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Rik van Riel 86a80ec9b8 mm: remove swap token code 
The swap token code no longer fits in with the current VM model.  It
does not play well with cgroups or the better NUMA placement code in
development, since we have only one swap token globally.

It also has the potential to mess with scalability of the system, by
increasing the number of non-reclaimable pages on the active and
inactive anon LRU lists.

Last but not least, the swap token code has been broken for a year
without complaints, as reported by Konstantin Khlebnikov.  This suggests
we no longer have much use for it.

The days of sub-1G memory systems with heavy use of swap are over.  If
we ever need thrashing reducing code in the future, we will have to
implement something that does scale.

Change-Id: I6d287cfc3c3206ca24da2de0c1392e5fdfcfabe8
Signed-off-by: Rik van Riel <riel@redhat.com>
Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Hugh Dickins <hughd@google.com>
Acked-by: Bob Picco <bpicco@meloft.net>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: e709ffd616
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
Signed-off-by: flar2 <asegaert@gmail.com>
 		2021-12-01 15:26:49 +01:00
..
Kconfig BACKPORT: mm/zsmalloc: add statistics support 2018-01-01 21:27:09 +03:00
Kconfig.debug mm: more intensive memory corruption debugging 2012-01-10 16:30:42 -08:00
Makefile mm: remove swap token code 2021-12-01 15:26:49 +01:00
backing-dev.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
bootmem.c mm: sparse: fix usemap allocation above node descriptor section 2016-10-29 23:12:12 +08:00
bounce.c mm: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:27 +08:00
cleancache.c mm: cleancache: Use __read_mostly as appropiate. 2012-01-23 16:08:09 -05:00
compaction.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
debug-pagealloc.c mm, x86: Remove debug_pagealloc_enabled 2011-12-06 09:24:07 +01:00
dmapool.c mm: dmapool: use provided gfp flags for all dma_alloc_coherent() calls 2012-12-17 10:37:44 -08:00
fadvise.c mm/fadvise.c: drain all pagevecs if POSIX_FADV_DONTNEED fails to discard all pages 2013-02-28 06:59:01 -08:00
failslab.c switch debugfs to umode_t 2012-01-03 22:54:56 -05:00
filemap.c lib/radix-tree.c: make radix_tree_node_alloc() work correctly within interrupt 2020-12-07 21:02:05 +03:00
filemap_xip.c mm: kill vma flag VM_CAN_NONLINEAR 2020-11-29 16:11:40 +03:00
fremap.c mm: kill vma flag VM_CAN_NONLINEAR 2020-11-29 16:11:40 +03:00
highmem.c mm: highmem: don't treat PKMAP_ADDR(LAST_PKMAP) as a highmem address 2014-06-11 12:04:22 -07:00
huge_memory.c mm, thp: fix collapsing of hugepages on madvise 2015-02-02 17:05:07 +08:00
hugetlb.c Fix incomplete backport of commit 0f792cf949a0 2016-10-26 23:15:44 +08:00
hwpoison-inject.c HWPOISON: Clean up memory_failure() vs. __memory_failure() 2012-01-03 12:06:32 -08:00
init-mm.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
internal.h Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
kmemcheck.c
…
kmemleak-test.c
…
kmemleak.c mm: kmemleak: allow safe memory scanning during kmemleak disabling 2015-10-22 09:20:06 +08:00
ksm.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
list_lru.c mm: list_lru: fix almost infinite loop causing effective livelock 2021-11-26 22:02:17 +01:00
maccess.c mm: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
madvise.c mm/fs: route MADV_REMOVE to FALLOC_FL_PUNCH_HOLE 2020-12-07 21:00:58 +03:00
memblock.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
memcontrol.c mm: remove swap token code 2021-12-01 15:26:49 +01:00
memory-failure.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
memory.c mm: remove swap token code 2021-12-01 15:26:49 +01:00
memory_hotplug.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
mempolicy.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
mempool.c mempool: fix first round failure behavior 2012-01-10 16:30:45 -08:00
migrate.c BACKPORT: Sanitize 'move_pages()' permission checks 2018-01-13 17:13:40 +03:00
mincore.c swap: make each swap partition have one address_space 2018-01-01 22:02:05 +03:00
mlock.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
mm_init.c mm: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
mmap.c mm: allow drivers to prevent new writable mappings 2020-12-07 21:08:09 +03:00
mmu_context.c mm, counters: remove task argument to sync_mm_rss() and __sync_task_rss_stat() 2012-03-21 17:54:59 -07:00
mmu_notifier.c mm: mmu_notifier: re-fix freed page still mapped in secondary MMU 2013-06-07 12:49:25 -07:00
mmzone.c mm: delete various needless include <linux/module.h> 2011-10-31 09:20:11 -04:00
mprotect.c mm: add a field to store names for private anonymous memory 2013-10-11 10:02:06 -07:00
mremap.c mm: collapse security_vm_enough_memory() variants into a single function 2012-02-14 10:45:39 +11:00
msync.c
…
nobootmem.c memblock: free allocated memblock_reserved_regions later 2012-07-16 09:04:45 -07:00
nommu.c mm: kill vma flag VM_CAN_NONLINEAR 2020-11-29 16:11:40 +03:00
oom_kill.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
page-writeback.c mm: fix calculation of dirtyable memory 2016-10-29 23:12:16 +08:00
page_alloc.c mm: export NR_SHMEM via sysinfo(2) / si_meminfo() interfaces 2020-12-01 19:08:36 +01:00
page_cgroup.c cgroup/kmemleak: add kmemleak_free() for cgroup deallocations. 2015-02-02 17:05:07 +08:00
page_io.c
…
page_isolation.c mm: page_isolation: MIGRATE_CMA isolation functions added 2013-02-27 18:14:02 -08:00
pagewalk.c mm/pagewalk.c: walk_page_range should avoid VM_PFNMAP areas 2013-06-07 12:49:28 -07:00
percpu-km.c
…
percpu-vm.c percpu: perform tlb flush after pcpu_map_pages() failure 2014-12-01 18:02:23 +08:00
percpu.c Revert "percpu: free percpu allocation info for uniprocessor system" 2015-02-02 17:04:38 +08:00
pgtable-generic.c thp: add HPAGE_PMD_* definitions for !CONFIG_TRANSPARENT_HUGEPAGE 2012-03-21 17:55:02 -07:00
prio_tree.c
…
process_vm_access.c Fix: compat_rw_copy_check_uvector() misuse in aio, readv, writev, and security keys 2013-03-14 11:29:51 -07:00
quicklist.c mm: delete various needless include <linux/module.h> 2011-10-31 09:20:11 -04:00
readahead.c mm: change initial readahead window size calculation 2016-10-29 23:12:18 +08:00
rmap.c mm: remove swap token code 2021-12-01 15:26:49 +01:00
shmem.c shmem: update memory reservation on truncate 2020-12-23 16:15:47 +03:00
slab.c cpuset: PF_SPREAD_PAGE and PF_SPREAD_SLAB should be atomic flags 2014-12-01 18:02:38 +08:00
slob.c mm: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
slub.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
sparse-vmemmap.c mm: delete various needless include <linux/module.h> 2011-10-31 09:20:11 -04:00
sparse.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
swap.c swap: make each swap partition have one address_space 2018-01-01 22:02:05 +03:00
swap_state.c mm: allow drivers to prevent new writable mappings 2020-12-07 21:08:09 +03:00
swapfile.c vfs: make path_openat take a struct filename pointer 2018-12-07 22:28:48 +04:00
truncate.c mm/fs: remove truncate_range 2020-12-07 20:57:30 +03:00
util.c swap: make each swap partition have one address_space 2018-01-01 22:02:05 +03:00
vmalloc.c mm/vmalloc.c: fix kernel BUG at mm/vmalloc.c:512! 2020-12-01 19:08:45 +01:00
vmscan.c mm: remove swap token code 2021-12-01 15:26:49 +01:00
vmstat.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
zpool.c BACKPORT: mm/zpool: add name argument to create zpool 2018-01-01 21:27:09 +03:00
zsmalloc.c UPSTREAM: zsmalloc: fix a null pointer dereference in destroy_handle_cache() 2018-01-01 21:27:14 +03:00