内核版本3.18, 内存回收和内存分配连在一起的, 了解下:what is order in mm:mel gorman's book:the allocator maintains blocks of free pages where each block is a power of two number of pages. The exponent for the p...阅读全文
kswapd is a background pageout daemon,回收内存。唤醒的接口是 wake_all_kswapd/wakeup_kswapd,lets check./*
* This is the 'heart' of the zoned buddy allocator.
*/
struct page *
__alloc_pages_nodemask...阅读全文