commit 4dbfefb68c77d1cc21a2f148f838ef7eea7050d3
Author: Matthew Dillon <[email protected]>
Date: Mon Feb 10 22:13:13 2020 -0800
kernel - Improve pageout daemon pipelining.
* Improve the pageout daemon's ability to pipeline writes to the
swap pager. This deals with a number of low-memory situations
where the pageout daemon was stopping too early (at the minimum
free page mark).
* We don't want the pageout daemon to enforce the paging targets
after a successful pass (as this makes it impossible to actually
use the memory in question), but we DO want it to continue pipelining
if the page stats are still below the hysteresis point governed by
vm_paging_needed().
Summary of changes:
sys/vm/vm_page.c | 8 ++--
sys/vm/vm_pageout.c | 126 +++++++++++++++++++++++++++++++++++++++++++---------
2 files changed, 109 insertions(+), 25 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/4dbfefb68c77d1cc21a2f148f838ef7eea7050d3
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DragonFly BSD source repository
