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From: John Levine <johnl@taugh.com>
Newsgroups: comp.arch
Subject: Re: streams and file locks, ancient OS history, ARM is sort of channeling
Date: Sun, 30 Jun 2024 22:55:35 -0000 (UTC)
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According to MitchAlsup1 <mitchalsup@aol.com>:
>Scott Lurndal wrote:
>>
>> In fact, you can ftruncate arbitrarily large at the start -
>> backing sectors for the mapped pages will only be allocated when
>> a page is referenced for the first time.
>
>Can you ftruncate( 0x7FFFFFFFFFFFFFFFF ); ?? ½ of the address space

Every filesystem has a maximum file size. Exceed that and you'll get
an EFBIG error.

-- 
Regards,
John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly