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Merge branch 'akpm' (Fixups from Andrew) 

Merge misc fixes from Andrew Morton:
 "Followups, fixes and some random stuff I found on the internet."

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (11 patches)
  perf: fix duplicate header inclusion
  memcg, kmem: fix build error when CONFIG_INET is disabled
  rtc: kconfig: fix RTC_INTF defaults connected to RTC_CLASS
  rapidio: fix comment
  lib/kasprintf.c: use kmalloc_track_caller() to get accurate traces for kvasprintf
  rapidio: update for destination ID allocation
  rapidio: update asynchronous discovery initialization
  rapidio: use msleep in discovery wait
  mm: compaction: fix bit ranges in {get,clear,set}_pageblock_skip()
  arch/powerpc/platforms/pseries/hotplug-memory.c: section removal cleanups
  arch/powerpc/platforms/pseries/hotplug-memory.c: fix section handling code
This commit is contained in:
Linus Torvalds 2012-10-11 10:14:16 +09:00
parent ce40be7a82 ec073619cd
commit 14ffe009ca
9 changed files with 79 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
arch/powerpc/platforms/pseries/hotplug-memory.c
View File

@ -77,8 +77,9 @@ static int pseries_remove_memblock(unsigned long base, unsigned int memblock_siz
{
unsigned long start, start_pfn;
struct zone *zone;
int i, ret;
int sections_to_remove;
int ret;
unsigned long section;
unsigned long sections_to_remove;
start_pfn = base >> PAGE_SHIFT;
@ -99,9 +100,9 @@ static int pseries_remove_memblock(unsigned long base, unsigned int memblock_siz
* while writing to it. So we have to defer it to here.
*/
sections_to_remove = (memblock_size >> PAGE_SHIFT) / PAGES_PER_SECTION;
for (i = 0; i < sections_to_remove; i++) {
unsigned long pfn = start_pfn + i * PAGES_PER_SECTION;
ret = __remove_pages(zone, start_pfn, PAGES_PER_SECTION);
for (section = 0; section < sections_to_remove; section++) {
unsigned long pfn = start_pfn + section * PAGES_PER_SECTION;
ret = __remove_pages(zone, pfn, PAGES_PER_SECTION);
if (ret)
return ret;
}

40
drivers/rapidio/rio-scan.c
View File

@ -55,9 +55,9 @@ static int rio_mport_phys_table[] = {
};
/*
/**
* rio_destid_alloc - Allocate next available destID for given network
* net: RIO network
* @net: RIO network
*
* Returns next available device destination ID for the specified RIO network.
* Marks allocated ID as one in use.
@ -69,14 +69,9 @@ static u16 rio_destid_alloc(struct rio_net *net)
struct rio_id_table *idtab = &net->destid_table;
spin_lock(&idtab->lock);
destid = find_next_zero_bit(idtab->table, idtab->max, idtab->next);
if (destid >= idtab->max)
destid = find_first_zero_bit(idtab->table, idtab->max);
destid = find_first_zero_bit(idtab->table, idtab->max);
if (destid < idtab->max) {
idtab->next = destid + 1;
if (idtab->next >= idtab->max)
idtab->next = 0;
set_bit(destid, idtab->table);
destid += idtab->start;
} else
@ -86,10 +81,10 @@ static u16 rio_destid_alloc(struct rio_net *net)
return (u16)destid;
}
/*
/**
* rio_destid_reserve - Reserve the specivied destID
* net: RIO network
* destid: destID to reserve
* @net: RIO network
* @destid: destID to reserve
*
* Tries to reserve the specified destID.
* Returns 0 if successfull.
@ -106,10 +101,10 @@ static int rio_destid_reserve(struct rio_net *net, u16 destid)
return oldbit;
}
/*
/**
* rio_destid_free - free a previously allocated destID
* net: RIO network
* destid: destID to free
* @net: RIO network
* @destid: destID to free
*
* Makes the specified destID available for use.
*/
@ -123,9 +118,9 @@ static void rio_destid_free(struct rio_net *net, u16 destid)
spin_unlock(&idtab->lock);
}
/*
/**
* rio_destid_first - return first destID in use
* net: RIO network
* @net: RIO network
*/
static u16 rio_destid_first(struct rio_net *net)
{
@ -142,10 +137,10 @@ static u16 rio_destid_first(struct rio_net *net)
return (u16)destid;
}
/*
/**
* rio_destid_next - return next destID in use
* net: RIO network
* from: destination ID from which search shall continue
* @net: RIO network
* @from: destination ID from which search shall continue
*/
static u16 rio_destid_next(struct rio_net *net, u16 from)
{
@ -1163,8 +1158,8 @@ static struct rio_net __devinit *rio_alloc_net(struct rio_mport *port,
net = kzalloc(sizeof(struct rio_net), GFP_KERNEL);
if (net && do_enum) {
net->destid_table.table = kzalloc(
BITS_TO_LONGS(RIO_MAX_ROUTE_ENTRIES(port->sys_size)) *
net->destid_table.table = kcalloc(
BITS_TO_LONGS(RIO_MAX_ROUTE_ENTRIES(port->sys_size)),
sizeof(long),
GFP_KERNEL);
@ -1174,7 +1169,6 @@ static struct rio_net __devinit *rio_alloc_net(struct rio_mport *port,
net = NULL;
} else {
net->destid_table.start = start;
net->destid_table.next = 0;
net->destid_table.max =
RIO_MAX_ROUTE_ENTRIES(port->sys_size);
spin_lock_init(&net->destid_table.lock);
@ -1391,7 +1385,7 @@ int __devinit rio_disc_mport(struct rio_mport *mport)
while (time_before(jiffies, to_end)) {
if (rio_enum_complete(mport))
goto enum_done;
schedule_timeout_uninterruptible(msecs_to_jiffies(10));
msleep(10);
}
pr_debug("RIO: discovery timeout on mport %d %s\n",

73
drivers/rapidio/rio.c
View File

@ -1275,49 +1275,68 @@ static void __devinit disc_work_handler(struct work_struct *_work)
pr_debug("RIO: discovery work for mport %d %s\n",
work->mport->id, work->mport->name);
rio_disc_mport(work->mport);
kfree(work);
}
int __devinit rio_init_mports(void)
{
struct rio_mport *port;
struct rio_disc_work *work;
int no_disc = 0;
int n = 0;
if (!next_portid)
return -ENODEV;
/*
* First, run enumerations and check if we need to perform discovery
* on any of the registered mports.
*/
list_for_each_entry(port, &rio_mports, node) {
if (port->host_deviceid >= 0)
rio_enum_mport(port);
else if (!no_disc) {
if (!rio_wq) {
rio_wq = alloc_workqueue("riodisc", 0, 0);
if (!rio_wq) {
pr_err("RIO: unable allocate rio_wq\n");
no_disc = 1;
continue;
}
}
else
n++;
}
work = kzalloc(sizeof *work, GFP_KERNEL);
if (!work) {
pr_err("RIO: no memory for work struct\n");
no_disc = 1;
continue;
}
if (!n)
goto no_disc;
work->mport = port;
INIT_WORK(&work->work, disc_work_handler);
queue_work(rio_wq, &work->work);
/*
* If we have mports that require discovery schedule a discovery work
* for each of them. If the code below fails to allocate needed
* resources, exit without error to keep results of enumeration
* process (if any).
* TODO: Implement restart of dicovery process for all or
* individual discovering mports.
*/
rio_wq = alloc_workqueue("riodisc", 0, 0);
if (!rio_wq) {
pr_err("RIO: unable allocate rio_wq\n");
goto no_disc;
}
work = kcalloc(n, sizeof *work, GFP_KERNEL);
if (!work) {
pr_err("RIO: no memory for work struct\n");
destroy_workqueue(rio_wq);
goto no_disc;
}
n = 0;
list_for_each_entry(port, &rio_mports, node) {
if (port->host_deviceid < 0) {
work[n].mport = port;
INIT_WORK(&work[n].work, disc_work_handler);
queue_work(rio_wq, &work[n].work);
n++;
}
}
if (rio_wq) {
pr_debug("RIO: flush discovery workqueue\n");
flush_workqueue(rio_wq);
pr_debug("RIO: flush discovery workqueue finished\n");
destroy_workqueue(rio_wq);
}
flush_workqueue(rio_wq);
pr_debug("RIO: destroy discovery workqueue\n");
destroy_workqueue(rio_wq);
kfree(work);
no_disc:
rio_init();
return 0;

3
drivers/rtc/Kconfig
View File

@ -59,6 +59,7 @@ comment "RTC interfaces"
config RTC_INTF_SYSFS
boolean "/sys/class/rtc/rtcN (sysfs)"
depends on SYSFS
default RTC_CLASS
help
Say yes here if you want to use your RTCs using sysfs interfaces,
/sys/class/rtc/rtc0 through /sys/.../rtcN.
@ -68,6 +69,7 @@ config RTC_INTF_SYSFS
config RTC_INTF_PROC
boolean "/proc/driver/rtc (procfs for rtcN)"
depends on PROC_FS
default RTC_CLASS
help
Say yes here if you want to use your system clock RTC through
the proc interface, /proc/driver/rtc.
@ -79,6 +81,7 @@ config RTC_INTF_PROC
config RTC_INTF_DEV
boolean "/dev/rtcN (character devices)"
default RTC_CLASS
help
Say yes here if you want to use your RTCs using the /dev
interfaces, which "udev" sets up as /dev/rtc0 through

4
include/linux/memcontrol.h
View File

@ -396,7 +396,7 @@ enum {
};
struct sock;
#ifdef CONFIG_MEMCG_KMEM
#if defined(CONFIG_INET) && defined(CONFIG_MEMCG_KMEM)
void sock_update_memcg(struct sock *sk);
void sock_release_memcg(struct sock *sk);
#else
@ -406,6 +406,6 @@ static inline void sock_update_memcg(struct sock *sk)
static inline void sock_release_memcg(struct sock *sk)
{
}
#endif /* CONFIG_MEMCG_KMEM */
#endif /* CONFIG_INET && CONFIG_MEMCG_KMEM */
#endif /* _LINUX_MEMCONTROL_H */

6
include/linux/pageblock-flags.h
View File

@ -71,13 +71,13 @@ void set_pageblock_flags_group(struct page *page, unsigned long flags,
#ifdef CONFIG_COMPACTION
#define get_pageblock_skip(page) \
get_pageblock_flags_group(page, PB_migrate_skip, \
PB_migrate_skip + 1)
PB_migrate_skip)
#define clear_pageblock_skip(page) \
set_pageblock_flags_group(page, 0, PB_migrate_skip, \
PB_migrate_skip + 1)
PB_migrate_skip)
#define set_pageblock_skip(page) \
set_pageblock_flags_group(page, 1, PB_migrate_skip, \
PB_migrate_skip + 1)
PB_migrate_skip)
#endif /* CONFIG_COMPACTION */
#define get_pageblock_flags(page) \

3
include/linux/rio.h
View File

@ -63,7 +63,7 @@
*
* 0 RapidIO inbound doorbells
* 1 RapidIO inbound mailboxes
* 1 RapidIO outbound mailboxes
* 2 RapidIO outbound mailboxes
*/
#define RIO_DOORBELL_RESOURCE 0
#define RIO_INB_MBOX_RESOURCE 1
@ -266,7 +266,6 @@ struct rio_mport {
struct rio_id_table {
u16 start; /* logical minimal id */
u16 next; /* hint for find */
u32 max; /* max number of IDs in table */
spinlock_t lock;
unsigned long *table;

2
lib/kasprintf.c
View File

@ -21,7 +21,7 @@ char *kvasprintf(gfp_t gfp, const char *fmt, va_list ap)
len = vsnprintf(NULL, 0, fmt, aq);
va_end(aq);
p = kmalloc(len+1, gfp);
p = kmalloc_track_caller(len+1, gfp);
if (!p)
return NULL;

1
tools/perf/util/include/linux/rbtree.h
View File

@ -1,3 +1,2 @@
#include <stdbool.h>
#include <stdbool.h>
#include "../../../../include/linux/rbtree.h"