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77fedd6666
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fix: synchronise threads' SPTs with locks
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2024-12-06 17:31:33 +00:00 |
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EDiasAlberto
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be696ec528
|
fix: re-enable shareable read only executable logic
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2024-12-06 17:07:17 +00:00 |
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4104d2c852
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fix: always add to frame owners when installing existing shared page.
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2024-12-06 15:23:41 +00:00 |
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Themis Demetriades
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8ac34063d7
|
fix: disable 'shareable' flag to probe race conditions
|
2024-12-06 10:56:38 +00:00 |
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Themis Demetriades
|
65da1659e5
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feat: merged shared-read-only-executables with the rest of VM
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2024-12-06 04:15:13 +00:00 |
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Themis Demetriades
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31403ac7cb
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fix: obtain correct page table entry when performing eviction
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2024-12-06 00:56:03 +00:00 |
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|
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1da0c7d48c
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fix: properly assign frame owners and deallocate in all required places
|
2024-12-06 00:29:57 +00:00 |
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|
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833c1b0520
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fix: only swap out shared pages once
|
2024-12-05 22:37:14 +00:00 |
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|
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9aa9cdb91e
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feat: implement proper destruction of pages, including for shared pages
|
2024-12-05 22:23:50 +00:00 |
|
Themis Demetriades
|
2811ea0eb3
|
fix: SPT never removes entries until process termination or special case
|
2024-12-05 22:05:02 +00:00 |
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|
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dd46200256
|
feat: initial shared file page management and initialization
|
2024-12-05 21:46:49 +00:00 |
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|
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4dd6b6e928
|
fix: do not leak when inserting the same page twice, just update
|
2024-12-05 19:38:27 +00:00 |
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|
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0f1f7b9a6f
|
refactor: extract init_pages
|
2024-12-05 19:35:39 +00:00 |
|
Themis Demetriades
|
d03e253046
|
feat: implement synchronisation to protecting access to PTEs of SPTs during eviction
|
2024-12-05 16:51:15 +00:00 |
|
sBubshait
|
f13fd435cd
|
Merge remote-tracking branch 'origin/vm/page-swap-synch' into vm/virtual-memory/saleh
# Conflicts:
# .gitlab-ci.yml
# src/Makefile.build
# src/threads/thread.c
# src/userprog/exception.c
# src/userprog/process.c
# src/vm/frame.c
# src/vm/page.c
# src/vm/page.h
# src/vm/stackgrowth.c
# src/vm/stackgrowth.h
|
2024-12-05 02:21:53 +00:00 |
|
EDiasAlberto
|
ac31fb1e1e
|
feat: set accessed bit to allocated frames in page_load and get_usr_kpage
|
2024-12-05 01:41:23 +00:00 |
|
sBubshait
|
26a2d40325
|
Implement implicitly unmapping all mmapped files when a process exits. Refactor to reduce duplication
|
2024-12-04 22:00:59 +00:00 |
|
Themis Demetriades
|
1e236a5c47
|
Merge branch 'vm/lazy-loading' into vm/page-swap-synch
|
2024-12-04 19:11:37 +00:00 |
|
sBubshait
|
941e1e067a
|
Update SPT page entry to change type from EXECUTABLE to PAGE_FILE to capture mmaps in addition to executables
|
2024-12-04 17:51:30 +00:00 |
|
Themis Demetriades
|
4bf6914cfa
|
feat: incorporate lazy-loading data & helpers into supplemental page table
|
2024-12-04 16:45:36 +00:00 |
|
Themis Demetriades
|
1b73e415d7
|
fix: invalidate PTEs of evicted pages before eviction occurs to prevent modificationof pages mid-eviction
|
2024-12-04 15:02:49 +00:00 |
|
Themis Demetriades
|
08eafcf7ef
|
feat: implement page swapping
|
2024-12-03 16:53:47 +00:00 |
|
Themis Demetriades
|
bb16abdc0d
|
refactor: supplemental page table helper functions follow code style
|
2024-12-01 23:30:50 +00:00 |
|
EDiasAlberto
|
94adc11f03
|
Feat: implement page_get_swap and page_set_swap functions
|
2024-11-30 03:21:34 +00:00 |
|
Themis Demetriades
|
149bb42889
|
feat: implement clock (second-chance) page eviction algorithm
|
2024-11-29 19:30:47 +00:00 |
|
sBubshait
|
92d0b68243
|
Fix: Avoid closing the file after loading segments to be able to lazily load from file without opening, w/ G
|
2024-11-29 14:32:55 +00:00 |
|
sBubshait
|
801fd7d310
|
Implement page fault for lazy loading executables, w/ G
|
2024-11-28 20:03:50 +00:00 |
|
sBubshait
|
97e6e0fb1e
|
Add SPT Helper Functions: Insert, Get, Cleanup w/ G
|
2024-11-28 18:18:52 +00:00 |
|
sBubshait
|
14fc96febf
|
Implement Supplemental Page Table (SPT) per thread along with structure for its entries, w/ G
|
2024-11-28 17:54:15 +00:00 |
|
Themis Demetriades
|
1e6b90da0d
|
Implement skeleton for swapping frames into disk
|
2024-11-26 18:59:46 +00:00 |
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