuff[] = {
REG("cgroup", S_IRUGO, proc_cgroup_operations),
#endif
INF("oom_score", S_IRUGO, proc_oom_score),
REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
REG("oom_adj", S_IRUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUSR, proc_oom_score_adj_operations),
#ifdef CONFIG_AUDITSYSCALL
REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations),
REG("sessionid", S_IRUGO, proc_sessionid_operations),
@@ -2980,8 +2980,8 @@ static const struct pid_entry tid_base_stuff[] = {
REG("cgroup", S_IRUGO, proc_cgroup_operations),
#endif
INF("oom_score", S_IRUGO, proc_oom_score),
REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
REG("oom_adj", S_IRUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUSR, proc_oom_score_adj_operations),
#ifdef CONFIG_AUDITSYSCALL
REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations),
REG("sessionid", S_IRUGO, proc_sessionid_operations),