/* Copyright (C) 2009 Red Hat, Inc. * * See ../COPYING for licensing terms. */ #include #include #include #include #include /* * use_mm * Makes the calling kernel thread take on the specified * mm context. * (Note: this routine is intended to be called only * from a kernel thread context) */ void use_mm(struct mm_struct *mm) { struct mm_struct *active_mm; struct task_struct *tsk = current; task_lock(tsk); active_mm = tsk->active_mm; if (active_mm != mm) { atomic_inc(&mm->mm_count); tsk->active_mm = mm; } tsk->mm = mm; switch_mm(active_mm, mm, tsk); task_unlock(tsk); #ifdef finish_arch_post_lock_switch finish_arch_post_lock_switch(); #endif if (active_mm != mm) mmdrop(active_mm); } EXPORT_SYMBOL_GPL(use_mm); /* * unuse_mm * Reverses the effect of use_mm, i.e. releases the * specified mm context which was earlier taken on * by the calling kernel thread * (Note: this routine is intended to be called only * from a kernel thread context) */ void unuse_mm(struct mm_struct *mm) { struct task_struct *tsk = current; task_lock(tsk); sync_mm_rss(mm); tsk->mm = NULL; /* active_mm is still 'mm' */ enter_lazy_tlb(mm, tsk); task_unlock(tsk); } EXPORT_SYMBOL_GPL(unuse_mm); packet-rx-pump-back'>packet-rx-pump-back net-next plumbingsTobias Klauser
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authorVenkat Reddy Talla <vreddytalla@nvidia.com>2016-11-17 23:24:36 +0530
committerMark Brown <broonie@kernel.org>2016-11-23 16:27:42 +0000
commit983779235a4d08f94e8cda073200423e0ff01d2e (patch)
tree254b624bd499c14b09d55abaf209ea95f3c860f7 /include/xen/interface/io/kbdif.h
parent383d0fca7035a12f1201277d33e8fc87c9d60c9a (diff)
regulator: max77620: add documentation for MPOK property
Adding documentation for maxim,power-ok-control dts property Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/xen/interface/io/kbdif.h')