Messages in this thread | | | Date | Fri, 29 Apr 2005 22:02:40 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH 3/3] Page Fault Scalability V20: Avoid lock for anonymous write fault |
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On Fri, Apr 29, 2005 at 12:59:17PM -0700, Christoph Lameter wrote: > Do not use the page_table_lock in do_anonymous_page. This will significantly > increase the parallelism in the page fault handler for SMP systems. The patch > also modifies the definitions of _mm_counter functions so that rss and anon_rss > become atomic (and will use atomic64_t if available).
I thought we said all architectures should provide an atomic64_t (and given that it's not actually 64bit on 32bit architecture we should probably rename it to atomic_long_t)
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