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Merge branch 'akpm' (patches from Andrew)

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Merge more updates from Andrew Morton:

 - procfs updates

 - various misc bits

 - lib/ updates

 - epoll updates

 - autofs

 - fatfs

 - a few more MM bits

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (58 commits)
  mm/page_io.c: fix polled swap page in
  checkpatch: add Co-developed-by to signature tags
  docs: fix Co-Developed-by docs
  drivers/base/platform.c: kmemleak ignore a known leak
  fs: don't open code lru_to_page()
  fs/: remove caller signal_pending branch predictions
  mm/: remove caller signal_pending branch predictions
  arch/arc/mm/fault.c: remove caller signal_pending_branch predictions
  kernel/sched/: remove caller signal_pending branch predictions
  kernel/locking/mutex.c: remove caller signal_pending branch predictions
  mm: select HAVE_MOVE_PMD on x86 for faster mremap
  mm: speed up mremap by 20x on large regions
  mm: treewide: remove unused address argument from pte_alloc functions
  initramfs: cleanup incomplete rootfs
  scripts/gdb: fix lx-version string output
  kernel/kcov.c: mark write_comp_data() as notrace
  kernel/sysctl: add panic_print into sysctl
  panic: add options to print system info when panic happens
  bfs: extra sanity checking and static inode bitmap
  exec: separate MM_ANONPAGES and RLIMIT_STACK accounting
  ...
This commit is contained in:
Linus Torvalds
2019-01-05 09:16:18 -08:00
parent 3fed6ae4b0 b685a7350a
commit a65981109f
138 changed files with 747 additions and 588 deletions
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2
kernel/sched/core.c
View File

@@ -3416,7 +3416,7 @@ static void __sched notrace __schedule(bool preempt)
switch_count = &prev->nivcsw;
if (!preempt && prev->state) {
if (unlikely(signal_pending_state(prev->state, prev))) {
if (signal_pending_state(prev->state, prev)) {
prev->state = TASK_RUNNING;
} else {
deactivate_task(rq, prev, DEQUEUE_SLEEP | DEQUEUE_NOCLOCK);

2
kernel/sched/swait.c
View File

@@ -93,7 +93,7 @@ long prepare_to_swait_event(struct swait_queue_head *q, struct swait_queue *wait
long ret = 0;
raw_spin_lock_irqsave(&q->lock, flags);
if (unlikely(signal_pending_state(state, current))) {
if (signal_pending_state(state, current)) {
/*
* See prepare_to_wait_event(). TL;DR, subsequent swake_up_one()
* must not see us.

2
kernel/sched/wait.c
View File

@@ -264,7 +264,7 @@ long prepare_to_wait_event(struct wait_queue_head *wq_head, struct wait_queue_en
long ret = 0;
spin_lock_irqsave(&wq_head->lock, flags);
if (unlikely(signal_pending_state(state, current))) {
if (signal_pending_state(state, current)) {
/*
* Exclusive waiter must not fail if it was selected by wakeup,
* it should "consume" the condition we were waiting for.