cvs commit: src/lib/libc/stdlib malloc.c

[Jason Evans]

jasone      2008-08-16 20:14:21 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    lib/libc/stdlib      malloc.c 
  Log:
  SVN rev 181788 on 2008-08-16 20:14:21Z by jasone
  
  MFC allocator improvements and fixes:
  
  * Enhance the chunk map to support run coalescing, and substantially reduce
    the number of red-black tree operations performed.
  
  * Remove unused code.
  
  * Fix arena_run_reg_dalloc() to use the entire precomputed division table.
  
  * Improve lock preemption performance for hyperthreaded CPUs.
  
  Revision   Changes    Path
  1.147.2.4  +339 -398  src/lib/libc/stdlib/malloc.c