otp.git, branch OTP-20.2.3

Updated OTP version

2018-02-12T12:38:46+00:00

Update release notes

2018-02-12T12:38:43+00:00

Update version numbers

2018-02-12T12:38:24+00:00

Merge branch 'sverker/maint-20/alloc-n-migration/ERIERL-88' into maint-20

2018-02-12T12:38:23+00:00

* sverker/maint-20/alloc-n-migration/ERIERL-88:
  erts: Add system_flags(erts_alloc,"+M?sbct *")
  erts: Add age order first fit allocator strategies
  erts: Refactor erl_ao_firstfit_alloc
  erts: Add migration options "acnl" and "acfml"
  erts: Add more stats for mbcs_pool
  erts: Fix alloc_SUITE:migration
  stdlib: Make ets_SUITE memory check try again
  erts: Improve carrier pool search
  erts: Improve alloc_SUITE:migration
  erts: Refactor carrier dealloc migration

Merge branch 'lukas/kernel/os_cmd_max_size/maint-20/OTP-14823' into maint-20

2018-02-12T12:38:22+00:00

* lukas/kernel/os_cmd_max_size/maint-20/OTP-14823:
  kernel: Add os:cmd/2 with max_size option

Merge 'sverker/maint-19/alloc-n-migration/ERIERL-88'

2018-02-12T12:32:51+00:00

into 'sverker/maint-20/alloc-n-migration/ERIERL-88'

OTP-14915
OTP-14916
OTP-14917
OTP-14918

Merge 'sverker/carrier-migration-improvements'

2018-02-12T12:25:02+00:00

into 'sverker/maint-19/alloc-n-migration/ERIERL-88'

erts: Add system_flags(erts_alloc,"+M?sbct *")

2018-02-12T12:23:15+00:00

to change sbct limit in runtime for chosen allocator type.

With great power comes great responsibility.

erts: Add age order first fit allocator strategies

2018-02-12T12:23:15+00:00

ageffcaoff: Age First Fit Carrier, Address Order First Fit (within carrier)
ageffcbf  : Age First Fit Carrier, Best Fit (within carrier)
ageffcaobf: Age First Fit Carrier, Address Order Best Fit (within carrier)

Prefer old carriers, the older the better.

erts: Refactor erl_ao_firstfit_alloc

2018-02-08T16:42:53+00:00

In preparation for carrier age order.

Change 'flavor' to 'blk_order' and 'crr_order'.