AGAIN: buffindexed: ovaddrec could not get new block

Russ Allbery rra at stanford.edu
Mon Dec 4 18:16:42 UTC 2000


Katsuhiro Kondou <kondou at nec.co.jp> writes:

> I cannot currently remember if mmap over file size promises
> filling null data.

Basically, it doesn't.  You get nulls filling out the last page, but only
if the mapped region isn't a multiple of the page size, so you can't rely
on it.  (And if you otherwise read past the end of the mapped region, you
get a segfault, generally.)

-- 
Russ Allbery (rra at stanford.edu)             <http://www.eyrie.org/~eagle/>



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