OpenWrt – Blame information for rev 4
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Rev | Author | Line No. | Line |
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4 | office | 1 | From c50fe09c78e9b87137e0188139c774bd4f12dcb2 Mon Sep 17 00:00:00 2001 |
2 | From: popcornmix <popcornmix@gmail.com> |
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3 | Date: Wed, 18 Dec 2013 22:16:19 +0000 |
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4 | Subject: [PATCH] config: Enable CONFIG_MEMCG, but leave it disabled (due to |
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5 | memory cost). Enable with cgroup_enable=memory. |
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6 | |||
7 | --- |
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8 | kernel/cgroup.c | 24 +++++++++++++++++++++++- |
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9 | 1 file changed, 23 insertions(+), 1 deletion(-) |
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10 | |||
11 | --- a/kernel/cgroup.c |
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12 | +++ b/kernel/cgroup.c |
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13 | @@ -5632,7 +5632,7 @@ int __init cgroup_init_early(void) |
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14 | return 0; |
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15 | } |
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16 | |||
17 | -static u16 cgroup_disable_mask __initdata; |
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18 | +static u16 cgroup_disable_mask __initdata = 1<<0; |
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19 | |||
20 | /** |
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21 | * cgroup_init - cgroup initialization |
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22 | @@ -6173,6 +6173,28 @@ static int __init cgroup_no_v1(char *str |
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23 | } |
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24 | __setup("cgroup_no_v1=", cgroup_no_v1); |
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25 | |||
26 | +static int __init cgroup_enable(char *str) |
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27 | +{ |
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28 | + struct cgroup_subsys *ss; |
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29 | + char *token; |
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30 | + int i; |
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31 | + |
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32 | + while ((token = strsep(&str, ",")) != NULL) { |
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33 | + if (!*token) |
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34 | + continue; |
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35 | + |
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36 | + for_each_subsys(ss, i) { |
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37 | + if (strcmp(token, ss->name) && |
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38 | + strcmp(token, ss->legacy_name)) |
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39 | + continue; |
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40 | + |
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41 | + cgroup_disable_mask &= ~(1 << i); |
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42 | + } |
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43 | + } |
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44 | + return 1; |
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45 | +} |
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46 | +__setup("cgroup_enable=", cgroup_enable); |
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47 | + |
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48 | /** |
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49 | * css_tryget_online_from_dir - get corresponding css from a cgroup dentry |
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50 | * @dentry: directory dentry of interest |