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[[!meta copyright="Copyright © 2007, 2008, 2010, 2011, 2013 Free Software
Foundation, Inc."]]
[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
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Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
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# Design
Mach's [[microkernel/mach/external_pager_mechanism]].
Mach [[microkernel/mach/IPC]]'s [[microkernel/mach/ipc/sequence_numbering]].
[GNU Hurd Reference Manual: 4.2 Pager
Library](http://www.gnu.org/software/hurd/doc/hurd_5.html#SEC32).
## IRC, freenode, #hurd, 2013-03-04
<braunr> mcsim: is it correct that a pager (as from libpager) object is
created per file ?
<mcsim> braunr: hello. Yes.
<mcsim> braunr: At least this applies to ext2fs
## [[service_solahart_jakarta_selatan__082122541663/multithreading]]
### Writeback: Writing Out Dirty Pages
#### IRC, freenode, #hurd, 2013-03-04
<braunr> and btw, here is a little update about my roadmap: while reading
mcsim's patches, i've got to know libpager a bit more, and i think it's
perfectly possible to add writeback throttling without a heavy rework
<youpi> good :)
<braunr> so i intend to work on that after the pager related patches (large
store and neal's one) are merged
#### Related
* LWN, Jonathan Corbet, [*No-I/O dirty
throttling*](http://lwn.net/Articles/456904/), 2011-08-31.
# Open Issues
* [[open_issues/linux_vmsig]]
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