Riccardo Magliocchetti <[email protected]> wrote: > Hello, > > Il 25/12/2012 03:22, Eric Wong ha scritto: > > Any other (Free Software) applications that might benefit from > > lower FADV_WILLNEED latency? > > Not with fadvise but with madvise. Libreoffice / Openoffice.org have > this comment: > > // On Linux, madvise(..., MADV_WILLNEED) appears to have the undesirable > // effect of not returning until the data has actually been paged in, so > // that its net effect would typically be to slow down the process > // (which could start processing at the beginning of the data while the > // OS simultaneously pages in the rest); on other platforms, it remains > // to be evaluated whether madvise or equivalent is available and > // actually useful: > > See: > http://cgit.freedesktop.org/libreoffice/core/tree/sal/osl/unx/file.cxx#n1213 > > May the same approach be extended to madvise MADV_WILLNEED?
Definitely yes, it should be easy. This project low-priority for me at the moment, if you or anybody else wants to take a stab at it, please do :) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
