linux-kernel - [PATCH 16/53] sched/headers: Move 'struct pacct_struct' and 'struct cpu_itimer' form <linux/sched.h> to <linux/sched/signal.h>

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Date:   Wed,  8 Feb 2017 19:44:47 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Mike Galbraith <efault@....de>,
        Oleg Nesterov <oleg@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 16/53] sched/headers: Move 'struct pacct_struct' and 'struct cpu_itimer' form <linux/sched.h> to <linux/sched/signal.h>

These structures are actually part of 'struct signal', so move them to <linux/sched/signal.h>
where they belong.

This further decreases the size and complexity of <linux/sched.h>.

Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Mike Galbraith <efault@....de>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 include/linux/sched.h        | 13 -------------
 include/linux/sched/signal.h | 16 ++++++++++++++++
 2 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0278deb1a992..36e156dfc8ce 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -326,19 +326,6 @@ arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
 static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
 #endif
 
-struct pacct_struct {
-	int			ac_flag;
-	long			ac_exitcode;
-	unsigned long		ac_mem;
-	u64			ac_utime, ac_stime;
-	unsigned long		ac_minflt, ac_majflt;
-};
-
-struct cpu_itimer {
-	u64 expires;
-	u64 incr;
-};
-
 /**
  * struct prev_cputime - snaphsot of system and user cputime
  * @utime: time spent in user mode
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index 11691979df32..4ae634a23b4a 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -20,6 +20,22 @@ struct sighand_struct {
 };
 
 /*
+ * Per-process accounting stats:
+ */
+struct pacct_struct {
+	int			ac_flag;
+	long			ac_exitcode;
+	unsigned long		ac_mem;
+	u64			ac_utime, ac_stime;
+	unsigned long		ac_minflt, ac_majflt;
+};
+
+struct cpu_itimer {
+	u64 expires;
+	u64 incr;
+};
+
+/*
  * NOTE! "signal_struct" does not have its own
  * locking, because a shared signal_struct always
  * implies a shared sighand_struct, so locking
-- 
2.7.4