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msm-4.14/lib
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Ross Zwisler 21ef533931 radix-tree: add support for multi-order iterating 
This enables the macros radix_tree_for_each_slot() and friends to be
used with multi-order entries.

The way that this works is that we treat all entries in a given slots[]
array as a single chunk.  If the index given to radix_tree_next_chunk()
happens to point us to a sibling entry, we will back up iter->index so
that it points to the canonical entry, and that will be the place where
we start our iteration.

As we're processing a chunk in radix_tree_next_slot(), we process
canonical entries, skip over sibling entries, and restart the chunk
lookup if we find a non-sibling indirect pointer.  This drops back to
the radix_tree_next_chunk() code, which will re-walk the tree and look
for another chunk.

This allows us to properly handle multi-order entries mixed with other
entries that are at various heights in the radix tree.

Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Kirill Shutemov <kirill.shutemov@linux.intel.com>
Cc: Jan Kara <jack@suse.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-20 17:58:30 -07:00
..
842
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2016-03-17 21:38:27 -07:00
fonts
fonts: Add 6x10 font
2014-10-09 11:35:48 +03:00
lz4
lib: lz4: cleanup unaligned access efficiency detection
2016-04-13 09:22:49 -07:00
lzo
lzo: check for length overrun in variable length encoding.
2014-09-28 11:08:01 +02:00
mpi
lib/mpi: mpi_read_raw_from_sgl(): fix out-of-bounds buffer access
2016-04-05 20:35:51 +08:00
raid6
powerpc: Create disable_kernel_{fp,altivec,vsx,spe}()
2015-12-01 13:52:25 +11:00
reed_solomon
…
xz
lib/xz: enable all filters by default in Kconfig
2014-06-04 16:54:18 -07:00
zlib_deflate
zlib_deflate/deftree: remove bi_reverse()
2015-09-10 13:29:01 -07:00
zlib_inflate
zlib: clean up some dead code
2014-08-06 18:01:24 -07:00
.gitignore
…
argv_split.c
…
asn1_decoder.c
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2016-05-17 09:33:39 -07:00
assoc_array.c
assoc_array: don't call compare_object() on a node
2016-04-06 14:06:48 +01:00
atomic64_test.c
x86/cpufeature: Carve out X86_FEATURE_*
2016-01-30 11:22:17 +01:00
atomic64.c
atomic: Provide atomic_{or,xor,and}
2015-07-27 14:06:24 +02:00
audit.c
syscalls: implement execveat() system call
2014-12-13 12:42:51 -08:00
bcd.c
…
bch.c
…
bitmap.c
lib/bitmap.c: conversion routines to/from u32 array
2016-02-19 22:54:09 -05:00
bitrev.c
ARM: 8187/1: add CONFIG_HAVE_ARCH_BITREVERSE to support rbit instruction
2014-12-22 16:43:06 +00:00
bsearch.c
…
btree.c
treewide: Remove old email address
2015-11-23 09:44:58 +01:00
bug.c
lib/bug.c: use common WARN helper
2016-03-17 15:09:34 -07:00
build_OID_registry
…
bust_spinlocks.c
…
check_signature.c
…
checksum.c
ipv4: Update parameters for csum_tcpudp_magic to their original types
2016-03-13 23:55:13 -04:00
clz_ctz.c
lib/clz_ctz.c: add prototype declarations in lib/clz_ctz.c
2014-04-03 16:21:12 -07:00
clz_tab.c
…
cmdline.c
lib: Add a generic cmdline parse function parse_option_str
2014-10-03 18:40:58 +01:00
compat_audit.c
audit: Add generic compat syscall support
2014-03-20 10:11:35 -04:00
cordic.c
…
cpu_rmap.c
sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask()
2015-05-27 15:22:15 +02:00
cpu-notifier-error-inject.c
…
cpumask.c
cpumask: Export cpumask_any_but()
2016-02-29 09:35:20 +01:00
crc7.c
lib/crc7: Shift crc7() output left 1 bit
2014-05-16 14:26:52 -04:00
crc8.c
…
crc16.c
…
crc32.c
lib: crc32: Add some additional __pure annotations
2014-06-25 16:04:00 -07:00
crc32defs.h
…
crc-ccitt.c
…
crc-itu-t.c
lib: crc-itu-t.[ch] fix 0x0x prefix in integer constants
2015-05-26 15:26:43 +02:00
crc-t10dif.c
lib: introduce crc_t10dif_update()
2015-05-30 22:42:24 -07:00
ctype.c
…
debug_info.c
kbuild: include core debug info when DEBUG_INFO_REDUCED
2015-06-11 15:08:32 +02:00
debug_locks.c
…
debugobjects.c
debugobjects: insulate non-fixup logic related to static obj from fixup callbacks
2016-05-19 19:12:14 -07:00
dec_and_lock.c
…
decompress_bunzip2.c
lib/decompressors: use real out buf size for gunzip with kernel
2015-09-10 13:29:01 -07:00
decompress_inflate.c
lib/decompressors: use real out buf size for gunzip with kernel
2015-09-10 13:29:01 -07:00
decompress_unlz4.c
lib/decompressors: use real out buf size for gunzip with kernel
2015-09-10 13:29:01 -07:00
decompress_unlzma.c
lib/decompress_unlzma: Do a NULL check for pointer
2015-09-10 13:29:01 -07:00
decompress_unlzo.c
lib/decompressors: use real out buf size for gunzip with kernel
2015-09-10 13:29:01 -07:00
decompress_unxz.c
lib/decompressors: use real out buf size for gunzip with kernel
2015-09-10 13:29:01 -07:00
decompress.c
lib/decompress: set the compressor name to NULL on error
2015-07-17 16:39:54 -07:00
devres.c
devres: use to_pci_dev()
2016-02-07 23:17:59 -08:00
digsig.c
KEYS: Merge the type-specific data with the payload data
2015-10-21 15:18:36 +01:00
div64.c
__div64_32(): make it overridable at compile time
2015-11-16 14:42:12 -05:00
dma-debug.c
dma-debug: switch check from _text to _stext
2016-01-14 16:00:49 -08:00
dma-noop.c
dma: Provide simple noop dma ops
2016-03-02 17:01:55 +02:00
dump_stack.c
dump_stack: avoid potential deadlocks
2016-02-05 18:10:40 -08:00
dynamic_debug.c
convert a bunch of open-coded instances of memdup_user_nul()
2016-01-04 10:26:58 -05:00
dynamic_queue_limits.c
lib/dynamic_queue_limits.c: simplify includes
2015-02-12 18:54:15 -08:00
earlycpio.c
earlycpio.c: Fix the confusing comment of find_cpio_data().
2013-08-14 23:24:01 +02:00
extable.c
extable: add support for relative extables to search and sort routines
2016-02-24 14:57:26 +00:00
fault-inject.c
fault-inject: fix inverted interval/probability values in printk
2015-10-23 17:55:10 +09:00
fdt_empty_tree.c
lib: add fdt_empty_tree.c
2014-04-30 19:49:37 +01:00
fdt_ro.c
…
fdt_rw.c
…
fdt_strerror.c
…
fdt_sw.c
…
fdt_wip.c
…
fdt.c
…
find_bit.c
lib: rename lib/find_next_bit.c to lib/find_bit.c
2015-04-17 09:03:54 -04:00
flex_array.c
reciprocal_divide: update/correction of the algorithm
2014-01-21 23:17:20 -08:00
flex_proportions.c
lib+mm: fix few spelling mistakes
2016-02-15 11:18:23 +01:00
gcd.c
…
gen_crc32table.c
lib: crc32: constify crc32 lookup table
2015-02-13 21:21:35 -08:00
genalloc.c
CPM/QE: use genalloc to manage CPM/QE muram
2015-12-22 17:10:18 -06:00
glob.c
lib/glob.c: add CONFIG_GLOB_SELFTEST
2014-08-06 18:01:25 -07:00
halfmd4.c
lib/halfmd4.c: use rol32 inline function in the ROUND macro
2015-11-06 17:50:42 -08:00
hexdump.c
lib/hexdump.c: truncate output in case of overflow
2015-11-06 17:50:42 -08:00
hweight.c
Make ARCH_HAS_FAST_MULTIPLIER a real config variable
2014-09-13 11:14:53 -07:00
idr.c
mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd
2015-11-06 17:50:42 -08:00
inflate.c
…
int_sqrt.c
…
interval_tree_test.c
lib: Export interval_tree
2014-05-05 09:09:14 +02:00
interval_tree.c
lib/interval_tree.c: simplify includes
2015-02-12 18:54:15 -08:00
iomap_copy.c
lib/iomap_copy.c: add __ioread32_copy()
2016-01-20 17:09:18 -08:00
iomap.c
Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP
2014-04-07 16:36:11 -07:00
iommu-common.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
2015-11-05 16:34:48 -08:00
iommu-helper.c
…
ioremap.c
x86, mm: support huge KVA mappings on x86
2015-04-14 16:49:04 -07:00
iov_iter.c
Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-18 11:46:23 -07:00
irq_poll.c
irq_poll: Fix irq_poll_sched()
2016-01-19 15:26:55 -05:00
irq_regs.c
…
is_single_threaded.c
lib/is_single_threaded.c: change current_is_single_threaded() to use for_each_thread()
2015-11-06 17:50:42 -08:00
jedec_ddr_data.c
…
kasprintf.c
lib/kasprintf.c: add sanity check to kvasprintf
2016-01-16 11:17:27 -08:00
Kconfig
raxix-tree: introduce CONFIG_RADIX_TREE_MULTIORDER
2016-05-20 17:58:30 -07:00
Kconfig.debug
rcutorture: Add RCU grace-period performance tests
2016-03-31 13:37:38 -07:00
Kconfig.kasan
mm, kasan: stackdepot implementation. Enable stackdepot for SLAB
2016-03-25 16:37:42 -07:00
Kconfig.kgdb
kdb: Allow access to sensitive commands to be restricted by default
2014-11-11 09:31:52 -06:00
Kconfig.kmemcheck
…
Kconfig.ubsan
ubsan: fix tree-wide -Wmaybe-uninitialized false positives
2016-03-22 15:36:02 -07:00
kfifo.c
kfifo: use BUG_ON
2014-08-08 15:57:25 -07:00
klist.c
klist: fix starting point removed bug in klist iterators
2016-02-07 22:18:47 -08:00
kobject_uevent.c
lib/kobject_uevent.c: remove redundant include
2015-02-12 18:54:15 -08:00
kobject.c
kobject: export kset_find_obj() for module use
2016-02-09 17:36:34 -08:00
kstrtox.c
lib: add "on"/"off" support to kstrtobool
2016-03-17 15:09:34 -07:00
kstrtox.h
…
lcm.c
block: fix blk_stack_limits() regression due to lcm() change
2015-03-31 09:45:50 -06:00
libcrc32c.c
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2016-01-22 11:58:43 -08:00
list_debug.c
list: kill list_force_poison()
2016-03-09 15:43:42 -08:00
list_sort.c
lib/list_sort: use late_initcall to hook in self tests
2015-06-16 14:12:35 -04:00
llist.c
lib/llist.c: fix data race in llist_del_first
2015-11-06 17:50:42 -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
locking/lockdep: Revert qrwlock recusive stuff
2014-10-03 06:09:30 +02:00
lockref.c
locking/lockref: Remove homebrew cmpxchg64_relaxed() macro definition
2015-08-12 11:59:04 +02:00
lru_cache.c
lru_cache: Converted lc_seq_printf_status to return void
2015-11-25 09:22:02 -07:00
Makefile
include/linux/nodemask.h: create next_node_in() helper
2016-05-19 19:12:14 -07:00
md5.c
lib/md5.c: simplify include
2015-02-12 18:54:15 -08:00
memory-notifier-error-inject.c
…
memweight.c
…
net_utils.c
mac_pton: Use bool not int return
2014-06-25 17:45:43 -07:00
netdev-notifier-error-inject.c
net: Add support for CHANGEUPPER notifier error injection
2015-12-03 11:49:23 -05:00
nlattr.c
libnl: fix help of _64bit functions
2016-04-23 20:13:24 -04:00
nmi_backtrace.c
printk/nmi: generic solution for safe printk in NMI
2016-05-20 17:58:30 -07:00
nodemask.c
include/linux/nodemask.h: create next_node_in() helper
2016-05-19 19:12:14 -07:00
notifier-error-inject.c
…
notifier-error-inject.h
…
of-reconfig-notifier-error-inject.c
…
oid_registry.c
…
once.c
once: make helper generic for calling functions once
2015-10-08 05:26:36 -07:00
parser.c
lib/parser.c: put EXPORT_SYMBOLs in the conventional place
2014-01-23 16:36:55 -08:00
pci_iomap.c
libnvdimm for 4.3:
2015-09-08 14:35:59 -07:00
percpu_counter.c
percpu_counter: update debugobjects fixup callbacks return type
2016-05-19 19:12:14 -07:00
percpu_ida.c
mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM
2015-11-06 17:50:42 -08:00
percpu_test.c
percpu: add test module for various percpu operations
2013-11-13 12:09:11 +09:00
percpu-refcount.c
lib+mm: fix few spelling mistakes
2016-02-15 11:18:23 +01:00
plist.c
lib/plist.c: remove redundant include
2015-02-12 18:54:16 -08:00
pm-notifier-error-inject.c
…
radix-tree.c
radix-tree: add support for multi-order iterating
2016-05-20 17:58:30 -07:00
random32.c
netfilter: meta: add PRANDOM support
2016-02-29 13:55:59 +01:00
ratelimit.c
ratelimit: fix bug in time interval by resetting right begin time
2016-01-21 17:20:51 -08:00
rational.c
…
rbtree_test.c
rbtree/test: test rbtree_postorder_for_each_entry_safe()
2014-01-23 16:37:03 -08:00
rbtree.c
rbtree: Make lockless searches non-fatal
2015-05-28 11:32:04 +09:30
reciprocal_div.c
reciprocal_divide: update/correction of the algorithm
2014-01-21 23:17:20 -08:00
rhashtable.c
rhashtable: accept GFP flags in rhashtable_walk_init
2016-04-05 10:56:32 +02:00
scatterlist.c
scatterlist: fix a typo in comment block of sg_miter_stop()
2016-02-08 10:15:17 -08:00
seq_buf.c
tracing: Use seq_buf_used() in seq_buf_to_user() instead of len
2015-12-23 14:27:20 -05:00
sg_pool.c
lib: scatterlist: move SG pool code from SCSI driver to lib/sg_pool.c
2016-04-15 16:53:14 -04:00
sg_split.c
lib: scatterlist: add sg splitting function
2015-08-24 14:28:01 -06:00
sha1.c
lib: EXPORT_SYMBOL sha_init
2015-03-23 22:12:08 -04:00
show_mem.c
lib/show_mem.c: correct reserved memory calculation
2015-09-08 15:35:28 -07:00
smp_processor_id.c
percpu: add preemption checks to __this_cpu ops
2014-04-07 16:36:14 -07:00
sort.c
lib/sort: Add 64 bit swap function
2015-06-25 17:00:40 -07:00
stackdepot.c
lib/stackdepot: avoid to return 0 handle
2016-05-05 17:38:53 -07:00
stmp_device.c
lib/stmp_device.c: replace module.h include
2015-02-12 18:54:16 -08:00
string_helpers.c
string_helpers: add kstrdup_quotable_file
2016-04-21 10:47:26 +10:00
string.c
lib: move strtobool() to kstrtobool()
2016-03-17 15:09:34 -07:00
strncpy_from_user.c
x86/kasan: instrument user memory access API
2016-05-20 17:58:30 -07:00
strnlen_user.c
Use the new batched user accesses in generic user string handling
2015-12-17 10:05:19 -08:00
swiotlb.c
Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-block
2015-06-25 15:22:36 -07:00
syscall.c
lib/syscall.c: unexport task_current_syscall()
2014-04-03 16:21:06 -07:00
test_bitmap.c
test_bitmap: unit tests for lib/bitmap.c
2016-02-19 22:54:09 -05:00
test_bpf.c
bpf: prepare bpf_int_jit_compile/bpf_prog_select_runtime apis
2016-05-16 13:49:32 -04:00
test_firmware.c
test: firmware_class: add asynchronous request trigger
2016-01-07 13:44:22 -07:00
test_hexdump.c
test_hexdump: print statistics at the end
2016-01-20 17:09:18 -08:00
test_kasan.c
kasan/tests: add tests for user memory access functions
2016-05-20 17:58:30 -07:00
test_module.c
test: add minimal module for verification testing
2014-01-23 16:36:57 -08:00
test_printf.c
mm, printk: introduce new format string for flags
2016-03-15 16:55:16 -07:00
test_rhashtable.c
rhashtable: accept GFP flags in rhashtable_walk_init
2016-04-05 10:56:32 +02:00
test_static_key_base.c
locking/static_keys: Provide a selftest
2015-08-03 11:51:12 +02:00
test_static_keys.c
locking/static_keys: Avoid nested functions
2016-02-09 10:27:29 +01:00
test_user_copy.c
test: check copy_to/from_user boundary validation
2014-01-23 16:36:57 -08:00
test-kstrtox.c
kstrto*: accept "-0" for signed conversion
2015-09-10 13:29:01 -07:00
test-string_helpers.c
lib/test-string_helpers.c: fix and improve string_get_size() tests
2016-02-03 08:28:43 -08:00
textsearch.c
lib/textsearch.c: remove textsearch_put reference from comments
2014-10-14 02:18:14 +02:00
timerqueue.c
timerqueue: Let timerqueue_add/del return information
2015-04-22 17:06:49 +02:00
ts_bm.c
…
ts_fsm.c
…
ts_kmp.c
…
ubsan.c
UBSAN: run-time undefined behavior sanity checker
2016-01-20 17:09:18 -08:00
ubsan.h
UBSAN: run-time undefined behavior sanity checker
2016-01-20 17:09:18 -08:00
ucs2_string.c
lib/ucs2_string: Correct ucs2 -> utf8 conversion
2016-02-16 12:49:05 +00:00
usercopy.c
…
uuid.c
lib/uuid.c: remove FSF address
2016-05-20 17:58:30 -07:00
vsprintf.c
lib/uuid.c: introduce a few more generic helpers
2016-05-20 17:58:30 -07:00