AcoSail/kernel_optimize_test
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kernel_optimize_test/lib
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Tim Chen 27f5e0f694 tmpfs: add accurate compare function to percpu_counter library 
Add percpu_counter_compare that allows for a quick but accurate comparison
of percpu_counter with a given value.

A rough count is provided by the count field in percpu_counter structure,
without accounting for the other values stored in individual cpu counters.

The actual count is a sum of count and the cpu counters.  However, count
field is never different from the actual value by a factor of
batch*num_online_cpu.  We do not need to get actual count for comparison
if count is different from the given value by this factor and allows for
quick comparison without summing up all the per cpu counters.

Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-09 20:44:58 -07:00
..
lzo lib: add support for LZO-compressed kernels 2010-01-11 09:34:04 -08:00
reed_solomon
zlib_deflate
zlib_inflate inflate_fast: sout is already a short so ptr arith was off by one. 2010-03-12 15:52:44 -08:00
.gitignore
argv_split.c tree-wide: convert open calls to remove spaces to skip_spaces() lib function 2009-12-15 08:53:32 -08:00
atomic64_test.c ARM: 6213/1: atomic64_test: add ARM as supported architecture 2010-07-27 10:43:46 +01:00
atomic64.c lib: Fix atomic64_add_unless return value convention 2010-03-01 11:38:46 -08:00
audit.c
bcd.c
bitmap.c Revert "cpusets: randomize node rotor used in cpuset_mem_spread_node()" 2010-05-30 09:00:03 -07:00
bitrev.c
btree.c lib/btree: fix possible NULL pointer dereference 2010-05-15 12:48:10 -07:00
bug.c panic: Allow warnings to set different taint flags 2010-05-19 08:36:48 +01:00
bust_spinlocks.c
check_signature.c
checksum.c
cmdline.c
cpu-notifier-error-inject.c fault-injection: add CPU notifier error injection module 2010-05-27 09:12:48 -07:00
cpumask.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
crc-ccitt.c
crc-itu-t.c
crc-t10dif.c
crc7.c
crc16.c
crc32.c revert "crc32: use __BYTE_ORDER macro for endian detection" 2010-05-26 08:19:23 -07:00
crc32defs.h
ctype.c ctype: constify read-only _ctype string 2009-12-15 08:53:32 -08:00
debug_locks.c rcu: Introduce lockdep-based checking to RCU read-side primitives 2010-02-25 09:40:59 +01:00
debugobjects.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-05-18 08:17:58 -07:00
dec_and_lock.c
decompress_bunzip2.c bzip2: Add missing checks for malloc returning NULL 2009-12-15 14:04:19 -08:00
decompress_inflate.c
decompress_unlzma.c
decompress_unlzo.c lib: fix the use of LZO to decompress initramfs images 2010-04-24 11:31:25 -07:00
decompress.c Add LZO compression support for initramfs and old-style initrd 2010-01-11 09:34:05 -08:00
devres.c lib/devres.c: fix comment typo 2010-07-11 22:16:32 +02:00
div64.c
dma-debug.c dma-debug: Cleanup for copy-loop in filter_write() 2010-04-07 14:36:27 +02:00
dump_stack.c
dynamic_debug.c module: initialize module dynamic debug later 2010-07-04 20:17:22 -07:00
extable.c
fault-inject.c
find_last_bit.c
find_next_bit.c
flex_array.c flex_array: fix the panic when calling flex_array_alloc() without __GFP_ZERO 2010-04-24 11:31:24 -07:00
gcd.c
gen_crc32table.c crc32: major optimization 2010-05-25 08:07:06 -07:00
genalloc.c genalloc: fix allocation from end of pool 2010-06-29 15:29:30 -07:00
halfmd4.c
hexdump.c lib: introduce common method to convert hex digits 2010-05-25 08:07:05 -07:00
hweight.c x86: Add optimized popcnt variants 2010-04-06 15:52:11 -07:00
idr.c idr: fix RCU lockdep splat in idr_get_next() 2010-06-23 06:50:45 -07:00
inflate.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
int_sqrt.c
iomap_copy.c
iomap.c
iommu-helper.c iommu-helper: use bitmap library 2009-12-16 07:20:18 -08:00
ioremap.c x86, ioremap: Fix incorrect physical address handling in PAE mode 2010-07-09 11:42:03 -07:00
irq_regs.c
is_single_threaded.c
kasprintf.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
Kconfig lmb: rename to memblock 2010-07-14 17:14:00 +10:00
Kconfig.debug Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2010-08-06 11:36:30 -07:00
Kconfig.kgdb mips,kgdb: kdb low level trap catch and stack trace 2010-05-20 21:04:26 -05:00
Kconfig.kmemcheck
kernel_lock.c bkl: Fixup core_lock fallout 2009-12-14 23:55:33 +01:00
klist.c
kobject_uevent.c kobject: free memory if netlink_kernel_create() fails 2010-06-04 13:27:52 -07:00
kobject.c sysfs: Comment sysfs directory tagging logic 2010-05-21 09:37:31 -07:00
kref.c kref: remove kref_set 2010-05-21 09:37:29 -07:00
lcm.c block: Fix overrun in lcm() and move it to lib 2010-03-15 12:47:59 +01:00
libcrc32c.c
list_debug.c
list_sort.c lib: revise list_sort() header comment 2010-03-06 11:26:35 -08:00
locking-selftest-hardirq.h
locking-selftest-mutex.h
locking-selftest-rlock-hardirq.h
locking-selftest-rlock-softirq.h
locking-selftest-rlock.h
locking-selftest-rsem.h
locking-selftest-softirq.h
locking-selftest-spin-hardirq.h
locking-selftest-spin-softirq.h
locking-selftest-spin.h
locking-selftest-wlock-hardirq.h
locking-selftest-wlock-softirq.h
locking-selftest-wlock.h
locking-selftest-wsem.h
locking-selftest.c
lru_cache.c
Makefile lmb: rename to memblock 2010-07-14 17:14:00 +10:00
nlattr.c
parser.c parser: remove unnecessary strlen() 2009-12-15 08:53:33 -08:00
percpu_counter.c tmpfs: add accurate compare function to percpu_counter library 2010-08-09 20:44:58 -07:00
plist.c plist: Make plist debugging raw_spinlock aware 2009-12-14 23:55:33 +01:00
prio_heap.c
prio_tree.c
proportions.c
radix-tree.c radix-tree: fix radix_tree_prev_hole() underflow case 2010-05-27 09:12:53 -07:00
random32.c Merge branch 'master' into for-next 2010-06-16 18:08:13 +02:00
ratelimit.c ratelimit: fix the return value when __ratelimit() fails to acquire the lock 2010-04-07 08:38:04 -07:00
rational.c lib/rational.c needs module.h 2010-01-11 09:34:05 -08:00
rbtree.c rbtree: Undo augmented trees performance damage and regression 2010-07-05 14:43:50 +02:00
reciprocal_div.c
rwsem-spinlock.c rwsem generic spinlock: use IRQ save/restore spinlocks 2010-04-07 16:15:05 -07:00
rwsem.c rwsem: Test for no active locks in __rwsem_do_wake undo code 2010-05-12 18:23:34 -07:00
scatterlist.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sha1.c
show_mem.c mm: use the same log level for show_mem() 2010-03-06 11:26:27 -08:00
smp_processor_id.c
sort.c
spinlock_debug.c locking: Further name space cleanups 2009-12-14 23:55:33 +01:00
string_helpers.c
string.c lib/string.c: simplify strnstr() 2010-03-06 11:26:35 -08:00
swiotlb.c swiotlb: Make swiotlb bookkeeping functions visible in the header file. 2010-06-07 11:59:27 -04:00
syscall.c
textsearch.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ts_bm.c
ts_fsm.c
ts_kmp.c
uuid.c Unified UUID/GUID definition 2010-05-19 22:40:47 -04:00
vsprintf.c vsprintf: Recursive vsnprintf: Add "%pV", struct va_format 2010-07-04 10:40:17 -07:00