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Re: [PATCH] malloc.c fix for MALLOC_ALIGN_MASK tests.

From: Ulrich Drepper <drepper at redhat dot com>
To: Peter Bergner <bergner at vnet dot ibm dot com>
Cc: libc-alpha at sources dot redhat dot com
Date: Thu, 15 Sep 2005 12:33:03 -0700
Subject: Re: [PATCH] malloc.c fix for MALLOC_ALIGN_MASK tests.
References: <20050915153545.GA9653@otta.roc.mn.charter.com> <4329AFA1.8040306@redhat.com> <1126808475.19004.35.camel@localhost.localdomain> <4329C0E3.2000809@redhat.com> <1126811404.19004.53.camel@localhost.localdomain>

Peter Bergner wrote:
> I'm curious, how does the patch make the checks more expensive?

Just run it through the compiler, especially on x86.

> than testing for a
> particular architecture in case another arch or user attempts to
> use a larger MALLOC_ALIGNMENT?

Nobody should do such a stupid thing.  It creates binary
incompatibilities.  If you need more alignment, use posix_memalign.

-- 
â Ulrich Drepper â Red Hat, Inc. â 444 Castro St â Mountain View, CA â

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Follow-Ups:
- Re: [PATCH] malloc.c fix for MALLOC_ALIGN_MASK tests.
  - From: Peter Bergner

References:
- [PATCH] malloc.c fix for MALLOC_ALIGN_MASK tests.
  - From: Peter Bergner
- Re: [PATCH] malloc.c fix for MALLOC_ALIGN_MASK tests.
  - From: Ulrich Drepper
- Re: [PATCH] malloc.c fix for MALLOC_ALIGN_MASK tests.
  - From: Peter Bergner
- Re: [PATCH] malloc.c fix for MALLOC_ALIGN_MASK tests.
  - From: Ulrich Drepper
- Re: [PATCH] malloc.c fix for MALLOC_ALIGN_MASK tests.
  - From: Peter Bergner

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