On Fri, 2007-07-20 at 12:26 +0200, Peter Zijlstra wrote: > On Fri, 2007-07-20 at 18:07 +0800, Fengguang Wu wrote: > > plain text document attachment (short-rasize.patch) > > Use 'unsigned int' instead of 'unsigned long' for the readahead > > indexes/sizes. > > > > This helps reduce memory consumption on 64bit CPU when > > a lot of files are opened. > > > > Note that the (smaller) 32bit index can support up to 16PB file. > > Which should be sufficient large at least for now. > > Perhaps merge prev_offset and prev_index into a pgoff_t prev? That > should give the same savings on 64bit and be more correct on 32bit.
s/pgoff_t/loff_t/ (and how come lkml was not on the CC list?) - 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/