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> Kai, if you see that S4OS is slower, it is probably a bug > that have to be > fixed in swsusp. There does seem to be a problem with the rw_swap_page_sync routine. Perhaps not on Pavel's machine (:>), but I've experienced painfully slow suspends too. Performance was helped immensely by applying a concept that I'll credit Lyle Seaman for - unrolling rw_swap_page_sync and submitting all the IO for pages then looping again and waiting on each sync. I found with writing 7000 or so pages (a suspend from init S) that something gets triggered to force the sync about every 3900 pages anyway. Regards, Nigel - 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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