* 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
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* 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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2004-03-03 21:35 ` Anton Blanchard
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