- 02 Mar, 2017 40 commits
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Ingo Molnar authored
sched/headers: Prepare to move 'init_task' and 'init_thread_union' from <linux/sched.h> to <linux/sched/task.h> Update all usage sites first. Acked-by:
Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by:
Ingo Molnar <mingo@kernel.org>
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Ingo Molnar authored
Update code that relied on sched.h including various MM types for them. This will allow us to remove the <linux/mm_types.h> include from <linux/sched.h>. Acked-by:
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Ingo Molnar authored
We are going to separate all the MM types that are embedded directly in 'struct task_struct' into the new <linux/mm_types_task.h> header. Create a new <linux/mm_types_task.h> that only contains some includes from mm_types.h itself. This should be trivially correct and easy to bisect to. (This patch does not materially move the types yet.) Acked-by:
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Ingo Molnar authored
Instead of including the full <linux/signal.h>, we are going to include the types-only <linux/signal_types.h> header in <linux/sched.h>, to further decouple the scheduler header from the signal headers. This means that various files which relied on the full <linux/signal.h> need to be updated to gain an explicit dependency on it. Update the code that relies on sched.h's inclusion of the <linux/signal.h> header. Acked-by:
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Ingo Molnar authored
Introduce dummy header and add dependencies to places that will depend on it. Acked-by:
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Ingo Molnar authored
Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/task_stack.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/task_stack.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/task.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/task.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/hotplug.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/hotplug.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/debug.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/debug.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/nohz.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/nohz.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/stat.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/stat.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
<linux/topology.h> is still needed - also update other headers and .c files that depend on sched.h including gfp.h (and its sub-headers) for them. Acked-by:
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Ingo Molnar authored
Update the .c files that depend on these APIs. Acked-by:
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Ingo Molnar authored
sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> Fix up affected files that include this signal functionality via sched.h. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/xacct.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/xacct.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the .c file that is going to need it. Acked-by:
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Ingo Molnar authored
We are going to remove the following header inclusions from <linux/sched.h>: #include <asm/param.h> #include <linux/threads.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/timex.h> #include <linux/jiffies.h> #include <linux/rbtree.h> #include <linux/thread_info.h> #include <linux/cpumask.h> #include <linux/errno.h> #include <linux/nodemask.h> #include <linux/preempt.h> #include <asm/page.h> #include <linux/smp.h> #include <linux/compiler.h> #include <linux/completion.h> #include <linux/percpu.h> #include <linux/topology.h> #include <linux/rcupdate.h> #include <linux/time.h> #include <linux/timer.h> #include <linux/llist.h> #include <linux/uidgid.h> #include <asm/processor.h> Fix up a single .h file that got hold of <linux/sysctl.h> via one of these headers. Acked-by:
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Ingo Molnar authored
Fix up missing #includes in other places that rely on sched.h doing that for them. Acked-by:
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Ingo Molnar authored
Fix up missing #includes in other places that rely on sched.h doing that for them. Acked-by:
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Ingo Molnar authored
Add #include <linux/cred.h> dependencies to all .c files rely on sched.h doing that for them. Note that even if the count where we need to add extra headers seems high, it's still a net win, because <linux/sched.h> is included in over 2,200 files ... Acked-by:
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Ingo Molnar authored
sched/headers: Prepare header dependency changes, move the <asm/paravirt.h> include to kernel/sched/sched.h Recent header reorganizations unearthed this hidden dependency: kernel/sched/core.c:199:25: error: 'paravirt_steal_rq_enabled' undeclared (first use in this function) kernel/sched/core.c:200:11: error: implicit declaration of function 'paravirt_steal_clock' [-Werror=implicit-function-declaration] So move the asm/paravirt.h include from kernel/sched/cpuclock.c to kernel/sched/sched.h. ( NOTE: We do this change before doing the changes that introduce the build failure, so the series remains fully bisectable. ) Reported-by:kbuild test robot <fengguang.wu@intel.com> Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/jobctl.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/jobctl.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the file that is going to need it. Acked-by:
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Ingo Molnar authored
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/numa_balancing.h> We are going to split <linux/sched/numa_balancing.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/numa_balancing.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split more MM APIs out of <linux/sched.h>, which will have to be picked up from a couple of .c files. The APIs that we are going to move are: arch_pick_mmap_layout() arch_get_unmapped_area() arch_get_unmapped_area_topdown() mm_update_next_owner() Include the header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/cpufreq.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/cpufreq.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to move softlockup APIs out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. <linux/nmi.h> already includes <linux/sched.h>. Include the <linux/nmi.h> header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/user.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/user.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/signal.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/signal.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/coredump.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/coredump.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/mm.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/mm.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. The APIs that are going to be moved first are: mm_alloc() __mmdrop() mmdrop() mmdrop_async_fn() mmdrop_async() mmget_not_zero() mmput() mmput_async() get_task_mm() mm_access() mm_release() Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/autogroup.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/autogroup.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/loadavg.h> out of <linux/sched.h>, which will have to be picked up from a couple of .c files. Create a trivial placeholder <linux/sched/topology.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to move scheduler ABI details to <uapi/linux/sched/types.h>, which will be used from a number of .c files. Create empty placeholder header that maps to <linux/types.h>. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/clock.h> out of <linux/sched.h>, which will have to be picked up from other headers and .c files. Create a trivial placeholder <linux/sched/clock.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/wake_q.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/wake_q.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/idle.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/idle.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
We are going to split <linux/sched/topology.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/topology.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by:
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Ingo Molnar authored
<linux/kasan.h> is a low level header that is included early in affected kernel headers. But it includes <linux/sched.h> which complicates the cleanup of sched.h dependencies. But kasan.h has almost no need for sched.h: its only use of scheduler functionality is in two inline functions which are not used very frequently - so uninline kasan_enable_current() and kasan_disable_current(). Also add a <linux/sched.h> dependency to a .c file that depended on kasan.h including it. This paves the way to remove the <linux/sched.h> include from kasan.h. Acked-by:
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Ingo Molnar authored
mm/vmacache, sched/headers: Introduce 'struct vmacache' and move it from <linux/sched.h> to <linux/mm_types> The <linux/sched.h> header includes various vmacache related defines, which are arguably misplaced. Move them to mm_types.h and minimize the sched.h impact by putting all task vmacache state into a new 'struct vmacache' structure. No change in functionality. Acked-by:
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Ingo Molnar authored
threadgroup_change_begin()/end() is a pointless wrapper around cgroup_threadgroup_change_begin()/end(), minus a might_sleep() in the !CONFIG_CGROUPS=y case. Remove the wrappery, move the might_sleep() (the down_read() already has a might_sleep() check). This debloats <linux/sched.h> a bit and simplifies this API. Update all call sites. No change in functionality. Acked-by:
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