Christoph Lameter
aadb4bc4a1
SLUB: direct pass through of page size or higher kmalloc requests ...
This gets rid of all kmalloc caches larger than page size. A kmalloc
request larger than PAGE_SIZE > 2 is going to be passed through to the page
allocator. This works both inline where we will call __get_free_pages
instead of kmem_cache_alloc and in __kmalloc.
kfree is modified to check if the object is in a slab page. If not then
the page is freed via the page allocator instead. Roughly similar to what
SLOB does.
Advantages:
- Reduces memory overhead for kmalloc array
- Large kmalloc operations are faster since they do not
need to pass through the slab allocator to get to the
page allocator.
- Performance increase of 10%-20% on alloc and 50% on free for
PAGE_SIZEd allocations.
SLUB must call page allocator for each alloc anyways since
the higher order pages which that allowed avoiding the page alloc calls
are not available in a reliable way anymore. So we are basically removing
useless slab allocator overhead.
- Large kmallocs yields page aligned object which is what
SLAB did. Bad things like using page sized kmalloc allocations to
stand in for page allocate allocs can be transparently handled and are not
distinguishable from page allocator uses.
- Checking for too large objects can be removed since
it is done by the page allocator.
Drawbacks:
- No accounting for large kmalloc slab allocations anymore
- No debugging of large kmalloc slab allocations.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-16 09:42:53 -07:00
V4L/DVB (5893): DVB: fix includes of video.h when __KERNEL__ is undefined
2007-07-30 16:26:27 -03:00
IB/mlx4: Implement FMRs
2007-10-09 19:59:16 -07:00
mmc: add led trigger
2007-09-24 07:15:48 +02:00
[MTD] [NOR] fix ctrl-alt-del can't reboot for intel flash bug
2007-10-13 14:36:18 +01:00
[NETFILTER]: Replace sk_buff ** with sk_buff *
2007-10-15 12:26:29 -07:00
[NETFILTER]: Replace sk_buff ** with sk_buff *
2007-10-15 12:26:29 -07:00
[NETFILTER]: Replace sk_buff ** with sk_buff *
2007-10-15 12:26:29 -07:00
[NETFILTER]: Replace sk_buff ** with sk_buff *
2007-10-15 12:26:29 -07:00
[NETFILTER]: Replace sk_buff ** with sk_buff *
2007-10-15 12:26:29 -07:00
knfsd: 64 bit ino support for NFS server
2007-10-09 18:31:57 -04:00
[BLOCK] Get rid of request_queue_t typedef
2007-07-24 09:28:11 +02:00
mmc_spi host driver
2007-09-23 22:17:27 +02:00
[SSB]: add Sonics Silicon Backplane bus support
2007-10-10 16:51:36 -07:00
Merge git://git.linux-nfs.org/pub/linux/nfs-2.6
2007-10-15 10:47:35 -07:00
[PKT_SCHED]: Add stateless NAT
2007-10-10 16:53:11 -07:00
docbook: fix usb content
2007-10-15 17:56:36 -07:00
ACPI: autoload modules - Create ACPI alias interface
2007-07-23 13:56:16 -04:00
PCI AER: fix warnings when PCIEAER=n
2007-09-11 04:22:16 -07:00
long vs. unsigned long - low-hanging fruits in drivers
2007-10-14 12:41:51 -07:00
[x86 setup] Make struct apm_bios_info cross-architecture
2007-07-25 12:02:21 -07:00
arcnet endianness annotations
2007-10-10 16:51:59 -07:00
libata: add human-readable error value decoding
2007-10-12 14:55:45 -04:00
[XFRM]: xfrm audit calls
2007-10-10 16:49:02 -07:00
backlight: Convert corgi backlight driver into a more generic driver
2007-10-11 22:24:13 +01:00
Drop 'size' argument from bio_endio and bi_end_io
2007-10-10 09:25:57 +02:00
[BLOCK] Move sector_div() from blkdev.h to kernel.h
2007-10-12 12:40:38 +02:00
[BLOCK] Better fix for do_blk_trace_setup() for !CONFIG_BLOCK
2007-10-12 12:50:07 +02:00
[SCSI] bsg: update sg_io_v4 structure
2007-07-31 10:43:05 -05:00
clockevents: introduce force broadcast notifier
2007-10-14 22:57:45 +02:00
[IA64] Convert to generic timekeeping/clocksource
2007-07-20 11:22:30 -07:00
coda: remove CODA_STORE/CODA_RELEASE upcalls
2007-07-21 17:49:14 -07:00
coda: remove CODA_STORE/CODA_RELEASE upcalls
2007-07-21 17:49:14 -07:00
x86: Support __attribute__((__cold__)) in gcc 4.3
2007-07-21 18:37:08 -07:00
make __chk_{user,io}_ptr() accept pointers to volatile
2007-07-26 11:11:57 -07:00
[NET]: make netlink user -> kernel interface synchronious
2007-10-10 21:15:29 -07:00
PM: Fix dependencies of CONFIG_SUSPEND and CONFIG_HIBERNATION
2007-08-31 01:42:22 -07:00
[CPUFREQ] implement !CONFIG_CPU_FREQ stub for cpufreq_unregister_notifier()
2007-10-04 18:40:57 -04:00
[CRYPTO] api: Fixed crypto_*_reqsize return type
2007-10-10 16:55:42 -07:00
[DCCP]: Tidy-up -- minisock initialisation
2007-10-10 16:54:36 -07:00
[CELL] oprofile: add support to OProfile for profiling CELL BE SPUs
2007-07-20 21:42:24 +02:00
debugfs: helper for decimal challenged
2007-10-12 14:51:03 -07:00
Driver core: change add_uevent_var to use a struct
2007-10-12 14:51:01 -07:00
introduce DMA_MASK_NONE as a signal for unable to do DMA
2007-10-16 09:42:50 -07:00
drivers/firmware: const-ify DMI API and internals
2007-10-09 20:22:20 -04:00
ax88796: add 93cx6 eeprom support
2007-10-10 16:53:56 -07:00
[BLOCK] Get rid of request_queue_t typedef
2007-07-24 09:28:11 +02:00
[CELL] oprofile: add support to OProfile for profiling CELL BE SPUs
2007-07-20 21:42:24 +02:00
[POWERPC] spufs: Cleanup ELF coredump extra notes logic
2007-09-19 15:12:19 +10:00
[NET]: Move hardware header operations out of netdevice.
2007-10-10 16:52:52 -07:00
[ETHTOOL]: Introduce ->{get,set}_priv_flags, ETHTOOL_[GS]PFLAGS
2007-10-10 16:48:08 -07:00
Introduce CONFIG_SUSPEND for suspend-to-Ram and standby
2007-07-29 16:45:38 -07:00
readahead: combine file_ra_state.prev_index/prev_offset into prev_pos
2007-10-16 09:42:52 -07:00
fs_enet: Be an of_platform device when CONFIG_PPC_CPM_NEW_BINDING is set.
2007-10-10 16:54:03 -07:00
[PARTITION] MSDOS: Fix Sun num_partitions handling.
2007-07-30 00:27:28 -07:00
[GFS2] Fix quota do_list operation hang
2007-10-10 08:55:27 +01:00
Input: gpio-keys - add suspend/resume support
2007-09-26 00:01:17 -04:00
long vs. unsigned long - low-hanging fruits in drivers
2007-10-14 12:41:51 -07:00
HID: fix HIDIOCGRDESC memory access in hidraw
2007-10-15 08:12:00 -07:00
HID: fix HIDIOCGRDESC memory access in hidraw
2007-10-15 08:12:00 -07:00
hugepage: fix broken check for offset alignment in hugepage mappings
2007-08-31 01:42:23 -07:00
hwmon: Convert from class_device to device
2007-10-09 22:56:30 -04:00
i2c: Move i2c-dev interfaces to i2c-dev.h
2007-10-13 23:56:32 +02:00
V4L/DVB (6149): Add I2C_HW_B_CX23885 for Conexant 23885/23887 PCIe bridge
2007-10-09 22:07:51 -03:00
i2c: Rename the PEC functionality bit
2007-10-13 23:56:33 +02:00
ide: move ide_config_drive_speed() calls to upper layers (take 2)
2007-10-13 17:47:51 +02:00
[PATCH] wireless networking: move frame inline functions to generic header
2007-10-10 16:52:59 -07:00
arcnet endianness annotations
2007-10-10 16:51:59 -07:00
[NETFILTER]: Replace sk_buff ** with sk_buff *
2007-10-15 12:26:29 -07:00
[NET] drivers/net: statistics cleanup #1 -- save memory and shrink code
2007-10-10 16:51:16 -07:00
[NET]: Move hardware header operations out of netdevice.
2007-10-10 16:52:52 -07:00
[NET]: netlink support for moving devices between network namespaces.
2007-10-10 16:49:13 -07:00
[PPPOL2TP]: Fix endianness annotations.
2007-08-26 18:35:42 -07:00
pppoe: endianness
2007-10-10 16:52:04 -07:00
[NET]: Move hardware header operations out of netdevice.
2007-10-10 16:52:52 -07:00
[NET] drivers/net: statistics cleanup #1 -- save memory and shrink code
2007-10-10 16:51:16 -07:00
[NET]: Make the device list and device lookups per namespace.
2007-10-10 16:49:10 -07:00
fix endianness bug in inet_lro
2007-10-14 12:41:52 -07:00
Add assembler equivalents to __init{,date}_refok
2007-10-16 09:42:49 -07:00
[NETNS]: Fix allnoconfig compilation error.
2007-10-10 16:49:21 -07:00
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2007-10-15 13:41:39 -07:00
provide stubs for enable_irq_wake() and disable_irq_wake()
2007-10-16 09:42:50 -07:00
[IPSEC]: Get rid of ipv6_{auth,esp,comp}_hdr
2007-10-10 16:55:55 -07:00
[IrDA]: EP7211 IR driver port to the latest SIR API
2007-07-21 19:07:33 -07:00
irq.h fix kernel-doc
2007-07-31 15:39:41 -07:00
Fix non-ISA link error in drivers/scsi/advansys.c
2007-09-16 21:13:58 -07:00
[ISDN]: Remove local copy of device name to make sure renames work.
2007-10-15 12:26:37 -07:00
V4L/DVB (6123): ivtv: move ivtv.h public header to include/linux
2007-10-09 22:07:28 -03:00
V4L/DVB (6119): ivtvfb: renamed ivtv-fb to ivtvfb, move header to include/linux
2007-10-09 22:07:23 -03:00
docbook: fix filesystems content
2007-10-15 17:56:36 -07:00
slow down printk during boot
2007-10-16 09:42:49 -07:00
m68k/mac: Make mac_hid_mouse_emulate_buttons() declaration visible
2007-08-22 19:52:45 -07:00
[KBUILD]: Sanitize tc_ematch headers.
2007-08-26 18:35:34 -07:00
kdebug.h: forward-declare struct struct notifier_block
2007-07-31 15:39:40 -07:00
[BLOCK] Move sector_div() from blkdev.h to kernel.h
2007-10-12 12:40:38 +02:00
sched: guest CPU accounting: add guest-CPU /proc/stat field
2007-10-15 17:00:19 +02:00
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
2007-10-12 21:27:47 -04:00
kobject: update the copyrights
2007-10-12 14:51:12 -07:00
[KTIME]: Introduce ktime_sub_ns and ktime_sub_us
2007-10-10 16:48:12 -07:00
KVM: Replace enum by #define
2007-10-13 10:18:29 +02:00
leds: Add missing include for leds.h
2007-09-11 22:24:45 +01:00
Provide timespec to guests rather than jiffies clock.
2007-07-28 19:54:33 -07:00
lguest: documentation III: Drivers
2007-07-26 11:35:17 -07:00
lguest: documentation III: Drivers
2007-07-26 11:35:17 -07:00
[libata] struct pci_dev related cleanups
2007-10-12 14:55:47 -04:00
[NETNS]: Cleanup list walking in setup_net and cleanup_net
2007-10-10 16:51:35 -07:00
lockdep: annotate rcu_read_{,un}lock{,_bh}
2007-10-11 22:11:12 +02:00
loop.h build fix
2007-07-24 12:24:59 -07:00
sh: Add maple bus support for the SEGA Dreamcast.
2007-09-21 15:55:55 +09:00
Generic bitbanged MDIO library
2007-10-10 16:54:03 -07:00
Clean up duplicate includes in include/linux/memory_hotplug.h
2007-10-16 09:42:52 -07:00
Fix NUMA Memory Policy Reference Counting
2007-09-19 11:24:18 -07:00
readahead: remove several readahead macros
2007-10-16 09:42:52 -07:00
sparsemem: record when a section has a valid mem_map
2007-10-16 09:42:51 -07:00
i2c: Kill struct i2c_device_id
2007-10-13 23:56:29 +02:00
lockdep: fixup mutex annotations
2007-10-11 22:11:12 +02:00
[WATCHDOG] mv64x60_wdt: Add arch/powerpc platform support
2007-07-24 21:16:02 +00:00
[NET]: Make socket creation namespace safe.
2007-10-10 16:49:07 -07:00
net core: fix kernel-doc for new function parameters
2007-10-13 09:52:26 -07:00
[NETFILTER]: Replace sk_buff ** with sk_buff *
2007-10-15 12:26:29 -07:00
[NETFILTER]: Replace sk_buff ** with sk_buff *
2007-10-15 12:26:29 -07:00
[NET]: make netlink user -> kernel interface synchronious
2007-10-10 21:15:29 -07:00
[NET] netconsole: Support dynamic reconfiguration using configfs
2007-10-10 16:48:06 -07:00
NFS: Add a boot parameter to disable 64 bit inode numbers
2007-10-09 17:20:52 -04:00
NFS: Clean up write code...
2007-10-09 17:15:11 -04:00
NFS: Fake up 'wcc' attributes to prevent cache invalidation after write
2007-10-09 17:19:15 -04:00
[NL80211]: add netlink interface to cfg80211
2007-10-10 16:52:14 -07:00
[NET]: Allow netdev REGISTER/CHANGENAME events to fail
2007-07-31 02:28:15 -07:00
[NET]: Add a network namespace parameter to tasks
2007-10-10 16:49:04 -07:00
[POWERPC] Remove get_property and device_is_compatible
2007-08-17 11:01:58 +10:00
[POWERPC] Constify of_platform_driver match_table
2007-07-22 21:30:59 +10:00
[CELL] oprofile: add support to OProfile for profiling CELL BE SPUs
2007-07-20 21:42:24 +02:00
filemap: convert some unsigned long to pgoff_t
2007-10-16 09:42:53 -07:00
PCI: Add 'nodomains' boot option, and pci_domains_supported global
2007-10-12 15:03:18 -07:00
8250_pci: Autodetect mainpine cards
2007-10-16 09:42:50 -07:00
PCI: modify PCI bridge control ISA flag for clarity
2007-10-12 15:03:18 -07:00
PHYLIB: IRQ event workqueue handling fixes
2007-10-10 16:53:55 -07:00
PHY fixed driver: rework release path and update phy_id notation
2007-10-10 16:53:50 -07:00
[NET_SCHED]: Making rate table lookups more flexible.
2007-10-10 16:49:20 -07:00
Driver core: Make platform_device.id an int
2007-10-12 14:51:07 -07:00
Fallout from "Remove fs.h from mm.h" patch
2007-07-30 12:25:49 -07:00
[POWERPC] Fix undefined reference to device_power_up/resume
2007-08-25 16:58:27 +10:00
PNP: fix up after Lindent
2007-07-26 11:35:21 -07:00
PNP: fix up after Lindent
2007-07-26 11:35:21 -07:00
Fix select on /proc files without ->poll
2007-09-11 17:21:20 -07:00
[PATCH] sched: arch preempt notifier mechanism
2007-07-26 13:40:43 +02:00
[NET]: Fix race when opening a proc file while a network namespace is exiting.
2007-10-10 16:49:22 -07:00
radixtree: introduce radix_tree_next_hole()
2007-10-16 09:42:52 -07:00
lockdep: annotate rcu_read_{,un}lock{,_bh}
2007-10-11 22:11:12 +02:00
fix preprocessor idiocy in reiserfs
2007-07-28 19:42:22 -07:00
more low-hanging fruits - kernel, fs, lib signedness
2007-10-14 12:41:52 -07:00
x86: PM_TRACE support
2007-07-21 18:37:10 -07:00
[RFKILL]: Add support for hardware-only rfkill buttons
2007-10-10 16:54:11 -07:00
[IPv6]: Export userland ND options through netlink (RDNSS support)
2007-10-10 21:22:05 -07:00
sched: guest CPU accounting: maintain stats in account_system_time()
2007-10-15 17:00:19 +02:00
[SCTP]: protocol definitions for SCTP-AUTH implementation
2007-10-10 16:51:28 -07:00
long vs. unsigned long - low-hanging fruits in drivers
2007-10-14 12:41:51 -07:00
fix NULL pointer dereference in __vm_enough_memory()
2007-08-22 19:52:45 -07:00
selection.h: add tty_struct forward declaration
2007-08-22 19:52:47 -07:00
[FS] seq_file: Introduce the seq_open_private()
2007-10-10 16:55:33 -07:00
Use resource_size_t for serial port IO addresses
2007-07-24 12:24:58 -07:00
wake up from a serial port
2007-10-16 09:42:50 -07:00
Serial 8250: handle saving the clear-on-read bits from the LSR and MSR
2007-08-22 19:52:44 -07:00
x86: i386-show-unhandled-signals-v3
2007-07-22 11:03:37 -07:00
signalfd simplification
2007-09-20 13:19:59 -07:00
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2007-10-15 14:06:58 -07:00
Fix ZERO_OR_NULL_PTR(ZERO_SIZE_PTR)
2007-07-20 12:33:44 -07:00
SLUB: direct pass through of page size or higher kmalloc requests
2007-10-16 09:42:53 -07:00
[TCP] MIB: Count FRTO's successfully detected spurious RTOs
2007-10-10 16:52:39 -07:00
long vs. unsigned long - low-hanging fruits in drivers
2007-10-14 12:41:51 -07:00
Introduce CONFIG_SUSPEND for suspend-to-Ram and standby
2007-07-29 16:45:38 -07:00
Drop 'size' argument from bio_endio and bi_end_io
2007-10-10 09:25:57 +02:00
[CELL] spufs: extension of spu_create to support affinity definition
2007-07-20 21:42:15 +02:00
Add CTL_PROC back
2007-07-31 15:39:39 -07:00
sysfs: add copyrights
2007-10-12 14:51:12 -07:00
[TCP]: Make snd_cwnd_cnt 32-bit
2007-10-15 12:59:43 -07:00
Cache xtime every call to update_wall_time
2007-07-25 10:17:44 -07:00
[IA64] remove time interpolator
2007-07-20 11:23:02 -07:00
sched: enable wake-idle on CONFIG_SCHED_MC=y
2007-10-15 17:00:19 +02:00
PTY: add kernel parameter to overwrite legacy pty count
2007-10-12 14:51:09 -07:00
USB: skip autosuspended devices during system resume
2007-10-12 14:55:34 -07:00
Convert uid hash to hlist
2007-09-19 11:24:18 -07:00
Convert from class_device to device for drivers/video
2007-10-12 14:51:04 -07:00
V4L/DVB (6108): videodev2.h: add new pixel formats for the cx23415 OSD
2007-10-09 22:07:04 -03:00
i386: fix iounmap's use of vm_struct's size field
2007-07-21 18:37:14 -07:00
Merge git://git.linux-nfs.org/pub/linux/nfs-2.6
2007-10-15 10:47:35 -07:00
[POWERPC] XilinxFB: Allow fixed framebuffer base address
2007-10-12 14:05:17 +10:00
[ZLIB]: Move bnx2 driver gzip unpacker into zlib.
2007-10-10 16:53:57 -07:00
