Kirill A. Shutemov 597d795a2a mm: do not allocate page->ptl dynamically, if spinlock_t fits to long ...

In struct page we have enough space to fit long-size page->ptl there,
but we use dynamically-allocated page->ptl if size(spinlock_t) is larger
than sizeof(int).

It hurts 64-bit architectures with CONFIG_GENERIC_LOCKBREAK, where
sizeof(spinlock_t) == 8, but it easily fits into struct page.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2013-12-20 12:25:45 -08:00

..

cpu

sched: Add NEED_RESCHED to the preempt_count

2013-09-25 14:07:49 +02:00

debug

kdb: Add support for external NMI handler to call KGDB/KDB

2013-10-03 18:47:54 +02:00

events

perf: Disable all pmus on unthrottling and rescheduling

2013-12-17 15:04:00 +01:00

gcov

gcov: reuse kbasename helper

2013-11-13 12:09:34 +09:00

irq

Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2013-12-02 10:15:39 -08:00

locking

locking/lockdep: Mark __lockdep_count_forward_deps() as static

2013-11-13 13:50:17 +01:00

power

Merge branch 'pm-sleep'

2013-11-19 01:07:08 +01:00

printk

printk.c: comments should refer to /proc/vmcore instead of /proc/vmcoreinfo

2013-11-13 12:09:14 +09:00

rcu

NOHZ: Check for nohz active instead of nohz enabled

2013-11-19 14:59:50 +01:00

sched

Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2013-12-19 09:11:22 -08:00

time

nohz: Fix another inconsistency between CONFIG_NO_HZ=n and nohz=off

2013-11-29 12:23:03 +01:00

trace

Merge tag 'trace-fixes-v3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2013-12-20 09:32:30 -08:00

.gitignore

Ignore generated file kernel/x509_certificate_list

2013-12-10 18:21:34 +00:00

acct.c

…

async.c

…

audit_tree.c

…

audit_watch.c

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audit.c

Merge git://git.infradead.org/users/eparis/audit

2013-11-21 19:18:14 -08:00

audit.h

audit: call audit_bprm() only once to add AUDIT_EXECVE information

2013-11-05 11:15:03 -05:00

auditfilter.c

audit: do not reject all AUDIT_INODE filter types

2013-11-05 11:09:16 -05:00

auditsc.c

audit: fix type of sessionid in audit_set_loginuid()

2013-11-06 11:47:24 -05:00

backtracetest.c

…

bounds.c

mm: do not allocate page->ptl dynamically, if spinlock_t fits to long

2013-12-20 12:25:45 -08:00

capability.c

Merge tag 'xfs-for-linus-v3.12-rc1' of git://oss.sgi.com/xfs/xfs

2013-09-09 11:19:09 -07:00

cgroup_freezer.c

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cgroup.c

cgroup: fix cgroup_subsys_state leak for seq_files

2013-11-27 18:16:21 -05:00

compat.c

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configs.c

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context_tracking.c

Merge tag 'v3.12-rc4' into sched/core

2013-10-09 12:36:13 +02:00

cpu_pm.c

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cpu.c

Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2013-11-14 16:55:11 +09:00

cpuset.c

cpuset: Fix memory allocator deadlock

2013-11-27 13:52:47 -05:00

crash_dump.c

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cred.c

…

delayacct.c

kernel/delayacct.c: remove redundant checking in __delayacct_add_tsk()

2013-11-13 12:09:12 +09:00

dma.c

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elfcore.c

switch elf_core_write_extra_phdrs() to dump_emit()

2013-11-09 00:16:23 -05:00

exec_domain.c

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exit.c

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extable.c

kernel/extable: fix address-checks for core_kernel and init areas

2013-11-28 09:49:41 -08:00

fork.c

mm: fix TLB flush race between migration, and change_protection_range

2013-12-18 19:04:51 -08:00

freezer.c

…

futex_compat.c

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futex.c

futex: move user address verification up to common code

2013-12-12 09:53:51 -08:00

groups.c

userns: Kill nsown_capable it makes the wrong thing easy

2013-08-30 23:44:11 -07:00

hrtimer.c

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hung_task.c

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2013-11-15 13:51:36 +09:00

irq_work.c

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itimer.c

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jump_label.c

static_key: WARN on usage before jump_label_init was called

2013-10-19 19:45:35 -04:00

kallsyms.c

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kcmp.c

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Kconfig.freezer

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Kconfig.hz

kernel: remove CONFIG_USE_GENERIC_SMP_HELPERS

2013-11-15 09:32:22 +09:00

Kconfig.locks

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Kconfig.preempt

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kexec.c

kexec: migrate to reboot cpu

2013-12-18 19:04:50 -08:00

kmod.c

kernel/kmod.c: check for NULL in call_usermodehelper_exec()

2013-09-30 14:31:02 -07:00

kprobes.c

kprobes: use KSYM_NAME_LEN to size identifier buffers

2013-11-13 12:09:26 +09:00

ksysfs.c

kernel: replace strict_strto*() with kstrto*()

2013-09-12 15:38:03 -07:00

kthread.c

kthread: make kthread_create() killable

2013-11-13 12:08:59 +09:00

latencytop.c

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Makefile

KEYS: Remove files generated when SYSTEM_TRUSTED_KEYRING=y

2013-12-13 15:59:11 +00:00

module_signing.c

keys: change asymmetric keys to use common hash definitions

2013-10-25 17:15:18 -04:00

module-internal.h

KEYS: Separate the kernel signature checking keyring from module signing

2013-09-25 17:17:01 +01:00

module.c

Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

2013-11-15 13:27:50 +09:00

notifier.c

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nsproxy.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2013-09-07 14:35:32 -07:00

padata.c

padata: make the sequence counter an atomic_t

2013-10-30 12:02:58 +08:00

panic.c

kernel/panic.c: reduce 1 byte usage for print tainted buffer

2013-11-13 12:09:35 +09:00

params.c

kernel/params: fix handling of signed integer types

2013-09-28 12:35:52 -07:00

pid_namespace.c

pid_namespace: make freeing struct pid_namespace rcu-delayed

2013-10-24 23:43:29 -04:00

pid.c

pidns: fix free_pid() to handle the first fork failure

2013-09-30 14:31:03 -07:00

posix-cpu-timers.c

…

posix-timers.c

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profile.c

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ptrace.c

exec/ptrace: fix get_dumpable() incorrect tests

2013-11-13 12:09:33 +09:00

range.c

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reboot.c

kexec: migrate to reboot cpu

2013-12-18 19:04:50 -08:00

relay.c

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res_counter.c

memcg: reduce function dereference

2013-09-12 15:38:02 -07:00

resource.c

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seccomp.c

…

signal.c

constify copy_siginfo_to_user{,32}()

2013-11-09 00:16:29 -05:00

smp.c

kernel: fix generic_exec_single indentation

2013-11-15 09:32:22 +09:00

smpboot.c

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smpboot.h

…

softirq.c

revert "softirq: Add support for triggering softirq work on softirqs"

2013-11-15 09:32:22 +09:00

stacktrace.c

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stop_machine.c

stop_machine: Fix race between stop_two_cpus() and stop_cpus()

2013-11-11 12:43:38 +01:00

sys_ni.c

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sys.c

kernel/sys.c: remove obsolete #include <linux/kexec.h>

2013-11-13 12:09:13 +09:00

sysctl_binary.c

kernel/sysctl_binary.c: use scnprintf() instead of snprintf()

2013-11-13 12:09:33 +09:00

sysctl.c

Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2013-11-14 16:30:30 +09:00

system_certificates.S

KEYS: correct alignment of system_certificate_list content in assembly file

2013-12-10 18:25:28 +00:00

system_keyring.c

KEYS: correct alignment of system_certificate_list content in assembly file

2013-12-10 18:25:28 +00:00

task_work.c

task_work: documentation

2013-09-11 15:58:27 -07:00

taskstats.c

genetlink: only pass array to genl_register_family_with_ops()

2013-11-19 16:39:05 -05:00

test_kprobes.c

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time.c

…

timeconst.bc

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timer.c

timer: Convert kmalloc_node(...GFP_ZERO...) to kzalloc_node(...)

2013-11-19 14:59:50 +01:00

tracepoint.c

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tsacct.c

…

uid16.c

userns: Kill nsown_capable it makes the wrong thing easy

2013-08-30 23:44:11 -07:00

up.c

kernel: provide a __smp_call_function_single stub for !CONFIG_SMP

2013-11-15 09:32:22 +09:00

user_namespace.c

KEYS: Add per-user_namespace registers for persistent per-UID kerberos caches

2013-09-24 10:35:19 +01:00

user-return-notifier.c

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user.c

KEYS: fix uninitialized persistent_keyring_register_sem

2013-12-13 15:59:11 +00:00

utsname_sysctl.c

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utsname.c

userns: Kill nsown_capable it makes the wrong thing easy

2013-08-30 23:44:11 -07:00

watchdog.c

watchdog: update watchdog_thresh properly

2013-09-24 17:00:25 -07:00

workqueue_internal.h

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workqueue.c

Merge tag 'pci-v3.13-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

2013-12-15 11:45:27 -08:00