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Re: _IO_file_underflow_mmap read call for atime


Jakub Jelinek wrote:

Fine, cannot we mmap at the time of the first read then (and if fall back to
non-mmap stdio if that is not possible)?
The current code decides at startup time whether to use the mmap functions or not. It would be conceivable to delay this but it makes things more complicated. If you want to give it a try feel free.

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