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linux/mm
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Yu Zhao 9c3760eb80 zswap: only save zswap header when necessary 
We waste sizeof(swp_entry_t) for zswap header when using zsmalloc as
zpool driver because zsmalloc doesn't support eviction.

Add zpool_evictable() to detect if zpool is potentially evictable, and
use it in zswap to avoid waste memory for zswap header.

[yuzhao@google.com: The zpool->" prefix is a result of copy & paste]
  Link: http://lkml.kernel.org/r/20180110225626.110330-1-yuzhao@google.com
Link: http://lkml.kernel.org/r/20180110224741.83751-1-yuzhao@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Acked-by: Dan Streetman <ddstreet@ieee.org>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-01-31 17:18:39 -08:00
..
kasan
kasan: use %px to print addresses instead of %p
2017-11-29 12:13:16 +11:00
backing-dev.c
Revert "bdi: add error handle for bdi_debug_register"
2017-12-21 10:01:30 -07:00
balloon_compaction.c
virtio_balloon: fix deadlock on OOM
2017-11-14 23:57:38 +02:00
bootmem.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cleancache.c
fs: switch ->s_uuid to uuid_t
2017-06-05 16:59:12 +02:00
cma_debug.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cma.c
mm/cma.c: change pr_info to pr_err for cma_alloc fail log
2017-11-15 18:21:03 -08:00
cma.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compaction.c
mm, compaction: remove unneeded pageblock_skip_persistent() checks
2017-11-17 16:10:00 -08:00
debug_page_ref.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug.c
mm/debug.c: provide useful debugging information for VM_BUG
2018-01-04 16:45:09 -08:00
dmapool.c
lib/vsprintf.c: remove %Z support
2017-02-27 18:43:47 -08:00
early_ioremap.c
mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep
2017-12-11 14:54:44 +01:00
fadvise.c
mm/fadvise: discard partial page if endbyte is also EOF
2018-01-31 17:18:39 -08:00
failslab.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
filemap.c
mm/filemap.c: remove include of hardirq.h
2018-01-31 17:18:36 -08:00
frame_vector.c
mm/frame_vector.c: release a semaphore in 'get_vaddr_frames()'
2017-12-14 16:00:48 -08:00
frontswap.c
mm, frontswap: convert frontswap_enabled to static key
2016-07-26 16:19:19 -07:00
gup_benchmark.c
mm: add infrastructure for get_user_pages_fast() benchmarking
2017-11-17 16:10:04 -08:00
gup.c
Merge branch 'work.get_user_pages_fast' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-01-31 10:01:08 -08:00
highmem.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hmm.c
Revert "mm: replace p??_write with pte_access_permitted in fault + gup paths"
2017-12-15 18:53:22 -08:00
huge_memory.c
mm/thp: remove pmd_huge_split_prepare()
2018-01-31 17:18:38 -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, hugetlb: remove hugepages_treat_as_movable sysctl
2018-01-31 17:18:37 -08:00
hwpoison-inject.c
mm/memory_failure: Remove unused trapno from memory_failure
2018-01-23 12:17:42 -06:00
init-mm.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
internal.h
Revert "mm, thp: Do not make pmd/pud dirty without a reason"
2017-11-29 09:01:01 -08:00
interval_tree.c
mm/interval_tree.c: use vma_pages() helper
2018-01-31 17:18:37 -08:00
Kconfig
mm: relax deferred struct page requirements
2018-01-31 17:18:36 -08:00
Kconfig.debug
kmemcheck: rip it out
2017-11-15 18:21:05 -08:00
khugepaged.c
mm: thp: use down_read_trylock() in khugepaged to avoid long block
2018-01-31 17:18:38 -08:00
kmemleak-test.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak.c
mm: kmemleak: remove unused hardirq.h
2018-01-31 17:18:36 -08:00
ksm.c
mm/ksm: Remove now-redundant smp_read_barrier_depends()
2017-12-04 10:52:56 -08:00
list_lru.c
mm/list_lru.c: mark expected switch fall-through
2017-11-15 18:21:07 -08:00
maccess.c
x86: remove more uaccess_32.h complexity
2016-05-22 17:21:27 -07:00
madvise.c
mm/memory_failure: Remove unused trapno from memory_failure
2018-01-23 12:17:42 -06:00
Makefile
mm: add infrastructure for get_user_pages_fast() benchmarking
2017-11-17 16:10:04 -08:00
memblock.c
mm: define memblock_virt_alloc_try_nid_raw
2017-11-15 18:21:05 -08:00
memcontrol.c
mm: memcontrol: fix excessive complexity in memory.stat reporting
2018-01-31 17:18:36 -08:00
memory_hotplug.c
mm: memory_hotplug: remove second __nr_to_section in register_page_bootmem_info_section()
2018-01-31 17:18:37 -08:00
memory-failure.c
signal/memory-failure: Use force_sig_mceerr and send_sig_mceerr
2018-01-23 12:17:48 -06:00
memory.c
mm: add unmap_mapping_pages()
2018-01-31 17:18:37 -08:00
mempolicy.c
mm/mempolicy: add nodes_empty check in SYSC_migrate_pages
2018-01-31 17:18:36 -08:00
mempool.c
mm/mempool.c: use kmalloc_array_node()
2017-11-15 18:21:02 -08:00
memtest.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
migrate.c
Revert "mm, thp: Do not make pmd/pud dirty without a reason"
2017-11-29 09:01:01 -08:00
mincore.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mlock.c
mm: Eliminate cond_resched_rcu_qs() in favor of cond_resched()
2017-11-28 16:00:28 -08:00
mm_init.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
mmap.c
mm, oom_reaper: fix memory corruption
2017-12-14 16:00:49 -08:00
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: annotate mmu notifiers with blockable invalidate callbacks
2018-01-31 17:18:38 -08:00
mmzone.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mprotect.c
mm/mprotect: add a cond_resched() inside change_pmd_range()
2018-01-04 16:45:09 -08:00
mremap.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
msync.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nobootmem.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nommu.c
mm: add unmap_mapping_pages()
2018-01-31 17:18:37 -08:00
oom_kill.c
mm, oom: avoid reaping only for mm's with blockable invalidate callbacks
2018-01-31 17:18:38 -08:00
page_alloc.c
mm/page_alloc.c: fix comment in __get_free_pages()
2018-01-31 17:18:36 -08:00
page_counter.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
page_ext.c
mm/page_ext.c: check if page_ext is not prepared
2017-11-15 18:21:07 -08:00
page_idle.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
page_io.c
block: convert to bio_first_bvec_all & bio_first_page_all
2018-01-06 09:18:00 -07:00
page_isolation.c
mm: distinguish CMA and MOVABLE isolation in has_unmovable_pages()
2017-11-15 18:21:02 -08:00
page_owner.c
mm/page_owner.c: use PTR_ERR_OR_ZERO()
2018-01-31 17:18:36 -08:00
page_poison.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
page_vma_mapped.c
mm, page_vma_mapped: Introduce pfn_in_hpage()
2018-01-22 12:15:57 -08:00
page-writeback.c
Revert "mm/page-writeback.c: print a warning if the vm dirtiness settings are illogical"
2017-11-29 18:40:43 -08:00
pagewalk.c
mm/pagewalk.c: report holes in hugetlb ranges
2017-11-15 13:12:08 -08:00
percpu-internal.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
percpu-km.c
percpu: replace area map allocator with bitmap
2017-07-26 17:41:05 -04:00
percpu-stats.c
percpu: fix starting offset for chunk statistics traversal
2017-09-27 14:45:57 -07:00
percpu-vm.c
mm: remove __GFP_COLD
2017-11-15 18:21:06 -08:00
percpu.c
percpu: hack to let the CRIS architecture to boot until they clean up
2017-11-27 12:53:12 -08:00
pgtable-generic.c
mm: do not lose dirty and accessed bits in pmdp_invalidate()
2018-01-31 17:18:38 -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
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
readahead.c
mm: don't cap request size based on read-ahead setting
2016-12-12 18:55:08 -08:00
rmap.c
mm: remove cold parameter from free_hot_cold_page*
2017-11-15 18:21:06 -08:00
rodata_test.c
mm: fix RODATA_TEST failure "rodata_test: test data was not read only"
2017-10-03 17:54:24 -07:00
shmem.c
shmem: add sealing support to hugetlb-backed memfd
2018-01-31 17:18:39 -08:00
slab_common.c
mm/slab_common.c: make calculate_alignment() static
2018-01-31 17:18:35 -08:00
slab.c
mm/slab.c: remove redundant assignments for slab_state
2018-01-31 17:18:35 -08:00
slab.h
mm/slab_common.c: make calculate_alignment() static
2018-01-31 17:18:35 -08:00
slob.c
slab, slub, slob: add slab_flags_t
2017-11-15 18:21:01 -08:00
slub.c
slub: remove obsolete comments of put_cpu_partial()
2018-01-31 17:18:36 -08:00
sparse-vmemmap.c
mm, sparse: do not swamp log with huge vmemmap allocation failures
2017-11-15 18:21:07 -08:00
sparse.c
mm/sparse.c: wrong allocation for mem_section
2018-01-04 16:45:09 -08:00
swap_cgroup.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
swap_slots.c
mm/swap_slots.c: fix race conditions in swap_slots cache init
2017-11-15 18:21:03 -08:00
swap_state.c
mm: remove cold parameter for release_pages
2017-11-15 18:21:06 -08:00
swap.c
mm: drop hotplug lock from lru_add_drain_all()
2018-01-31 17:18:36 -08:00
swapfile.c
ipc, kernel, mm: annotate ->poll() instances
2017-11-27 16:20:05 -05:00
truncate.c
mm: add unmap_mapping_pages()
2018-01-31 17:18:37 -08:00
usercopy.c
mm/usercopy: Drop extra is_vmalloc_or_module() check
2017-04-05 12:30:18 -07:00
userfaultfd.c
userfaultfd: shmem: wire up shmem_mfill_zeropage_pte
2017-09-06 17:27:28 -07:00
util.c
new primitive: vmemdup_user()
2018-01-07 13:06:15 -05:00
vmacache.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
vmalloc.c
Revert "vmalloc: back off when the current task is killed"
2017-10-13 16:18:32 -07:00
vmpressure.c
mm, vmpressure: pass-through notification support
2017-07-10 16:32:31 -07:00
vmscan.c
mm: pin address_space before dereferencing it while isolating an LRU page
2018-01-31 17:18:39 -08:00
vmstat.c
mm, sysctl: make NUMA stats configurable
2017-11-15 18:21:07 -08:00
workingset.c
mm, truncate: do not check mapping for every page being truncated
2017-11-15 18:21:06 -08:00
z3fold.c
mm/z3fold.c: use kref to prevent page free/compact race
2017-11-17 16:10:00 -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
zswap: only save zswap header when necessary
2018-01-31 17:18:39 -08:00
zsmalloc.c
zswap: only save zswap header when necessary
2018-01-31 17:18:39 -08:00
zswap.c
zswap: only save zswap header when necessary
2018-01-31 17:18:39 -08:00