On Mon, Jan 18, 2021 at 03:26:41PM +0530, vji...@codeaurora.org wrote: > From: Yogesh Lal <y...@codeaurora.org> > > Use CONFIG_STACK_HASH_ORDER to configure STACK_HASH_SIZE. > > Aim is to have configurable value for STACK_HASH_SIZE, > so depend on use case one can configure it. > > One example is of Page Owner, default value of > STACK_HASH_SIZE lead stack depot to consume 8MB of static memory. > Making it configurable and use lower value helps to enable features like > CONFIG_PAGE_OWNER without any significant overhead.
The description could be improved to prevent confusing. CONFIG_PAGE_OWNER works only if page_owner=on via kernel parameter on CONFIG_PAGE_OWNER configured system. Thus, unless admin enable it via command line option, the stackdepot will just waste 8M memory without any customer. > > Signed-off-by: Yogesh Lal <y...@codeaurora.org> > Signed-off-by: Vinayak Menon <vinme...@codeaurora.org> > Signed-off-by: Vijayanand Jitta <vji...@codeaurora.org> Reviewed-by: Minchan Kim <minc...@kernel.org>
