sys::man adding MADV_POPULATE_READ and MAP_POPULATE_WRITE.#2565
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More specialised than `MmapFlags::MAP_POPULATE`, another difference being it does not silently fail. - `MADV_POPULATE_READ` to pre-populate pages ahead of read accesses. - `MADV_POPULATE_WRITE` to pre-populate pages ahead of subsequent writes.
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More specialised than MmapFlags::MAP_POPULATE, another difference being it does not silently fail.
MADV_POPULATE_READto pre-populate pages ahead of read accesses.MADV_POPULATE_WRITEto pre-populate pages ahead of subsequent writes.