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Jan Kara b947cee4b9 mm: implement find_get_pages_range() 
Implement a variant of find_get_pages() that stops iterating at given
index.  This may be substantial performance gain if the mapping is
sparse.  See following commit for details.  Furthermore lots of users of
this function (through pagevec_lookup()) actually want a range lookup
and all of them are currently open-coding this.

Also create corresponding pagevec_lookup_range() function.

Link: http://lkml.kernel.org/r/20170726114704.7626-4-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-09-06 17:27:26 -07:00
..
kasan
Merge branch 'linus' into locking/core, to pick up fixes
2017-08-10 12:20:53 +02:00
backing-dev.c
bdi: Drop 'parent' argument from bdi_register[_va]()
2017-04-20 12:09:55 -06:00
balloon_compaction.c
mm/balloon_compaction.c: don't zero ballooned pages
2017-08-10 15:54:07 -07:00
bootmem.c
mm/bootmem.c: cosmetic improvement of code readability
2017-02-22 16:41:29 -08:00
cleancache.c
fs: switch ->s_uuid to uuid_t
2017-06-05 16:59:12 +02:00
cma_debug.c
mm/cma_debug.c: fix stack corruption due to sprintf usage
2017-08-18 15:32:02 -07:00
cma.c
cma: fix calculation of aligned offset
2017-07-10 16:32:32 -07:00
cma.h
cma: Store a name in the cma structure
2017-04-18 20:41:12 +02:00
compaction.c
mm, compaction: skip over holes in __reset_isolation_suitable
2017-07-06 16:24:32 -07:00
debug_page_ref.c
mm/page_ref: add tracepoint to track down page reference manipulation
2016-03-17 15:09:34 -07:00
debug.c
mm: make tlb_flush_pending global
2017-08-10 15:54:07 -07:00
dmapool.c
lib/vsprintf.c: remove %Z support
2017-02-27 18:43:47 -08:00
early_ioremap.c
x86/mm: Add support to access boot related data in the clear
2017-07-18 11:38:02 +02:00
fadvise.c
mm: fadvise: avoid expensive remote LRU cache draining after FADV_DONTNEED
2016-12-20 09:48:46 -08:00
failslab.c
mm: fault-inject take over bootstrap kmem_cache check
2016-03-15 16:55:16 -07:00
filemap.c
mm: implement find_get_pages_range()
2017-09-06 17:27:26 -07:00
frame_vector.c
treewide: use kv[mz]alloc* rather than opencoded variants
2017-05-08 17:15:13 -07:00
frontswap.c
mm, frontswap: convert frontswap_enabled to static key
2016-07-26 16:19:19 -07:00
gup.c
mm/gup: make __gup_device_* require THP
2017-09-06 17:27:26 -07:00
highmem.c
mm/highmem: make nr_free_highpages() handles all highmem zones by itself
2016-05-19 19:12:14 -07:00
huge_memory.c
Merge branch 'linus' into locking/core, to pick up fixes
2017-08-25 11:04:51 +02:00
hugetlb_cgroup.c
mm, hugetlb_cgroup: round limit_in_bytes down to hugepage size
2016-05-20 17:58:30 -07:00
hugetlb.c
mm/hugetlb.c: make huge_pte_offset() consistent and document behaviour
2017-09-06 17:27:26 -07:00
hwpoison-inject.c
mm: hwpoison: call shake_page() unconditionally
2017-05-03 15:52:12 -07:00
init-mm.c
mm: Add a user_ns owner to mm_struct and fix ptrace permission checks
2016-11-22 11:49:48 -06:00
internal.h
mm, memory_hotplug: drop zone from build_all_zonelists
2017-09-06 17:27:25 -07:00
interval_tree.c
mm: replace vma->sharead.linear with vma->shared
2015-02-10 14:30:31 -08:00
Kconfig
mm/kasan: add support for memory hotplug
2017-07-10 16:32:33 -07:00
Kconfig.debug
mm: enable page poisoning early at boot
2017-05-03 15:52:10 -07:00
khugepaged.c
mm: make PR_SET_THP_DISABLE immediately active
2017-07-10 16:32:31 -07:00
kmemcheck.c
mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU
2017-04-18 11:42:36 -07:00
kmemleak-test.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak.c
mm: kmemleak: treat vm_struct as alternative reference to vmalloc'ed objects
2017-07-06 16:24:34 -07:00
ksm.c
mm: fix KSM data corruption
2017-08-10 15:54:07 -07:00
list_lru.c
mm/list_lru.c: fix list_lru_count_node() to be race free
2017-07-10 16:32:33 -07:00
maccess.c
x86: remove more uaccess_32.h complexity
2016-05-22 17:21:27 -07:00
madvise.c
mm, madvise: ensure poisoned pages are removed from per-cpu lists
2017-08-31 16:33:15 -07:00
Makefile
percpu: expose statistics about percpu memory via debugfs
2017-06-20 15:31:38 -04:00
memblock.c
mm/memblock.c: reversed logic in memblock_discard()
2017-08-25 16:12:46 -07:00
memcontrol.c
mm: memcontrol: fix NULL pointer crash in test_clear_page_writeback()
2017-08-18 15:32:01 -07:00
memory_hotplug.c
mm, memory_hotplug: get rid of zonelists_mutex
2017-09-06 17:27:26 -07:00
memory-failure.c
x86/mm, mm/hwpoison: Clear PRESENT bit for kernel 1:1 mappings of poison pages
2017-08-17 10:30:49 +02:00
memory.c
mm: always flush VMA ranges affected by zap_page_range
2017-09-06 17:27:26 -07:00
mempolicy.c
mm/mempolicy: fix use after free when calling get_mempolicy
2017-08-18 15:32:02 -07:00
mempool.c
sched/wait: Rename wait_queue_t => wait_queue_entry_t
2017-06-20 12:18:27 +02:00
memtest.c
memtest: remove unused header files
2015-09-08 15:35:28 -07:00
migrate.c
Sanitize 'move_pages()' permission checks
2017-08-20 13:26:27 -07:00
mincore.c
mm: remove shmem_mapping() shmem_zero_setup() duplicates
2017-02-24 17:46:56 -08:00
mlock.c
mlock: fix mlock count can not decrease in race condition
2017-06-02 15:07:38 -07:00
mm_init.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
mmap.c
mm: fix overflow check in expand_upwards()
2017-07-14 15:05:12 -07:00
mmu_context.c
sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
mmu_notifier.c
mm/mmu_notifier: kill invalidate_page
2017-08-31 16:13:00 -07:00
mmzone.c
mm/mmzone.c: swap likely to unlikely as code logic is different for next_zones_zonelist()
2017-02-22 16:41:29 -08:00
mprotect.c
mm: migrate: prevent racy access to tlb_flush_pending
2017-08-10 15:54:07 -07:00
mremap.c
mm/mremap: fail map duplication attempts for private mappings
2017-09-06 17:27:26 -07:00
msync.c
mm/msync: use offset_in_page macro
2015-11-05 19:34:48 -08:00
nobootmem.c
mm: discard memblock data later
2017-08-18 15:32:01 -07:00
nommu.c
mm, vmalloc: use __GFP_HIGHMEM implicitly
2017-05-08 17:15:13 -07:00
oom_kill.c
mm/oom_kill.c: add tracepoints for oom reaper-related events
2017-07-10 16:32:32 -07:00
page_alloc.c
mm, memory_hotplug: get rid of zonelists_mutex
2017-09-06 17:27:26 -07:00
page_counter.c
mm: page_counter: let page_counter_try_charge() return bool
2015-11-05 19:34:48 -08:00
page_ext.c
mm, page_ext: periodically reschedule during page_ext_init()
2017-09-06 17:27:26 -07:00
page_idle.c
mm: make rmap_one boolean function
2017-05-03 15:52:10 -07:00
page_io.c
mm/page_io.c: fix oops during block io poll in swapin path
2017-08-02 17:16:11 -07:00
page_isolation.c
mm: unify new_node_page and alloc_migrate_target
2017-07-10 16:32:31 -07:00
page_owner.c
mm, page_owner: don't grab zone->lock for init_pages_in_zone()
2017-09-06 17:27:26 -07:00
page_poison.c
mm: enable page poisoning early at boot
2017-05-03 15:52:10 -07:00
page_vma_mapped.c
mm/hugetlb: add size parameter to huge_pte_offset()
2017-07-06 16:24:34 -07:00
page-writeback.c
mm: memcontrol: fix NULL pointer crash in test_clear_page_writeback()
2017-08-18 15:32:01 -07:00
pagewalk.c
mm/hugetlb: add size parameter to huge_pte_offset()
2017-07-06 16:24:34 -07:00
percpu-internal.h
percpu: fix early calls for spinlock in pcpu_stats
2017-06-21 13:53:52 -04:00
percpu-km.c
percpu: fix static checker warnings in pcpu_destroy_chunk
2017-06-29 11:23:38 -04:00
percpu-stats.c
percpu: expose statistics about percpu memory via debugfs
2017-06-20 15:31:38 -04:00
percpu-vm.c
percpu: fix static checker warnings in pcpu_destroy_chunk
2017-06-29 11:23:38 -04:00
percpu.c
percpu: resolve err may not be initialized in pcpu_alloc
2017-06-21 12:00:45 -04:00
pgtable-generic.c
mm: convert generic code to 5-level paging
2017-03-09 11:48:47 -08:00
process_vm_access.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/mm.h>
2017-03-02 08:42:28 +01:00
quicklist.c
fix Christoph's email addresses
2016-03-17 15:09:34 -07:00
readahead.c
mm: don't cap request size based on read-ahead setting
2016-12-12 18:55:08 -08:00
rmap.c
mm/rmap: update to new mmu_notifier semantic v2
2017-08-31 16:12:59 -07:00
rodata_test.c
mm: remove rodata_test_data export, add pr_fmt
2017-05-03 15:52:09 -07:00
shmem.c
mm, shmem: fix handling /sys/kernel/mm/transparent_hugepage/shmem_enabled
2017-08-25 16:12:46 -07:00
slab_common.c
mm: allow slab_nomerge to be set at build time
2017-07-06 16:24:31 -07:00
slab.c
mm: memcontrol: account slab stats per lruvec
2017-07-06 16:24:35 -07:00
slab.h
locking/lockdep: Rework FS_RECLAIM annotation
2017-08-10 12:29:03 +02:00
slob.c
locking/lockdep: Rework FS_RECLAIM annotation
2017-08-10 12:29:03 +02:00
slub.c
mm/slub.c: add a naive detection of double free or corruption
2017-09-06 17:27:24 -07:00
sparse-vmemmap.c
mm, sparse, page_ext: drop ugly N_HIGH_MEMORY branches for allocations
2017-09-06 17:27:26 -07:00
sparse.c
mm, sparse, page_ext: drop ugly N_HIGH_MEMORY branches for allocations
2017-09-06 17:27:26 -07:00
swap_cgroup.c
mm, THP, swap: delay splitting THP during swap out
2017-07-06 16:24:31 -07:00
swap_slots.c
mm/swap_slots.c: don't disable preemption while taking the per-CPU cache
2017-07-10 16:32:32 -07:00
swap_state.c
swap: add block io poll in swapin path
2017-07-10 16:32:30 -07:00
swap.c
mm: implement find_get_pages_range()
2017-09-06 17:27:26 -07:00
swapfile.c
swap: add block io poll in swapin path
2017-07-10 16:32:30 -07:00
truncate.c
mm/truncate.c: fix THP handling in invalidate_mapping_pages()
2017-07-10 16:32:32 -07:00
usercopy.c
mm/usercopy: Drop extra is_vmalloc_or_module() check
2017-04-05 12:30:18 -07:00
userfaultfd.c
mm: convert generic code to 5-level paging
2017-03-09 11:48:47 -08:00
util.c
mm: fix global NR_SLAB_.*CLAIMABLE counter reads
2017-08-10 15:54:06 -07:00
vmacache.c
sched/headers: Prepare to move 'init_task' and 'init_thread_union' from <linux/sched.h> to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
vmalloc.c
mm/vmalloc.c: don't unconditonally use __GFP_HIGHMEM
2017-08-18 15:32:02 -07:00
vmpressure.c
mm, vmpressure: pass-through notification support
2017-07-10 16:32:31 -07:00
vmscan.c
mm, vmscan: do not loop on too_many_isolated for ever
2017-09-06 17:27:26 -07:00
vmstat.c
mm: avoid taking zone lock in pagetypeinfo_showmixed()
2017-07-10 16:32:32 -07:00
workingset.c
mm: memcontrol: per-lruvec stats infrastructure
2017-07-06 16:24:35 -07:00
z3fold.c
z3fold: fix page locking in z3fold_alloc()
2017-04-13 18:24:20 -07:00
zbud.c
mm/zbud.c: use list_last_entry() instead of list_tail_entry()
2016-01-15 11:40:52 -08:00
zpool.c
mm: zsmalloc: constify struct zs_pool name
2015-11-06 17:50:42 -08:00
zsmalloc.c
zsmalloc: zs_page_migrate: skip unnecessary loops but not return -EBUSY if zspage is not inuse
2017-09-06 17:27:26 -07:00
zswap.c
mm/zswap.c: delete an error message for a failed memory allocation in zswap_dstmem_prepare()
2017-07-06 16:24:35 -07:00