On Fri, Mar 31, 2023 at 05:08:25PM +0100, David Howells wrote: > Make the page_frag_cache allocator have a separate allocation bucket for > each cpu to avoid racing. This means that no lock is required, other than > preempt disablement, to allocate from it, though if a softirq wants to > access it, then softirq disablement will need to be added. Can you split this into a separte series? Right now I only see this patch in mbox and miss the context on why wed want this. > Make the NVMe and mediatek drivers pass in NULL to page_frag_cache() and > use the default allocation buckets rather than defining their own. Can you explain why?
