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ce89d3577f
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fix: synchronise pagedir which now may be accessed by other threads, with a lock
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2024-12-06 18:22:00 +00:00 |
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Themis Demetriades
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3d6e30119b
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refactor: rename lru_lock to ftable_lock for greater clarity, and update comments to reflect this
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2024-12-06 15:31:27 +00:00 |
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EDiasAlberto
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d389c15828
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fix: acquire lru_lock before pinning frames to avoid race condition with eviction
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2024-12-06 13:20:43 +00:00 |
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Themis Demetriades
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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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3897e83963
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fix: use correct page_get function within page eviction
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2024-12-06 01:43:41 +00:00 |
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Demetriades, Themis
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96b350d623
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Merge branch 'vm/mmap-write-back-on-eviction' into 'vm/virtual-memory/themis-synch'
Write back mmap file pages to file upon eviction
See merge request lab2425_autumn/pintos_22!59
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2024-12-06 01:01:50 +00:00 |
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1da0c7d48c
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fix: properly assign frame owners and deallocate in all required places
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2024-12-06 00:29:57 +00:00 |
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sBubshait
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fc088a19ac
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Merge remote-tracking branch 'origin/vm/frame-pinning' into vm/virtual-memory/frame-synch/saleh
# Conflicts:
# src/userprog/syscall.c
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2024-12-05 23:48:52 +00:00 |
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sBubshait
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a34bbbed08
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Update frame: When evicting an mmapped file page, write it back to the file if it is dirty
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2024-12-05 22:53:48 +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
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2024-12-05 22:23:50 +00:00 |
|
sBubshait
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e03273756d
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Update frame table to add a pinned flag and protect those from being evicted
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2024-12-05 17:52:01 +00:00 |
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Themis Demetriades
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d03e253046
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feat: implement synchronisation to protecting access to PTEs of SPTs during eviction
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2024-12-05 16:51:15 +00:00 |
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Themis Demetriades
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1e236a5c47
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Merge branch 'vm/lazy-loading' into vm/page-swap-synch
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2024-12-04 19:11:37 +00:00 |
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Themis Demetriades
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fb73d694bf
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fix: frame allocation now invalidates the victim process page directory, not the caller's
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2024-12-04 16:41:13 +00:00 |
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Themis Demetriades
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1b73e415d7
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fix: invalidate PTEs of evicted pages before eviction occurs to prevent modificationof pages mid-eviction
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2024-12-04 15:02:49 +00:00 |
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Themis Demetriades
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6f85d7642d
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feat: implement clock (second-chance) page eviction algorithm
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2024-11-30 22:40:13 +00:00 |
|
Themis Demetriades
|
ea2725f606
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feat: implement frame table without thread safety
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2024-11-26 15:17:11 +00:00 |
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