Michal Hocko <mho...@kernel.org> writes: > On Thu 21-09-17 09:33:10, Huang, Ying wrote: >> From: Huang Ying <ying.hu...@intel.com> >> >> This patch adds a new Kconfig option VMA_SWAP_READAHEAD and wraps VMA >> based swap readahead code inside #ifdef CONFIG_VMA_SWAP_READAHEAD/#endif. >> This is more friendly for tiny kernels. > > How (much)?
OK. I will measure it. >> And as pointed to by Minchan >> Kim, give people who want to disable the swap readahead an opportunity >> to notice the changes to the swap readahead algorithm and the >> corresponding knobs. > > Why would anyone want that? > > Please note that adding new config options make the already complicated > config space even more problematic so there should be a good reason to > add one. Please make sure your justification is clear on why this is > worth the future maintenance and configurability burden. Hi, Minchan, Could you give more information on this? Best Regards, Huang, Ying