Re: [RFC] mm: support multi_freearea to the reduction of external fragmentation

2021-04-16 Thread Vlastimil Babka
On 4/14/21 4:38 AM, lipeif...@oppo.com wrote: > From: lipeifeng > > This patch would "sort" the free-pages in buddy by pages-PFN to concentrate > low-order-pages allocation in the front area of memory and high-order-pages > allcation on the contrary so that few memory-pollution in the back area

[RFC] mm: support multi_freearea to the reduction of external fragmentation

2021-04-13 Thread lipeifeng
From: lipeifeng This patch would "sort" the free-pages in buddy by pages-PFN to concentrate low-order-pages allocation in the front area of memory and high-order-pages allcation on the contrary so that few memory-pollution in the back area of memory and the probablity of high-order-pages