Al Boldi wrote: > Hugh Dickins wrote: >> On Wed, 2 May 2007, Phillip Susi wrote: >>> Hugh Dickins wrote: >>>> tmpfs doesn't store its stuff in the page cache twice: that's true, >>>> and I didn't mean to imply otherwise. But tmpfs doesn't contain any >>>> support for rom memory: you'd have to copy from rom to tmpfs to use >>>> it. >>> The question is, when you execute a binary on tmpfs, does its code >>> segment get mapped directly where it's at in the buffer cache, or does >>> it get copied to another page for the executing process? At least, >>> assuming this is possible due to the vma and file offsets of the segment >>> being aligned. >> Its pages are mapped directly into the executing process, without copying. > > Thank GOD! Boy, was I worried there for a second. > > Now, if there were only an easy way to make tmpfs persistent? > >
It would be not a tmpfs (*temporary* fs)then, but something like this http://pramfs.sourceforge.net/ Regards, Dmitry - 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/
