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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 8 Sep 2009 15:31:23 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/arm/arm vm_machdep.c src/sys/kern kern_fork.c
 kern_kthread.c kern_proc.c kern_thr.c kern_thread.c src/sys/sys
 proc.h src/sys/vm vm_extern.h vm_glue.c
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kib         2009-09-08 15:31:23 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/arm/arm          vm_machdep.c 
    sys/kern             kern_fork.c kern_kthread.c kern_proc.c 
                         kern_thr.c kern_thread.c 
    sys/sys              proc.h 
    sys/vm               vm_extern.h vm_glue.c 
  Log:
  SVN rev 196977 on 2009-09-08 15:31:23Z by kib
  
  MFC r196730:
  Remove the altkstacks, instead instantiate threads with kernel stack
  allocated with the right size from the start. For the thread that has
  kernel stack cached, verify that requested stack size is equial to the
  actual, and reallocate the stack if sizes differ.
  
  Introduce separate kernel stack cache that keeps some limited amount of
  preallocated kernel stacks to lower the latency of thread allocation.
  
  Not a merge: instead of removing td_altkstack* members of struct thread,
  replace them with placeholders to keep struct thread layout on the
  stable branch.
  
  Also, record r196640, r196644 and r196648 as merged.
  
  Approved by:    re (kensmith)
  
  Revision   Changes    Path
  1.40.2.2   +0 -3      src/sys/arm/arm/vm_machdep.c
  1.306.2.2  +15 -10    src/sys/kern/kern_fork.c
  1.47.2.2   +1 -4      src/sys/kern/kern_kthread.c
  1.285.2.2  +0 -10     src/sys/kern/kern_proc.c
  1.75.2.2   +1 -1      src/sys/kern/kern_thr.c
  1.285.2.2  +13 -4     src/sys/kern/kern_thread.c
  1.535.2.2  +5 -4      src/sys/sys/proc.h
  1.86.2.2   +0 -2      src/sys/vm/vm_extern.h
  1.235.2.2  +95 -43    src/sys/vm/vm_glue.c