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Vitaly Wool 1b096e5ae9 z3fold: extend compaction function 
z3fold_compact_page() currently only handles the situation when there's
a single middle chunk within the z3fold page.  However it may be worth
it to move middle chunk closer to either first or last chunk, whichever
is there, if the gap between them is big enough.

This patch adds the relevant code, using BIG_CHUNK_GAP define as a
threshold for middle chunk to be worth moving.

Link: http://lkml.kernel.org/r/20170131214334.c4f3eac9a477af0fa9a22c46@gmail.com
Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Reviewed-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24 17:46:54 -08:00
..
kasan
arm64 updates for 4.11:
2017-02-22 10:46:44 -08:00
backing-dev.c
mm/backing-dev.c: use rb_entry()
2017-02-22 16:41:30 -08:00
balloon_compaction.c
mm: balloon: use general non-lru movable page feature
2016-07-26 16:19:19 -07:00
bootmem.c
mm/bootmem.c: cosmetic improvement of code readability
2017-02-22 16:41:29 -08:00
cleancache.c
cleancache: constify cleancache_ops structure
2016-01-27 09:09:57 -05:00
cma_debug.c
mm/cma_debug: correct size input to bitmap function
2015-07-17 16:39:54 -07:00
cma.c
mm/cma: Cleanup highmem check
2017-01-11 13:56:49 +00:00
cma.h
mm: cma: mark cma_bitmap_maxno() inline in header
2015-08-14 15:56:32 -07:00
compaction.c
mm,compaction: serialize waitqueue_active() checks
2017-02-22 16:41:29 -08:00
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, debug: print raw struct page data in __dump_page()
2016-12-12 18:55:08 -08:00
dmapool.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
early_ioremap.c
mm/early_ioremap: use offset_in_page macro
2015-11-05 19:34:48 -08:00
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, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf
2017-02-24 17:46:54 -08:00
frame_vector.c
mm: replace get_vaddr_frames() write/force parameters with gup_flags
2016-10-19 08:11:24 -07:00
frontswap.c
mm, frontswap: convert frontswap_enabled to static key
2016-07-26 16:19:19 -07:00
gup.c
mm, x86: add support for PUD-sized transparent hugepages
2017-02-24 17:46:54 -08:00
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
mm, x86: add support for PUD-sized transparent hugepages
2017-02-24 17:46:54 -08:00
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, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf
2017-02-24 17:46:54 -08:00
hwpoison-inject.c
hwpoison: use page_cgroup_ino for filtering by memcg
2015-09-10 13:29:01 -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
oom-reaper: use madvise_dontneed() logic to decide if unmap the VMA
2017-02-22 16:41:30 -08:00
interval_tree.c
mm: replace vma->sharead.linear with vma->shared
2015-02-10 14:30:31 -08:00
Kconfig
mm: THP page cache support for ppc64
2016-12-12 18:55:08 -08:00
Kconfig.debug
PM / Hibernate: allow hibernation with PAGE_POISONING_ZERO
2016-09-13 02:35:27 +02:00
khugepaged.c
mm: get rid of __GFP_OTHER_NODE
2017-01-10 18:31:55 -08:00
kmemcheck.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak-test.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak.c
kmemleak: fix reference to Documentation
2016-12-12 18:55:07 -08:00
ksm.c
mm/ksm: improve deduplication of zero pages with colouring
2017-02-24 17:46:53 -08:00
list_lru.c
mm/list_lru.c: avoid error-path NULL pointer deref
2016-10-27 18:43:42 -07:00
maccess.c
x86: remove more uaccess_32.h complexity
2016-05-22 17:21:27 -07:00
madvise.c
userfaultfd: non-cooperative: add madvise() event for MADV_REMOVE request
2017-02-24 17:46:54 -08:00
Makefile
mm/swap: add cache for swap slots allocation
2017-02-22 16:41:30 -08:00
memblock.c
memblock: embed memblock type name within struct memblock_type
2017-02-24 17:46:54 -08:00
memcontrol.c
slab: use memcg_kmem_cache_wq for slab destruction operations
2017-02-22 16:41:27 -08:00
memory_hotplug.c
mm/memory_hotplug.c: unexport __remove_pages()
2017-02-24 17:46:53 -08:00
memory-failure.c
mm: Use owner_priv bit for PageSwapCache, valid when PageSwapBacked
2016-12-25 11:54:48 -08:00
memory.c
mm: replace FAULT_FLAG_SIZE with parameter to huge_fault
2017-02-24 17:46:54 -08:00
mempolicy.c
mm/mempolicy.c: do not put mempolicy before using its nodemask
2017-01-24 16:26:14 -08:00
mempool.c
Revert "mm, mempool: only set __GFP_NOMEMALLOC if there are free elements"
2016-07-28 16:07:41 -07:00
memtest.c
memtest: remove unused header files
2015-09-08 15:35:28 -07:00
migrate.c
mm: Use owner_priv bit for PageSwapCache, valid when PageSwapBacked
2016-12-25 11:54:48 -08:00
mincore.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
mlock.c
thp: fix corner case of munlock() of PTE-mapped THPs
2016-11-30 16:32:52 -08:00
mm_init.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
mmap.c
mm: fix comments for mmap_init()
2017-02-24 17:46:54 -08:00
mmu_context.c
mm/mmu_context, sched/core: Fix mmu_context.h assumption
2016-04-28 11:44:19 +02:00
mmu_notifier.c
fix Christoph's email addresses
2016-03-17 15:09:34 -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: mprotect: use pmd_trans_unstable instead of taking the pmd_lock
2017-02-22 16:41:29 -08:00
mremap.c
userfaultfd: non-cooperative: optimize mremap_userfaultfd_complete()
2017-02-22 16:41:28 -08:00
msync.c
mm/msync: use offset_in_page macro
2015-11-05 19:34:48 -08:00
nobootmem.c
mm: kmemleak: avoid using __va() on addresses that don't have a lowmem mapping
2016-10-11 15:06:33 -07:00
nommu.c
mm: fix comments for mmap_init()
2017-02-24 17:46:54 -08:00
oom_kill.c
mm, oom: header nodemask is NULL when cpusets are disabled
2017-02-24 17:46:53 -08:00
page_alloc.c
mm, page_alloc: use static global work_struct for draining per-cpu pages
2017-02-24 17:46:54 -08:00
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: support extra space allocation by page_ext user
2016-10-07 18:46:27 -07:00
page_idle.c
mm, vmscan: move lru_lock to the node
2016-07-28 16:07:41 -07:00
page_io.c
writeback: add wbc_to_write_flags()
2016-11-02 10:24:03 -06:00
page_isolation.c
mm, page_alloc: avoid page_to_pfn() when merging buddies
2017-02-22 16:41:27 -08:00
page_owner.c
mm/page_owner: don't define fields on struct page_ext by hard-coding
2016-10-07 18:46:27 -07:00
page_poison.c
mm: check the return value of lookup_page_ext for all call sites
2016-06-03 15:06:22 -07:00
page-writeback.c
block: Use pointer to backing_dev_info from request_queue
2017-02-02 08:20:48 -07:00
pagewalk.c
mm, x86: add support for PUD-sized transparent hugepages
2017-02-24 17:46:54 -08:00
percpu-km.c
mm: percpu: use pr_fmt to prefix output
2016-03-17 15:09:34 -07:00
percpu-vm.c
…
percpu.c
Merge branch 'for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
2016-12-13 12:34:47 -08:00
pgtable-generic.c
mm, x86: add support for PUD-sized transparent hugepages
2017-02-24 17:46:54 -08:00
process_vm_access.c
mm: unexport __get_user_pages_unlocked()
2016-12-14 16:04:09 -08:00
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: handle anon_vma_prepare() common case inline
2016-12-12 18:55:08 -08:00
shmem.c
mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf
2017-02-24 17:46:54 -08:00
slab_common.c
slab: use memcg_kmem_cache_wq for slab destruction operations
2017-02-22 16:41:27 -08:00
slab.c
slab: introduce __kmemcg_cache_deactivate()
2017-02-22 16:41:27 -08:00
slab.h
slab: remove synchronous synchronize_sched() from memcg cache deactivation path
2017-02-22 16:41:27 -08:00
slob.c
slab: introduce __kmemcg_cache_deactivate()
2017-02-22 16:41:27 -08:00
slub.c
slub: make sysfs directories for memcg sub-caches optional
2017-02-22 16:41:27 -08:00
sparse-vmemmap.c
treewide: replace obsolete _refok by __ref
2016-08-02 17:31:41 -04:00
sparse.c
mm/memory_hotplug: set magic number to page->freelist instead of page->lru.next
2017-02-22 16:41:29 -08:00
swap_cgroup.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
swap_slots.c
mm/swap: skip readahead only when swap slot cache is enabled
2017-02-22 16:41:30 -08:00
swap_state.c
mm/swap: skip readahead only when swap slot cache is enabled
2017-02-22 16:41:30 -08:00
swap.c
mm: vmscan: move dirty pages out of the way until they're flushed
2017-02-24 17:46:54 -08:00
swapfile.c
mm/swap: enable swap slots cache usage
2017-02-22 16:41:30 -08:00
truncate.c
mm: Invalidate DAX radix tree entries only if appropriate
2016-12-26 20:29:24 -08:00
usercopy.c
mm/usercopy: Switch to using lm_alias
2017-01-11 13:56:50 +00:00
userfaultfd.c
userfaultfd: hugetlbfs: add UFFDIO_COPY support for shared mappings
2017-02-22 16:41:28 -08:00
util.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
vmacache.c
mm: unrig VMA cache hit ratio
2016-10-07 18:46:27 -07:00
vmalloc.c
mm, page_alloc: warn_alloc print nodemask
2017-02-22 16:41:30 -08:00
vmpressure.c
mm/vmpressure.c: fix subtree pressure detection
2016-02-03 08:28:43 -08:00
vmscan.c
mm: vmscan: move dirty pages out of the way until they're flushed
2017-02-24 17:46:54 -08:00
vmstat.c
mm, compaction: add vmstats for kcompactd work
2017-02-22 16:41:29 -08:00
workingset.c
mm, vmscan: cleanup lru size claculations
2017-02-22 16:41:30 -08:00
z3fold.c
z3fold: extend compaction function
2017-02-24 17:46:54 -08:00
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
mm: fix some typos in mm/zsmalloc.c
2017-02-22 16:41:29 -08:00
zswap.c
zswap: disable changing params if init fails
2017-02-03 14:13:19 -08:00