Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
sched: Move MM CID related functions to sched.h
There is nothing mm specific in that and including mm.h can cause header
recursion hell.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20251027084306.778457951@linutronix.de
authored by
Thomas Gleixner
and committed by
Ingo Molnar
4fc9225d
7702a9c2
+26
-25
-25
include/linux/mm.h
-25
include/linux/mm.h
···
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/* Set in unmap_vmas() to indicate a final unmap call. Only used by hugetlb */
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#define ZAP_FLAG_UNMAP ((__force zap_flags_t) BIT(1))
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-
#ifdef CONFIG_SCHED_MM_CID
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void sched_mm_cid_before_execve(struct task_struct *t);
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void sched_mm_cid_after_execve(struct task_struct *t);
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void sched_mm_cid_fork(struct task_struct *t);
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void sched_mm_cid_exit_signals(struct task_struct *t);
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static inline int task_mm_cid(struct task_struct *t)
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{
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return t->mm_cid;
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}
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#else
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static inline void sched_mm_cid_before_execve(struct task_struct *t) { }
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static inline void sched_mm_cid_after_execve(struct task_struct *t) { }
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static inline void sched_mm_cid_fork(struct task_struct *t) { }
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static inline void sched_mm_cid_exit_signals(struct task_struct *t) { }
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static inline int task_mm_cid(struct task_struct *t)
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{
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/*
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* Use the processor id as a fall-back when the mm cid feature is
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* disabled. This provides functional per-cpu data structure accesses
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* in user-space, althrough it won't provide the memory usage benefits.
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*/
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return raw_smp_processor_id();
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}
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#endif
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-
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#ifdef CONFIG_MMU
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extern bool can_do_mlock(void);
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#else
+26
include/linux/sched.h
+26
include/linux/sched.h
···
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#define alloc_tag_restore(_tag, _old) do {} while (0)
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#endif
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+
/* Avoids recursive inclusion hell */
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#ifdef CONFIG_SCHED_MM_CID
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void sched_mm_cid_before_execve(struct task_struct *t);
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void sched_mm_cid_after_execve(struct task_struct *t);
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void sched_mm_cid_fork(struct task_struct *t);
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void sched_mm_cid_exit_signals(struct task_struct *t);
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static inline int task_mm_cid(struct task_struct *t)
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{
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return t->mm_cid;
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}
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#else
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static inline void sched_mm_cid_before_execve(struct task_struct *t) { }
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static inline void sched_mm_cid_after_execve(struct task_struct *t) { }
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static inline void sched_mm_cid_fork(struct task_struct *t) { }
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static inline void sched_mm_cid_exit_signals(struct task_struct *t) { }
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static inline int task_mm_cid(struct task_struct *t)
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{
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/*
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* Use the processor id as a fall-back when the mm cid feature is
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* disabled. This provides functional per-cpu data structure accesses
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* in user-space, althrough it won't provide the memory usage benefits.
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*/
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return task_cpu(t);
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}
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#endif
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+
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#ifndef MODULE
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#ifndef COMPILE_OFFSETS
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