On Tue 2017-05-16 11:27:08, Kevin McKinney wrote: > Hi Everyone, > > Would it be possible to have a custom block device driver read/write > in increments of 12k instead of reading/writing data in 4k increments? > In other words, I would like to change the default page size on a > x86_64 platform (4.4.0 kernel) from 4k to 12k as the minimum page > size? I understand I may have negative performance due to > fragmentation. Any help would be appreciated. > > If this is the wrong mailing list, please let me know the right one to use.
I won't say "no" but ammount of work neccessary is likely measured in man-years. Plus, hardware page size _is_ 4KB. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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