* Re: [PROPOSAL] switch atomic_t to long
[not found] ` <16446.58540.470071.388994@cargo.ozlabs.ibm.com>
@ 2004-02-29 0:44 ` Ivan Kokshaysky
0 siblings, 0 replies; 2+ messages in thread
From: Ivan Kokshaysky @ 2004-02-29 0:44 UTC (permalink / raw)
To: Paul Mackerras; +Cc: Matthew Wilcox, linux-arch
On Fri, Feb 27, 2004 at 05:33:16PM +1100, Paul Mackerras wrote:
> Note that you don't need both "count" and "waking" to do semaphores
> efficiently on architectures with load-locked/store-conditional; just
> a "count" is sufficient. Look at the ppc implementation (or the ppc64
> or sparc64 implementations, which follow it).
Indeed...
Thanks for pointing that out.
Ivan.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PROPOSAL] switch atomic_t to long
[not found] ` <20040226120012.55b652d2.akpm@osdl.org>
@ 2004-03-03 21:35 ` Anton Blanchard
0 siblings, 0 replies; 2+ messages in thread
From: Anton Blanchard @ 2004-03-03 21:35 UTC (permalink / raw)
To: Andrew Morton; +Cc: willy, linux-arch
> > vm_committed_space is in pages. 16TB of virtual space sounds rather a lot
> > to me but I'm a fogey.
>
> Make that 16TB of physmem+swap
There are 1TB machines today, 16TB wont be too many years off.
Anton
^ permalink raw reply [flat|nested] 2+ messages in thread
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2004-02-29 0:44 ` [PROPOSAL] switch atomic_t to long Ivan Kokshaysky
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