On Wed, Mar 07, 2007 at 09:04:53AM -0800, Michael Nishimoto wrote: > Incore log buffers are not always a power of two of the page size. > In particular, when xfs is running over software raid devices, the > log buffers are allocated to match the size of a stripe. > > However, they are always a multiple of PAGE_SIZE, so we are still safe.
It's not actually about beeing safe - any allocation is still safe with this patch. The issue is just that we waste memory because we round up allocations to the next page size. The power of two bit is actually wrong in this mail, it was about another optimization I have that needs some more testing first. - 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/