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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 33 |
1 files changed, 33 insertions, 0 deletions
@@ -1,3 +1,36 @@ +1999-06-27 Thomas Bushnell, BSG <tb@mit.edu> + + * vm/vm_resident.c (vm_page_external_count): Define variable. + (vm_page_grab): New argument `external'. All callers changed. + Keep track of number of externally managed pages. Don't let + non-privileged threads exceed the externally-managed page limit. + (vm_page_grab_contiguous_pages): New argument `external'. All + callers changed. Keep track of number of externally managed + pages. Don't let non-privileged threads exceed the + externally-managed page limit. + (vm_page_convert): New argument `external'. All callers changed. + (vm_page_release): New argument `external'. All callers + changed. Keep track of number of externally managed pages. + (vm_page_bootstrap): Initialize M->external. + * vm/vm_page.h (vm_page_external_limit, vm_page_external_count): + New variables. + (struct vm_page): New members `external' and `extcounted'. + * vm/vm_pageout.c (vm_pageout): Initialize vm_page_external_limit + and vm_page_external_target. + (VM_PAGE_EXTERNAL_LIMIT, VM_PAGE_EXTERNAL_TARGET): New macro. + (vm_pageout_external_target): New variable. + (vm_pageout_scan): Regard "too many externally managed pages" as a + reason to keep doing work, but if that's the only reason we're + doing work, then the only thing we do is schedule cleaning of + pages. Help keep track of the number of externally managed pages + that we care about. + + * vm/vm_pageout.c (VM_PAGEOUT_BURST_WAIT): Reduce to 10ms/page. + (VM_PAGEOUT_EMPTY_WAIT): Reduce to 75 ms. + (VM_PAGE_FREE_RESERVED): Increase to 50 pages. + (VM_PAGEOUT_RESERVED_INTERNAL): Adjust to `(reserve) - 25'. + (VM_PAGEOUT_RESERVED_REALLY): Adjust to `(reserve) - 40'. + 1999-06-21 Thomas Bushnell, BSG <tb@mit.edu> * i386/Files: Don't mention i386/pc/Makerules, |