Public Git Hosting - linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git/search

2009-02-11	KAMEZAWA Hiroyuki	memcg: use __GFP_NOWARN in page cgroup allocation Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-30	KAMEZAWA Hiroyuki	memcg: NULL pointer dereference at rmdir on some NUMA... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-30	KAMEZAWA Hiroyuki	memcg: update document to mention that swapoff should... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-30	KAMEZAWA Hiroyuki	memcg: fix refcnt handling at swapoff Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-30	KAMEZAWA Hiroyuki	cgroups: use hierarchy mutex in creation failure path Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: fix shmem's swap accounting Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: fix LRU accounting for SwapCache Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: use css_tryget in memcg From:KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: fix double free and make refcnt sane Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: fix swap accounting leak Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: explain details and test document Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: show real limit under hierarchy mode Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: rename scan global lru Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: swapout refcnt fix Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: revert gfp mask fix Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: fix reclaim result checks Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: avoid unnecessary system-wide-oom-killer Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: synchronized LRU Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: mem+swap controller core Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: swap cgroup for remembering usage Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: mem+swap controller Kconfig Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: handle swap caches Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: new force_empty to free pages under group Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: move all acccounting to parent at rmdir() Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: simple migration handling Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: fix gfp_mask of callers of charge Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	memcg: introduce charge-commit-cancel style of functions Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2009-01-08	KAMEZAWA Hiroyuki	cgroups: make cgroup config a submenu Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-12-10	KAMEZAWA Hiroyuki	page_cgroup should ignore empty nodes Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-12-02	KAMEZAWA Hiroyuki	memcg: memory hotplug fix for notifier callback	commit \| commitdiff \| tree
2008-11-20	KAMEZAWA Hiroyuki	cgroup: fix potential deadlock in pre_destroy Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-11-13	KAMEZAWA Hiroyuki	memcg: bugfix for memory hotplug Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-10-30	KAMEZAWA Hiroyuki	memcg: update menuconfig help text Signed-off-by: KAMEZAWA hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-10-23	KAMEZAWA Hiroyuki	memcg: fix page_cgroup allocation Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-10-20	KAMEZAWA Hiroyuki	memcg: allocate all page_cgroup at boot Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-10-20	KAMEZAWA Hiroyuki	memcg: atomic ops for page_cgroup->flags Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-10-20	KAMEZAWA Hiroyuki	memcg: optimize per-cpu statistics Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-10-20	KAMEZAWA Hiroyuki	memcg: avoid accounting special pages Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-10-20	KAMEZAWA Hiroyuki	memcg: make page->mapping NULL before uncharge Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-10-20	KAMEZAWA Hiroyuki	memcg: move charge swapin under lock Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-07-25	KAMEZAWA Hiroyuki	memcg: limit change shrink usage Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-07-25	KAMEZAWA Hiroyuki	res_counter: limit change support ebusy Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-07-25	KAMEZAWA Hiroyuki	memcg: remove a redundant check Signed-off-by : KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-07-25	KAMEZAWA Hiroyuki	memcg: add hints for branch Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-07-25	KAMEZAWA Hiroyuki	memcg: helper function for relcaim from shmem. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-07-25	KAMEZAWA Hiroyuki	memcg: remove refcnt from page_cgroup Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-07-25	KAMEZAWA Hiroyuki	memcg: better migration handling Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-07-25	KAMEZAWA Hiroyuki	memcg: avoid unnecessary initialization	commit \| commitdiff \| tree
2008-07-25	KAMEZAWA Hiroyuki	memcg: make global var read_mostly Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-04-29	KAMEZAWA Hiroyuki	memcgroup: use vmalloc for mem_cgroup allocation Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-04-29	KAMEZAWA Hiroyuki	memcg: remove redundant function calls Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-04-29	KAMEZAWA Hiroyuki	mm: fix usemap initialization Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-04-28	KAMEZAWA Hiroyuki	mm: fix broken gfp_zone with __GFP_THISNODE Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-04-09	KAMEZAWA Hiroyuki	memcg: fix node_state handling Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	update Documentation/controller/memory.txt Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	per-zone and reclaim enhancements for memory controller... Signed-off-by: KAMEZAWA hiroyuki <kmaezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	per-zone and reclaim enhancements for memory controller... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	per-zone and reclaim enhancements for memory controller... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	per-zone and reclaim enhancements for memory controller... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	per-zone and reclaim enhancements for memory controller... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	per-zone and reclaim enhancements for memory controller... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	per-zone and reclaim enhancements for memory controller... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	per-zone and reclaim enhancements for memory controller... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	per-zone and reclaim enhancements for memory controller... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	per-zone and reclaim enhancements for memory controller... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	memory cgroup enhancements: implicit force_empty()... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	memory cgroup enhancements: add- pre_destroy() handler Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	memory cgroup enhancements: add memory.stat file Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	memory cgroup enhancements: add status accounting function... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	memory cgroup enhancements: remember "a page is on... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	memory cgroup enhancements: remember "a page is charged... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	memory cgroup enhancements: force_empty interface for... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	memory cgroup enhancements: fix zone handling in try_to_free... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	bugfix for memory cgroup controller: avoid !PageLRU... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	bugfix for memory cgroup controller: migration under... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2008-02-07	KAMEZAWA Hiroyuki	bugfix for memory controller: add helper function for... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-11-29	KAMEZAWA Hiroyuki	memory hotplug x86_64: fix section mismatch in init_memory_m... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-11-29	KAMEZAWA Hiroyuki	memory hotplug fix: fix section mismatch in vmammap_allock_b... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-11-15	KAMEZAWA Hiroyuki	memory hotremove: unset migrate type "ISOLATE" after... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-10-19	KAMEZAWA Hiroyuki	CPU HOTPLUG: avoid hotadd when proper possible_map... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-10-16	KAMEZAWA Hiroyuki	fix memory hot remove not configured case. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-10-16	KAMEZAWA Hiroyuki	memory unplug: ia64 interface Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-10-16	KAMEZAWA Hiroyuki	memory unplug: page offline Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-10-16	KAMEZAWA Hiroyuki	memory unplug: page isolation Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-10-16	KAMEZAWA Hiroyuki	memory unplug: memory hotplug cleanup Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-10-16	KAMEZAWA Hiroyuki	flush icache before set_pte() on ia64: flush icache... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-10-16	KAMEZAWA Hiroyuki	flush cache before installing new page at migraton Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-08-31	KAMEZAWA Hiroyuki	fix rcu_read_lock() in page migraton Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-07-26	KAMEZAWA Hiroyuki	memory unplug: isolate_lru_page fix Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-07-26	KAMEZAWA Hiroyuki	memory unplug: migration by kernel Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-07-16	KAMEZAWA Hiroyuki	change zonelist order: zonelist order selection logic Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-03-29	KAMEZAWA Hiroyuki	[IA64] bugfix stack layout upside-down Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-03-07	KAMEZAWA Hiroyuki	[IA64] fix NULL pointer in ia64/irq_chip-mask/unmask... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2007-02-21	KAMEZAWA Hiroyuki	[PATCH] fix mempolicy's check on a system with memory... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2006-12-30	KAMEZAWA Hiroyuki	[PATCH] fix oom killer kills current every time if... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2006-11-09	KAMEZAWA Hiroyuki	[PATCH] ia64: select ACPI_NUMA if ACPI Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujtisu.com>	commit \| commitdiff \| tree
2006-09-27	KAMEZAWA Hiroyuki	[PATCH] fix "cpu to node relationship fixup: map cpu... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2006-09-26	KAMEZAWA Hiroyuki	[PATCH] cpu to node relationship fixup: map cpu to... Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2006-09-26	KAMEZAWA Hiroyuki	[PATCH] cpu to node relationship fixup: acpi_map_cpu2node Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
2006-08-27	KAMEZAWA Hiroyuki	[PATCH] x86: NUMAQ Kconfig fix Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>	commit \| commitdiff \| tree
next

Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree

RSS Atom