On Sun, Apr 02, 2023 at 05:09:14PM +0800, 郭辉 wrote: > On 4/1/23 5:46 PM, Vlastimil Babka wrote: > > As the SLOB removal is on track and the SLAB removal is planned, I have > > realized - why should we stop there and not remove also SLUB? What's a > > slab allocator good for in 2023? The RAM sizes are getting larger and > > the modules cheaper [1]. The object constructor trick was perhaps > > interesting in 1994, but not with contemporary CPUs. So all the slab > > allocator does today is just adding an unnecessary layer of complexity > > over the page allocator. > > The slab allocator is very core and very important to the Linux kernel. > After the patch is merged into the mainline, it will have a very profound > impact on the development of the Linux kernel. https://en.wikipedia.org/wiki/April_Fools%27_Day