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Date:      Fri, 28 Dec 2007 07:24:20 +0000 (UTC)
From:      Jason Evans <jasone@FreeBSD.org>
To:        src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   cvs commit: src/lib/libc/stdlib malloc.c
Message-ID:  <200712280724.lBS7OKcF001948@repoman.freebsd.org>

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jasone      2007-12-28 07:24:20 UTC

  FreeBSD src repository

  Modified files:
    lib/libc/stdlib      malloc.c 
  Log:
  Maintain two trees instead of one (old_chunks --> old_chunks_{ad,szad}) in
  order to support re-use of multi-chunk unused regions within the DSS for
  huge allocations.  This generalization is important to correct function
  when mmap-based allocation is disabled.
  
  Avoid zeroing re-used memory in the DSS unless it really needs to be
  zeroed.
  
  Revision  Changes    Path
  1.157     +183 -113  src/lib/libc/stdlib/malloc.c



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