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69 Commits

Author SHA1 Message Date
Robert Toyonaga
6589010eeb make PlaceholderRegion immutable 2026-04-07 14:33:28 -04:00
Robert Toyonaga
700ff1b561 Use VirtualAlloc2 to fix races 
test working. need to focus on map

refactor and one more test

new test, comments, fix aix split memory accounting, use unified logging instead of warning()

remove map API code. Rename to PlacholderRegion. Fix os::release

remove map_memory API code

fix race and simplify AOTMetaspace::reserve_address_space_for_archives

clean up

comments

test: map_memory_to_file_aligned_larger

remove old test and modify tests

clean up

fix aix and comments

cleanup

gate fix

anothe rgate fix

fix windows test

account for wish address

fix missing NMT accounting

comments

small cleanup

trailing whitespaces
 2026-03-16 15:46:55 -04:00
Matthias Baesken
0c09d2e222 8377880: Enable unused function warnings in hotspot with clang too 
Reviewed-by: azafari, syan, clanger, lucy
 2026-02-25 08:16:14 +00:00
Robert Toyonaga
9c75afb6d0 8353564: Fail fatally if os::release_memory or os::uncommit_memory fails 
Reviewed-by: stefank, stuefe, dholmes
 2026-02-13 04:47:36 +00:00
Matthias Baesken
98e1d2fab1 8369563: Gtest dll_address_to_function_and_library_name has issues with stripped pdb files 
Reviewed-by: clanger, lucy
 2025-10-13 10:13:00 +00:00
David Holmes
0735dc27c7 8362846: Windows error reporting for dll_load doesn't check for a null buffer 
8362954: Missing error buffer null check in os::dll_load on Linux/BSD

Reviewed-by: mgronlun, kbarrett
 2025-07-23 00:36:35 +00:00
Gerard Ziemski
9a2a2c5bb1 8354547: REDO: Force clients to explicitly pass mem_tag value, even if it is mtNone 
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Reviewed-by: stefank, coleenp, jsjolen
 2025-04-30 17:57:00 +00:00
Robert Toyonaga
44c5aca54d 8341491: Reserve and commit memory operations should be protected by NMT lock 
Reviewed-by: stuefe, stefank
 2025-04-23 11:53:09 +00:00
Gerard Ziemski
0da480a91d 8354535: [BACKOUT] Force clients to explicitly pass mem_tag value, even if it is mtNone 
Reviewed-by: stefank, jsjolen
 2025-04-14 18:47:59 +00:00
Gerard Ziemski
43b194741c 8344883: Force clients to explicitly pass mem_tag value, even if it is mtNone 
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Reviewed-by: stefank, jsjolen
 2025-04-14 16:22:07 +00:00
Coleen Phillimore
4a9fba615d 8347990: Remove SIZE_FORMAT macros and replace remaining uses 
Reviewed-by: dholmes, kbarrett
 2025-01-21 13:18:58 +00:00
Stefan Karlsson
c33c1cfe73 8347909: Automatic precompiled.hpp inclusion 
Reviewed-by: lkorinth, erikj, dholmes, ihse
 2025-01-21 10:21:24 +00:00
Simon Tooke
7a64fbbb92 8338851: Hoist os::Posix::realpath() to os::realpath() and implement on Windows 
Reviewed-by: dholmes, stuefe, jwaters
 2024-10-17 08:06:37 +00:00
Matthias Baesken
b9e65f982f 8337662: Improve os::print_hex_dump for printing Instructions sections 
Reviewed-by: stuefe, lucy
 2024-08-30 06:47:49 +00:00
Robert Toyonaga
4a73ed44f1 8330144: Revise os::free_memory() 
Reviewed-by: stuefe, mbaesken
 2024-07-18 13:35:32 +00:00
Joachim Kern
ced9906635 8334371: [AIX] Beginning with AIX 7.3 TL1 mmap() supports 64K memory pages 
Reviewed-by: stuefe, mbaesken, mdoerr
 2024-07-04 11:20:57 +00:00
Thomas Stuefe
38a578d547 8334738: os::print_hex_dump should optionally print ASCII 
Reviewed-by: dholmes, sgehwolf
 2024-07-04 06:20:03 +00:00
Afshin Zafari
f665e07ab2 8331540: [BACKOUT] NMT: add/make a mandatory MEMFLAGS argument to family of os::reserve/commit/uncommit memory API 
Reviewed-by: jwilhelm
 2024-05-03 10:17:11 +00:00
Afshin Zafari
4036d7d824 8330076: NMT: add/make a mandatory MEMFLAGS argument to family of os::reserve/commit/uncommit memory API 
Reviewed-by: stefank, jsjolen, stuefe
 2024-05-02 07:19:56 +00:00
Joachim Kern
0ae4fa71e4 8327210: AIX: Delete obsolete parameter Use64KPagesThreshold 
Reviewed-by: gli, stuefe, mdoerr
 2024-03-13 10:12:57 +00:00
Coleen Phillimore
c1281e6b45 8324678: Replace NULL with nullptr in HotSpot gtests 
Reviewed-by: kbarrett, dholmes, jwaters
 2024-01-29 17:12:13 +00:00
Afshin Zafari
66520be7a7 8280056: gtest/LargePageGtests.java#use-large-pages failed "os.release_one_mapping_multi_commits_vm" 
Reviewed-by: stuefe, gziemski
 2024-01-12 08:21:42 +00:00
Johan Sjölen
9864951dce 8318447: Move NMT source code to own subdirectory 
Reviewed-by: stefank, dholmes, stuefe
 2023-10-26 14:03:49 +00:00
Thomas Stuefe
5ba9705d60 8318485: Narrow klass shift should be zero if encoding range extends to 0x1_0000_0000 
Reviewed-by: ccheung, iklam
 2023-10-23 21:10:52 +00:00
Thomas Stuefe
c32e340d94 8315321: [aix] os::attempt_reserve_memory_at must map at the requested address or fail 
Reviewed-by: mdoerr
 2023-09-01 11:05:34 +00:00
Thomas Stuefe
89d18ea40f 8312018: Improve reservation of class space and CDS 
8313669: Reduced chance for zero-based nKlass encoding since JDK-8296565

Reviewed-by: iklam, adinn
 2023-08-30 17:51:28 +00:00
Thomas Stuefe
3699666c93 8313319: [linux] mmap should use MAP_FIXED_NOREPLACE if available 
Reviewed-by: jsjolen, dholmes
 2023-08-24 05:16:58 +00:00
Thomas Stuefe
a0d0f21f08 8314752: Use google test string comparison macros 
Reviewed-by: coleenp, kbarrett
 2023-08-23 05:26:05 +00:00
Coleen Phillimore
f47767ffef 8313882: Fix -Wconversion warnings in runtime code 
Reviewed-by: pchilanomate, dlong, dholmes
 2023-08-10 11:57:25 +00:00
Thomas Stuefe
8f28809aa8 8299790: os::print_hex_dump is racy 
Reviewed-by: shade, dholmes
 2023-08-10 07:21:47 +00:00
Vladimir Petko
0243da2e4a 8305481: gtest is_first_C_frame failing on ARM 
Reviewed-by: stuefe
 2023-04-10 09:21:23 +00:00
Afshin Zafari
4fe99da74f 8151413: os::allocation_granularity/page_size and friends return signed values 
Reviewed-by: stefank, ccheung, ysr
 2023-02-07 14:08:01 +00:00
Stefan Karlsson
df6cf1e41d 8296886: Fix various include sort order issues 
Reviewed-by: kbarrett, dholmes, stuefe
 2022-11-24 15:06:19 +00:00
Gerard Ziemski
ccc6e16918 8291067: macOS should use O_CLOEXEC instead of FD_CLOEXEC 
Reviewed-by: dcubed, dholmes, stuefe
 2022-11-22 16:30:24 +00:00
Thomas Stuefe
0845b39caf 8296796: Provide clean, platform-agnostic interface to C-heap trimming 
Reviewed-by: dholmes, rkennke
 2022-11-19 11:52:55 +00:00
Ioi Lam
b6b0317f83 8290840: Refactor the "os" class 
Reviewed-by: dholmes, gziemski, stuefe, stefank
 2022-08-04 01:20:29 +00:00
Coleen Phillimore
270cf67e5f 8288752: Split thread implementation files 
Reviewed-by: dholmes, rehn, iklam
 2022-06-22 12:49:25 +00:00
Thomas Stuefe
2e9fd56524 8283670: gtest os.release_multi_mappings_vm is still racy 
Reviewed-by: mdoerr, dholmes
 2022-03-29 07:09:27 +00:00
Thomas Stuefe
78ef2fdef6 8283562: JDK-8282306 breaks gtests on zero 
Reviewed-by: shade
 2022-03-23 12:55:28 +00:00
Johannes Bechberger
999da9bfc5 8282306: os::is_first_C_frame(frame*) crashes on invalid link access 
Reviewed-by: stuefe, mdoerr
 2022-03-21 15:49:59 +00:00
Thomas Stuefe
f07b816523 8280940: gtest os.release_multi_mappings_vm is racy 
Reviewed-by: dcubed, sjohanss
 2022-02-14 16:41:47 +00:00
Gerard Ziemski
d1efb0cc56 8267341: macos attempt_reserve_memory_at(arg1, arg2, true) failure 
Reviewed-by: dcubed, dholmes
 2022-01-19 22:34:54 +00:00
Daniel D. Daugherty
92d2176362 8273967: gtest os.dll_address_to_function_and_library_name_vm fails on macOS12 
Reviewed-by: stuefe, gziemski
 2021-11-05 17:04:39 +00:00
Daniel D. Daugherty
e6fa5fa37e 8276063: ProblemList gtest dll_address_to_function_and_library_name on macosx-generic 
Reviewed-by: tschatzl
 2021-10-27 14:24:02 +00:00
Daniel D. Daugherty
7addcd7cfb 8276034: ProblemList gtest dll_address_to_function_and_library_name on macosx-x64 
Reviewed-by: prr
 2021-10-26 22:03:18 +00:00
Daniel D. Daugherty
d62fbea7b4 8271898: disable os.release_multi_mappings_vm on macOS-X64 
Reviewed-by: kbarrett
 2021-08-04 21:06:23 +00:00
Thomas Stuefe
eec64f5587 8256844: Make NMT late-initializable 
Reviewed-by: coleenp, zgu
 2021-08-04 12:19:02 +00:00
Gerard Ziemski
237fee8bbd 8267339: Temporarily disable os.release_multi_mappings_vm on macOS x64 
Reviewed-by: hseigel, dcubed
 2021-05-19 16:42:10 +00:00
Gerard Ziemski
fadf58043c 8262952: [macos_aarch64] os::commit_memory failure 
Reviewed-by: stuefe, aph
 2021-05-18 14:44:12 +00:00
Thomas Stuefe
f3fb5a4524 8266942: gtest/GTestWrapper.java os.iso8601_time_vm failed 
Reviewed-by: dcubed
 2021-05-15 05:20:01 +00:00