brcm2708: organize kernel patches
[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0106-cgroup-Disable-cgroup-memory-by-default.patch
diff --git a/target/linux/brcm2708/patches-4.19/950-0106-cgroup-Disable-cgroup-memory-by-default.patch b/target/linux/brcm2708/patches-4.19/950-0106-cgroup-Disable-cgroup-memory-by-default.patch
deleted file mode 100644 (file)
index 9650b60..0000000
+++ /dev/null
@@ -1,70 +0,0 @@
-From 7ae6ba03434344f90403936ae79bfd7ba005b49c Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.org>
-Date: Mon, 27 Nov 2017 17:14:54 +0000
-Subject: [PATCH 106/806] cgroup: Disable cgroup "memory" by default
-
-Some Raspberry Pis have limited RAM and most users won't use the
-cgroup memory support so it is disabled by default. Enable with:
-
-    cgroup_enable=memory
-
-See: https://github.com/raspberrypi/linux/issues/1950
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.org>
----
- kernel/cgroup/cgroup.c | 30 ++++++++++++++++++++++++++++++
- 1 file changed, 30 insertions(+)
-
---- a/kernel/cgroup/cgroup.c
-+++ b/kernel/cgroup/cgroup.c
-@@ -5334,6 +5334,8 @@ int __init cgroup_init_early(void)
- }
- static u16 cgroup_disable_mask __initdata;
-+static u16 cgroup_enable_mask __initdata;
-+static int __init cgroup_disable(char *str);
- /**
-  * cgroup_init - cgroup initialization
-@@ -5374,6 +5376,12 @@ int __init cgroup_init(void)
-       mutex_unlock(&cgroup_mutex);
-+      /* Apply an implicit disable... */
-+      cgroup_disable("memory");
-+
-+      /* ...knowing that an explicit enable will override it. */
-+      cgroup_disable_mask &= ~cgroup_enable_mask;
-+
-       for_each_subsys(ss, ssid) {
-               if (ss->early_init) {
-                       struct cgroup_subsys_state *css =
-@@ -5765,6 +5773,28 @@ static int __init cgroup_disable(char *s
- }
- __setup("cgroup_disable=", cgroup_disable);
-+static int __init cgroup_enable(char *str)
-+{
-+      struct cgroup_subsys *ss;
-+      char *token;
-+      int i;
-+
-+      while ((token = strsep(&str, ",")) != NULL) {
-+              if (!*token)
-+                      continue;
-+
-+              for_each_subsys(ss, i) {
-+                      if (strcmp(token, ss->name) &&
-+                          strcmp(token, ss->legacy_name))
-+                              continue;
-+
-+                      cgroup_enable_mask |= 1 << i;
-+              }
-+      }
-+      return 1;
-+}
-+__setup("cgroup_enable=", cgroup_enable);
-+
- /**
-  * css_tryget_online_from_dir - get corresponding css from a cgroup dentry
-  * @dentry: directory dentry of interest