Messages in this thread | | | Date | Sat, 4 Jun 2022 16:08:40 +0100 | From | Matthew Wilcox <> | Subject | Re: [PATCH] proc: export page young and skip_kasan_poison flag via kpageflags |
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On Sat, Jun 04, 2022 at 05:50:31PM +0800, Xin Hao wrote: > > On 6/3/22 2:28 AM, Matthew Wilcox wrote: > > On Thu, Jun 02, 2022 at 11:43:02PM +0800, Xin Hao wrote: > > > Now the young and skip_kasan_poison flag are supported in > > Why do we want userspace to know about whether skip_kasan_poison is set? > > That seems like a kernel-internal detail to me. > > the skip_kasan_poison also a page flags, we use page_types tool to display > them not only include user-internal, > > but also kernel-internal, add them, the page-types tool can more detail > display the kernel-internal page flags, > > just in case we don't miss some page flags when check the whole memory.
So you're just being completist? You don't have a reason to expose this information?
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