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+[[!meta copyright="Copyright © 2011, 2012, 2013, 2014 Free Software Foundation,
+[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
+id="license" text="Permission is granted to copy, distribute and/or modify this
+document under the terms of the GNU Free Documentation License, Version 1.2 or
+any later version published by the Free Software Foundation; with no Invariant
+Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
+is included in the section entitled [[GNU Free Documentation
+[[!tag open_issue_gnumach]]
+# IRC, freenode, #hurd, 2011-08-31
+ <antrik> braunr: do you have any idea what could cause the paging errors
+ long before swap is exhausted?
+ <braunr> antrik: not really, but i know every project based on the mach vm
+ have rewritten their swap pager
+ <antrik> (and also I/O performance steadily dropping before that point is
+ reached?)
+[[performance/degradation]], [[ext2fs_page_cache_swapping_leak]].
+ <antrik> hm
+ <braunr> there could too many things
+ <antrik> perhaps we could "borrow" from one of them? :-)
+ <braunr> map entry fragmentation for example
+ <braunr> the freebsd one is the only possible candidate
+ <braunr> uvm is too different
+ <braunr> dragonflybsd maybe, but it's very close to freebsd
+ <braunr> i didn't look at darwin/xnu
+# [[trust_the_behavior_of_translators]]
+# IRC, freenode, #hurd, 2013-10-30
+ <braunr> it also seems that the kernel has trouble resuming processes that
+ have been swapped out