backout 6535949: needs more work

6535949 availability of 2M pages degrades over time on Solaris/x64

6881015 ZFS write activity prevents other threads from running in a timely manner
6899867 mstate_thread_onproc_time() doesn't account for runnable time correctly
PSARC/2009/615 System Duty Cycle Sche

6881015 ZFS write activity prevents other threads from running in a timely manner
6899867 mstate_thread_onproc_time() doesn't account for runnable time correctly
PSARC/2009/615 System Duty Cycle Scheduling Class and ZFS IO Observability

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6627804 Repeated attach/detach to ISM segment fails with ENOMEM for 32bit program

6521412 PSARC 2006/525: new boot sparc
6451467 bootadm update-archive does the wrong thing if interrupted
6477079 ability to pick up post bfu binaries from bfu PATH conflicts with sane scripting

PSARC 2006/266 Shared Context Support
PSARC 2006/267 Shared Region HME Block support
6388600 do_virtual_coloring checks should be expunged from sfmmu
6449192 Integrate support for MMU Shared Contexts

PSARC 2006/266 Shared Context Support
PSARC 2006/267 Shared Region HME Block support
6388600 do_virtual_coloring checks should be expunged from sfmmu
6449192 Integrate support for MMU Shared Contexts
6449195 Integrate support for Shared Region HME Blocks

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6527696 /etc/system colorequiv setting has no impact

6488843 Hashed Cache index mode support for Huron
6489149 colorequivszc[] may be set incorrectly on sun4v
6489393 MTYPE_START/MTYPE_NEXT DR race in ASSERT macro
6493685 randomize effective process us

6488843 Hashed Cache index mode support for Huron
6489149 colorequivszc[] may be set incorrectly on sun4v
6489393 MTYPE_START/MTYPE_NEXT DR race in ASSERT macro
6493685 randomize effective process user stack start address to avoid thrashing caches on sun4v platforms

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6254029 memcntl() MC_HAT_ADVISE with page size 0 may cause segment page sizes to be demoted
6325885 map_pgszstk() uses p->p_brkpageszc rather than p->p_stkpageszc
6371967 assign large pages to anon s

6254029 memcntl() MC_HAT_ADVISE with page size 0 may cause segment page sizes to be demoted
6325885 map_pgszstk() uses p->p_brkpageszc rather than p->p_stkpageszc
6371967 assign large pages to anon segment created using mmap /dev/zero
6483208 unify and cleanup OOB (out of the box) large pagesize selection code
6483216 use intermediate pagesizes to map the beginning of bss/heap and stack when it may help performance
6483226 bss size is not properly taken into account by LP OOB policy at exec() time
6483230 grow_internal() doesn't properly align stack bottom for large pages
6483231 memcntl.c: ASSERT(IS_P2ALIGNED(p->p_brkbase + p->p_brksize, pgsz));
6483233 provide a mechanism to enable the use of 32M text pages on OPL by default
6485171 memcntl() shouldn't silently fail when stack space is unavailable with requested pagesize

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PSARC 2006/236 Hashed Cache index support
6409758 Integrate the support for Hashed Cache index mode
6249718 page_freelist_fill() can return a page of the wrong mtype
6478353 page_get_mnode_freelist(s

PSARC 2006/236 Hashed Cache index support
6409758 Integrate the support for Hashed Cache index mode
6249718 page_freelist_fill() can return a page of the wrong mtype
6478353 page_get_mnode_freelist(szc > 0) should call page_freelist_coalesce() for every bin it tries
6478363 page_get_mnode_cachelist() may ignore PG_MATCH_COLOR flag
6470374 PLCNT_SZ() macro in sun4/vm/vm_dep.h has incorrect loop condition

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6458128 SAP performs 5% better with 4M pages than with 32M pages

4614772 MPSS to be extended to shared memory
6413095 madvise() freeing up whole pages even when passed sizes smaller than a page
6416714 anon_map_getpages panic during stress test
6428347 multilple p

4614772 MPSS to be extended to shared memory
6413095 madvise() freeing up whole pages even when passed sizes smaller than a page
6416714 anon_map_getpages panic during stress test
6428347 multilple pagelocks/softlocks on the same large page should decrement availrmem just once

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6331963 Fix for 6272550 could be improved
6426868 race between hat_add_callback() and hat_page_relocate() causes system panic
6429406 pci nexus driver must use a unique 'key' in hat_register_callback

6331963 Fix for 6272550 could be improved
6426868 race between hat_add_callback() and hat_page_relocate() causes system panic
6429406 pci nexus driver must use a unique 'key' in hat_register_callback()

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6286816 page_numtopp_nolock is inefficent
6288107 Missing comment terminator in i86pc/ml/locore.s
6290613 high page_get_cachelist failure rate on jurassic
6297005 performance issues with page_nextn()

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