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(parent: 1eadf4a) | patch
Skip missing page directories in deallocuvm
authorAustin Clements <amdragon@mit.edu>
Fri, 2 Sep 2011 01:29:09 +0000 (21:29 -0400)
committerAustin Clements <amdragon@mit.edu>
Fri, 2 Sep 2011 01:29:09 +0000 (21:29 -0400)
commit052e18485d19f26d4182a662054369926d0c4dd0
treeccbb08c086a571069550f26635555a201c747c67tree | snapshot
parent1eadf4a8fcc34f79075bb61d3546be303745e461commit | diff
Skip missing page directories in deallocuvm

Previously, deallocuvm scanned from 0 to KERNBASE in one page
increments, which had a noticable effect on boot time.  Now it skips
over missing page directories.
vm.c diff | blob | history
CS3210 lab 0