ruby.git/gc.c, branch v2_1_5

merge revision(s) r46387: [Backport #9607]

2014-08-30T16:29:40+00:00

	* gc.c: change full GC timing to keep lower memory usage.
	  Extend heap only at
	  (1) after major GC
	  or
	  (2) after several (two times, at current) minor GC
	  Details in https://bugs.ruby-lang.org/issues/9607#note-9
	  [Bug #9607]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@47326 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) r45542,r45543: [Backport #9717]

2014-08-20T16:52:33+00:00

	* gc.c (mark_current_machine_context): Call SET_STACK_END.
	  This reverts a hunk of r40703 by ko1.
	  This fixes [ruby-dev:48098] [Bug #9717].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@47229 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) r44577,r45097,r45330,r45331,r45354,r45356: [Backport #10033]

2014-08-02T15:25:17+00:00

	cptr.c: unused variable

	* ext/dl/cptr.c (rb_dlptr_inspect): remove no longer used variable.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@47036 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) r44712,r44715,r44716,r44722,r44725,r44726,r44753: [Backport #9454] [Backport #9828]

2014-06-19T15:56:56+00:00

	* thread_pthread.c: get current main thread stack size, which may
	  be expanded than allocated size at initialization, by rlimit().
	  [ruby-core:60113] [Bug #9454]

	* thread_pthread.c: rlimit is only available on Linux.
	  At least r44712 breaks FreeBSD.
	  [ruby-core:60113] [Bug #9454]

	* thread_pthread.c (ruby_init_stack, ruby_stack_overflowed_p):
	  place get_stack above others to get stack boundary information.
	  [ruby-core:60113] [Bug #9454]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@46468 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) r45224,r45228: [Backport #9838]

2014-06-11T14:21:53+00:00

	* gc.c (ruby_gc_set_params): fix building without RGenGC

	* gc.c (ruby_gc_set_params): simplify condition


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@46407 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) r45760: [Backport #9796]

2014-05-05T16:16:48+00:00

	* gc.c (gc_after_sweep): suppress unnecessary expanding heap.
	  Tomb heap pages are freed pages here, so expanding heap is
	  not required.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45833 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) r45638: [Backport #9518]

2014-05-04T16:26:30+00:00

	* gc.c (rb_gc_writebarrier): drop special case for big hash/array
	  [Bug #9518]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45818 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) r45468: [Backport #9687]

2014-05-04T16:17:08+00:00

	* gc.c (gc_before_sweep): cap `malloc_limit' to
	  gc_params.malloc_limit_max.  It can grow and grow with such case:
	    `loop{"a" * (1024 ** 2)}'
	  [Bug #9687]
	  This issue is pointed by Tim Robertson.
	  http://www.omniref.com/blog/blog/2014/03/27/ruby-garbage-collection-still-not-ready-for-production/


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45817 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) r45393: [Backport #9668]

2014-05-04T15:17:10+00:00

	* gc.c: Fix up default GC params by @csfrancis [fix GH-556]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45810 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) 44327: [Backport #9276]

2014-02-19T21:24:30+00:00

	* gc.c (ruby_gc_set_params): don't show obsolete warnings for
	  RUBY_FREE_MIN/RUBY_HEAP_MIN_SLOTS if
	  RUBY_GC_HEAP_FREE_SLOTS/RUBY_GC_HEAP_INIT_SLOTS are given.
	  [Bug #9276]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45054 b2dd03c8-39d4-4d8f-98ff-823fe69b080e