Messages in this thread | | | Date | Mon, 01 Jul 2013 21:43:29 -0700 | From | Dave Hansen <> | Subject | Re: [RFC][PATCH] mm: madvise: MADV_POPULATE for quick pre-faulting |
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On 07/01/2013 07:37 PM, Zheng Liu wrote: > FWIW, it would be great if we can let MAP_POPULATE flag support shared > mappings because in our product system there has a lot of applications > that uses mmap(2) and then pre-faults this mapping. Currently these > applications need to pre-fault the mapping manually.
Are you sure it doesn't? From a cursory look at the code, it looked to me like it would populate anonymous and file-backed, but I didn't double-check experimentally.
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