On 26 Aug 2019, at 19:25, Kevin Laatz wrote: > Currently, addresses are chunk size aligned. This means, we are very > restricted in terms of where we can place chunk within the umem. For > example, if we have a chunk size of 2k, then our chunks can only be placed > at 0,2k,4k,6k,8k... and so on (ie. every 2k starting from 0). > > This patch introduces the ability to use unaligned chunks. With these > changes, we are no longer bound to having to place chunks at a 2k (or > whatever your chunk size is) interval. Since we are no longer dealing with > aligned chunks, they can now cross page boundaries. Checks for page > contiguity have been added in order to keep track of which pages are > followed by a physically contiguous page. > > Signed-off-by: Kevin Laatz <kevin.laatz@xxxxxxxxx> > Signed-off-by: Ciara Loftus <ciara.loftus@xxxxxxxxx> > Signed-off-by: Bruce Richardson <bruce.richardson@xxxxxxxxx> Acked-by: Jonathan Lemon <jonathan.lemon@xxxxxxxxx>
