Commit 0336104d authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'akpm' (patches from Andrew) 

Merge misc fixes from Andrew Morton:
 "8 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  mm, numa: really disable NUMA balancing by default on single node machines
  MAINTAINERS: update Jingoo Han's email address
  CMA: page_isolation: check buddy before accessing it
  uidgid: make uid_valid and gid_valid work with !CONFIG_MULTIUSER
  kernfs: do not account ino_ida allocations to memcg
  gfp: add __GFP_NOACCOUNT
  tools/vm: fix page-flags build
  drivers/rtc/rtc-armada38x.c: remove unused local `flags'
parents f0897f4c b0dc2b9b

MAINTAINERS

+5 −5
Original line number Diff line number Diff line
@@ -1935,7 +1935,7 @@ S: Maintained 
F:	drivers/net/wireless/b43legacy/



BACKLIGHT CLASS/SUBSYSTEM

M:	Jingoo Han <jg1.han@samsung.com>

M:	Jingoo Han <jingoohan1@gmail.com>

M:	Lee Jones <lee.jones@linaro.org>

S:	Maintained

F:	drivers/video/backlight/
@@ -3918,7 +3918,7 @@ F: drivers/extcon/ 
F:	Documentation/extcon/



EXYNOS DP DRIVER

M:	Jingoo Han <jg1.han@samsung.com>

M:	Jingoo Han <jingoohan1@gmail.com>

L:	dri-devel@lists.freedesktop.org

S:	Maintained

F:	drivers/gpu/drm/exynos/exynos_dp*
@@ -7557,7 +7557,7 @@ S: Maintained 
F:	drivers/pci/host/*rcar*



PCI DRIVER FOR SAMSUNG EXYNOS

M:	Jingoo Han <jg1.han@samsung.com>

M:	Jingoo Han <jingoohan1@gmail.com>

L:	linux-pci@vger.kernel.org

L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)

L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
@@ -7565,7 +7565,7 @@ S: Maintained 
F:	drivers/pci/host/pci-exynos.c



PCI DRIVER FOR SYNOPSIS DESIGNWARE

M:	Jingoo Han <jg1.han@samsung.com>

M:	Jingoo Han <jingoohan1@gmail.com>

L:	linux-pci@vger.kernel.org

S:	Maintained

F:	drivers/pci/host/*designware*
@@ -8521,7 +8521,7 @@ S: Supported 
F:	sound/soc/samsung/



SAMSUNG FRAMEBUFFER DRIVER

M:	Jingoo Han <jg1.han@samsung.com>

M:	Jingoo Han <jingoohan1@gmail.com>

L:	linux-fbdev@vger.kernel.org

S:	Maintained

F:	drivers/video/fbdev/s3c-fb.c

drivers/rtc/rtc-armada38x.c

+1 −1
Original line number Diff line number Diff line
@@ -64,7 +64,7 @@ static void rtc_delayed_write(u32 val, struct armada38x_rtc *rtc, int offset) 
static int armada38x_rtc_read_time(struct device *dev, struct rtc_time *tm)

{

	struct armada38x_rtc *rtc = dev_get_drvdata(dev);

	unsigned long time, time_check, flags;

	unsigned long time, time_check;



	mutex_lock(&rtc->mutex_time);

	time = readl(rtc->regs + RTC_TIME);

fs/kernfs/dir.c

+8 −1
Original line number Diff line number Diff line
@@ -518,7 +518,14 @@ static struct kernfs_node *__kernfs_new_node(struct kernfs_root *root, 
	if (!kn)

		goto err_out1;



	ret = ida_simple_get(&root->ino_ida, 1, 0, GFP_KERNEL);

	/*

	 * If the ino of the sysfs entry created for a kmem cache gets

	 * allocated from an ida layer, which is accounted to the memcg that

	 * owns the cache, the memcg will get pinned forever. So do not account

	 * ino ida allocations.

	 */

	ret = ida_simple_get(&root->ino_ida, 1, 0,

			     GFP_KERNEL | __GFP_NOACCOUNT);

	if (ret < 0)

		goto err_out2;

	kn->ino = ret;

include/linux/gfp.h

+2 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ struct vm_area_struct; 
#define ___GFP_HARDWALL		0x20000u

#define ___GFP_THISNODE		0x40000u

#define ___GFP_RECLAIMABLE	0x80000u

#define ___GFP_NOACCOUNT	0x100000u

#define ___GFP_NOTRACK		0x200000u

#define ___GFP_NO_KSWAPD	0x400000u

#define ___GFP_OTHER_NODE	0x800000u
@@ -87,6 +88,7 @@ struct vm_area_struct; 
#define __GFP_HARDWALL   ((__force gfp_t)___GFP_HARDWALL) /* Enforce hardwall cpuset memory allocs */

#define __GFP_THISNODE	((__force gfp_t)___GFP_THISNODE)/* No fallback, no policies */

#define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE) /* Page is reclaimable */

#define __GFP_NOACCOUNT	((__force gfp_t)___GFP_NOACCOUNT) /* Don't account to kmemcg */

#define __GFP_NOTRACK	((__force gfp_t)___GFP_NOTRACK)  /* Don't track with kmemcheck */



#define __GFP_NO_KSWAPD	((__force gfp_t)___GFP_NO_KSWAPD)

include/linux/memcontrol.h

+4 −0
Original line number Diff line number Diff line
@@ -463,6 +463,8 @@ memcg_kmem_newpage_charge(gfp_t gfp, struct mem_cgroup **memcg, int order) 
	if (!memcg_kmem_enabled())

		return true;



	if (gfp & __GFP_NOACCOUNT)

		return true;

	/*

	 * __GFP_NOFAIL allocations will move on even if charging is not

	 * possible. Therefore we don't even try, and have this allocation
@@ -522,6 +524,8 @@ memcg_kmem_get_cache(struct kmem_cache *cachep, gfp_t gfp) 
{

	if (!memcg_kmem_enabled())

		return cachep;

	if (gfp & __GFP_NOACCOUNT)

		return cachep;

	if (gfp & __GFP_NOFAIL)

		return cachep;

	if (in_interrupt() || (!current->mm) || (current->flags & PF_KTHREAD))

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