Merge remote-tracking branch 'net-next/master' into mac80211-next

Merge net-next to resolve a conflict and to get the mac80211
rhashtable fixes so further patches can be applied on top.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

2 files changed, 14 insertions, 2 deletions

diff --git a/init/Kconfig b/init/Kconfig
index 513fa544a134..c9386a365eea 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -512,6 +512,17 @@ config PSI_DEFAULT_DISABLED
 	  per default but can be enabled through passing psi=1 on the
 	  kernel commandline during boot.
 
+	  This feature adds some code to the task wakeup and sleep
+	  paths of the scheduler. The overhead is too low to affect
+	  common scheduling-intense workloads in practice (such as
+	  webservers, memcache), but it does show up in artificial
+	  scheduler stress tests, such as hackbench.
+
+	  If you are paranoid and not sure what the kernel will be
+	  used for, say Y.
+
+	  Say N if unsure.
+
 endmenu # "CPU/Task time and stats accounting"
 
 config CPU_ISOLATION
@@ -825,7 +836,7 @@ config CGROUP_PIDS
 	  PIDs controller is designed to stop this from happening.
 
 	  It should be noted that organisational operations (such as attaching
-	  to a cgroup hierarchy will *not* be blocked by the PIDs controller),
+	  to a cgroup hierarchy) will *not* be blocked by the PIDs controller,
 	  since the PIDs limit only affects a process's ability to fork, not to
 	  attach to a cgroup.
 
diff --git a/init/main.c b/init/main.c
index e2e80ca3165a..c86a1c8f19f4 100644
--- a/init/main.c
+++ b/init/main.c
@@ -695,7 +695,6 @@ asmlinkage __visible void __init start_kernel(void)
 		initrd_start = 0;
 	}
 #endif
-	page_ext_init();
 	kmemleak_init();
 	setup_per_cpu_pageset();
 	numa_policy_init();
@@ -1131,6 +1130,8 @@ static noinline void __init kernel_init_freeable(void)
 	sched_init_smp();
 
 	page_alloc_init_late();
+	/* Initialize page ext after all struct pages are initialized. */
+	page_ext_init();
 
 	do_basic_setup();