[tip: sched/core] headers/prep: Fix header to build standalone: <linux/psi.h>

[tip: sched/core] headers/prep: Fix header to build standalone: <linux/psi.h>

[tip-bot2 for Ingo Molnar]

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     3387ce4d8a5f2956fab827edf499fe6780e83faa
Gitweb:        https://git.kernel.org/tip/3387ce4d8a5f2956fab827edf499fe6780e83faa
Author:        Ingo Molnar <mingo@kernel.org>
AuthorDate:    Mon, 21 Mar 2022 11:05:50 +01:00
Committer:     Ingo Molnar <mingo@kernel.org>
CommitterDate: Mon, 21 Mar 2022 11:13:49 +01:00

headers/prep: Fix header to build standalone: <linux/psi.h>

Add the <linux/cgroup-defs.h> dependency to <linux/psi.h>, because
cgroup_move_task() will dereference 'struct css_set'.

( Only older toolchains are affected, due to variations in
  the implementation of rcu_assign_pointer() et al. )

Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Sachin Sant <sachinp@linux.ibm.com>
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 include/linux/psi.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/psi.h b/include/linux/psi.h
index 7f7d1d8..8978476 100644
--- a/include/linux/psi.h
+++ b/include/linux/psi.h
@@ -6,6 +6,7 @@
 #include <linux/psi_types.h>
 #include <linux/sched.h>
 #include <linux/poll.h>
+#include <linux/cgroup-defs.h>
 
 struct seq_file;
 struct css_set;