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rcu: Refactor #includes from include/linux/rcupdate.h

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The list of #includes from include/linux/rcupdate.h has grown quite
a bit, so it is time to trim it.  This commit moves the #include
of include/linux/ktime.h to include/linux/rcutiny.h, along with the
Tiny-RCU-only function that was the only thing needing ktimem.h.  It then
reconstructs the files included into include/linux/ktime.h based on what
is actually needed, with significant help from the 0day Test Robot.

This single change reduces the .i file footprint from rcupdate.h from
9018 lines to 7101 lines.

Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2017-05-03 15:24:25 -07:00
parent 0cb5133ab5
commit 5f192ab027
2 changed files with 13 additions and 17 deletions
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8
include/linux/rcutiny.h
View file

@ -25,7 +25,7 @@
#ifndef __LINUX_TINY_H
#define __LINUX_TINY_H
#include <linux/cache.h>
#include <linux/ktime.h>
struct rcu_dynticks;
static inline int rcu_dynticks_snap(struct rcu_dynticks *rdtp)
@ -96,6 +96,12 @@ static inline void kfree_call_rcu(struct rcu_head *head,
rcu_note_voluntary_context_switch_lite(current); \
} while (0)
static inline int rcu_needs_cpu(u64 basemono, u64 *nextevt)
{
*nextevt = KTIME_MAX;
return 0;
}
/*
* Take advantage of the fact that there is only one CPU, which
* allows us to ignore virtualization-based context switches.