cvs commit: src/sys/amd64/amd64 uma_machdep.c src/sys/arm/arm vm_machdep.c src/sys/ia64/ia64 uma_machdep.c src/sys/powerpc/powerpc uma_machdep.c src/sys/sparc64/sparc64 vm_machdep.c src/sys/sun4v/sun4v vm_machdep.c

John Baldwin jhb at
Fri Oct 17 17:20:26 UTC 2008

On Saturday 15 September 2007 02:47:02 pm Alan Cox wrote:
> alc         2007-09-15 18:47:02 UTC
>   FreeBSD src repository
>   Modified files:
>     sys/amd64/amd64      uma_machdep.c 
>     sys/arm/arm          vm_machdep.c 
>     sys/ia64/ia64        uma_machdep.c 
>     sys/powerpc/powerpc  uma_machdep.c 
>     sys/sparc64/sparc64  vm_machdep.c 
>     sys/sun4v/sun4v      vm_machdep.c 
>   Log:
>   It has been observed on the mailing lists that the different categories
>   of pages don't sum to anywhere near the total number of pages on amd64.
>   This is for the most part because uma_small_alloc() pages have never been
>   counted as wired pages, like their kmem_malloc() brethren.  They should
>   be.  This changes fixes that.
>   It is no longer necessary for the page queues lock to be held to free
>   pages allocated by uma_small_alloc().  I removed the acquisition and
>   release of the page queues lock from uma_small_free() on amd64 and ia64
>   weeks ago.  This patch updates the other architectures that have
>   uma_small_alloc() and uma_small_free().
>   Approved by: re (kensmith)

I'd like to merge this to 6.x.  However, I'm not sure if the same is true 
about vm_page_free() not needing the vm_page_queues lock in 6.x, so figured 
I'd ask you about that first.

John Baldwin

More information about the cvs-src mailing list