History log of /opensolaris-onvv-gate/usr/src/uts/common/vm/seg_vn.h
Revision Date Author Comments
# 10169:116daeae7223 23-Jul-2009 Sudheer A <Sudheer.Abdul-Salam@Sun.COM>

6801244 ps takes too long when many AS segments because of rm_assize
Contributed by Chad Mynhier <cmynhier@forsythe.com>


# 6695:12d7dd4459fd 22-May-2008 aguzovsk

6423097 segvn_pagelock() may perform very poorly
6526804 DR delete_memory_thread, AIO, and segvn deadlock
6557794 segspt_dismpagelock() and segspt_shmadvise(MADV_FREE) may deadlock
6557813 seg_ppurge_seg() shouldn't flush all unrelated ISM/DISM segments
6557891 softlocks/pagelocks of anon pages should not decrement availrmem for memory swapped pages
6559612 multiple softlocks on a DISM segment should decrement availrmem just once
6562291 page_mem_avail() is stuck due to availrmem overaccounting and lack of seg_preap() calls
6596555 locked anonymous pages should not have assigned disk swap slots
6639424 hat_sfmmu.c:hat_pagesync() doesn't handle well HAT_SYNC_STOPON_REF and HAT_SYNC_STOPON_MOD flags
6639425 optimize checkpage() optimizations
6662927 page_llock contention during I/O


# 6517:dc84548e930e 30-Apr-2008 rh87107

6652163 segvn_setprot() over-allocates swap space


# 4902:d463935e82be 20-Aug-2007 paulsan

6575117 3.59% snv_67 oltpnet_10g_raw performance regression x64
6591195 segvn_init() may return before checking HAT_SHARED_REGIONS support
6591891 segvn_textrepl() should use AT_CTIME | AT_MTIME to check file modification date


# 4528:9ad45715d2ab 24-Jun-2007 paulsan

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


# 4426:1b5c93035912 08-Jun-2007 aguzovsk

6544121 Implement text replication


# 2991:4b13d6c49c6b 26-Oct-2006 susans

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


# 2414:4349245e130c 21-Jul-2006 aguzovsk

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


# 0:68f95e015346 14-Jun-2005 stevel@tonic-gate

OpenSolaris Launch


# 10169:116daeae7223 23-Jul-2009 Sudheer A <Sudheer.Abdul-Salam@Sun.COM>

6801244 ps takes too long when many AS segments because of rm_assize
Contributed by Chad Mynhier <cmynhier@forsythe.com>


# 6695:12d7dd4459fd 22-May-2008 aguzovsk

6423097 segvn_pagelock() may perform very poorly
6526804 DR delete_memory_thread, AIO, and segvn deadlock
6557794 segspt_dismpagelock() and segspt_shmadvise(MADV_FREE) may deadlock
6557813 seg_ppurge_seg() shouldn't flush all unrelated ISM/DISM segments
6557891 softlocks/pagelocks of anon pages should not decrement availrmem for memory swapped pages
6559612 multiple softlocks on a DISM segment should decrement availrmem just once
6562291 page_mem_avail() is stuck due to availrmem overaccounting and lack of seg_preap() calls
6596555 locked anonymous pages should not have assigned disk swap slots
6639424 hat_sfmmu.c:hat_pagesync() doesn't handle well HAT_SYNC_STOPON_REF and HAT_SYNC_STOPON_MOD flags
6639425 optimize checkpage() optimizations
6662927 page_llock contention during I/O


# 6517:dc84548e930e 30-Apr-2008 rh87107

6652163 segvn_setprot() over-allocates swap space


# 4902:d463935e82be 20-Aug-2007 paulsan

6575117 3.59% snv_67 oltpnet_10g_raw performance regression x64
6591195 segvn_init() may return before checking HAT_SHARED_REGIONS support
6591891 segvn_textrepl() should use AT_CTIME | AT_MTIME to check file modification date


# 4528:9ad45715d2ab 24-Jun-2007 paulsan

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


# 4426:1b5c93035912 08-Jun-2007 aguzovsk

6544121 Implement text replication


# 2991:4b13d6c49c6b 26-Oct-2006 susans

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


# 2414:4349245e130c 21-Jul-2006 aguzovsk

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


# 0:68f95e015346 14-Jun-2005 stevel@tonic-gate

OpenSolaris Launch