Messages in this thread | | | Date | Thu, 3 Mar 2005 08:54:35 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: Page fault scalability patch V18: Drop first acquisition of ptl |
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On Wed, 2 Mar 2005, Andrew Morton wrote:
> > This is not relevant since it only deals with file pages. > > OK. And CONFIG_DEBUG_PAGEALLOC?
Its a debug feature that can be fixed if its broken.
> > ptes are only > > installed atomically for anonymous memory (if CONFIG_ATOMIC_OPS > > is defined). > > It's a shame. A *nice* solution to this problem would address all pte ops > and wouldn't have such special cases...
Yeah. See my mmu abstraction proposal. This is a solution until we can address the bigger issues. After that has been worked out the start/stop become begin/end transaction and the pte_cmpxchg are converted into mmu_add/mmu_change/mmu_commit - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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