Messages in this thread | | | Date | Thu, 18 Aug 2022 10:25:25 +0800 | Subject | Re: [PATCH v8] mm/page_owner.c: add llseek for page_owner | From | Kassey Li <> |
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On 8/18/2022 12:13 AM, Andrew Morton wrote: > On Tue, 16 Aug 2022 10:07:48 +0800 Kassey Li <quic_yingangl@quicinc.com> wrote: > >> There is usage to dump a given cma region page_owner >> instead of all page's. > > So... dump all the pages and then parse out the ones you're interested in? > > Presumably this is too slow and presumably you have a use case in which > this operation needs speeding up? If so, please fully describe all of > this in the changelog. If not then please fully still describe the > reasons for making this change. > that is correct, I will update the change log for detail make it easy to know why we need this change.
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