> So, am I correct to assume that right text to add to the page is as below? > > Nick, can you clarify what you mean by "quiesced"? finished? > > [[ > O_DIRECT IOs should never be run concurrently with fork(2) system call, > when the memory buffer is anonymous memory, or comes from mmap(2) > with MAP_PRIVATE. > > Any such IOs, whether submitted with asynchronous IO interface or from > another thread in the process, should be quiesced before fork(2) is called. > Failure to do so can result in data corruption and undefined behavior in > parent and child processes. > > This restriction does not apply when the memory buffer for the O_DIRECT > IOs comes from mmap(2) with MAP_SHARED or from shmat(2). > Nor does this restriction apply when the memory buffer has been advised > as MADV_DONTFORK with madvise(2), ensuring that it will not be available > to the child after fork(2). > ]] I don't have good English and I can't make editorial check. But at least, I don't find any technical incorrect explanation here. Acked-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>