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Re: [PATCH 2/2 v5] [BZ #10283] localedef: align fixed maps to SHMLBA


From: Roland McGrath <roland@hack.frob.com>
Date: Wed, 19 Jun 2013 16:02:42 -0700 (PDT)

> You're not going to convince me that SHMLBA counts as "generic".
> The code should be written to make MAP_FIXED_ALIGNMENT optional
> and not do any extra alignment if it's not defined in libc-mmap.h.
> The generic libc-mmap.h should be empty (just comments).
> sysdeps/unix/sysv/linux/libc-mmap.h can use SHMLBA.
> 
> It may be worthwhile to define a proper public API for this (probably a GNU
> extension sysconf code makes sense), document that and implement it
> appropriately.  The sysdeps/unix/sysv/linux implementation of that could
> just use the existing SHMLBA.  Then localedef would be changed to use that
> API.  But that's for the future.

Sounds like a lot of pointless churn, when SHMLBA works universally in this
situation.

Your resistence on this issue seems to be unique.


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