[RESEND RFC 2/3] mm: remain migratetype in freed page

2012-07-22 Thread Minchan Kim
Page allocator doesn't keep migratetype information to page when the page is freed. This patch remains the information to freed page's index field which isn't used by free/alloc preparing so it shouldn't change any behavir except below one. This patch adds a new call site in __free_pages_ok so it

[RESEND RFC 2/3] mm: remain migratetype in freed page

2012-07-22 Thread Minchan Kim
Page allocator doesn't keep migratetype information to page when the page is freed. This patch remains the information to freed page's index field which isn't used by free/alloc preparing so it shouldn't change any behavir except below one. This patch adds a new call site in __free_pages_ok so it