Messages in this thread | | | Date | Thu, 12 Nov 2020 14:56:49 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] lib: stackdepot: Add support to configure STACK_HASH_SIZE |
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On Thu, 12 Nov 2020 18:26:24 +0530 Vijayanand Jitta <vjitta@codeaurora.org> wrote:
> >> 1. page_owner=off, stackdepot_stack_hash=0 -> no more wasted memory > >> when we don't use page_owner > >> 2. page_owner=on, stackdepot_stack_hash=8M -> reasonable hash size > >> when we use page_owner. > >> > >> > > > > This idea looks fine to me. Andrew and others would like to hear your > > comments as well on this before implementing. > > > > Thanks, > > Vijay > > > > Awaiting for comments from Andrew and others.
I don't actually understand the problem.
What is it about page-owner that causes stackdepot to consume additional memory? As far as I can tell, sizeof(struct stack_record) isn't affected by page-owner?
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