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a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=Wb1JkmetP80A:10 a=GoEa3M9JfhUA:10 a=yPCof4ZbAAAA:8 a=0lDbGB91uY4eF4RusoQA:9 a=CjuIK1q_8ugA:10 a=zgiPjhLxNE0A:10 cc=ntf awl=host:13565 X-Proofpoint-ORIG-GUID: oKx9vZZ-izaWTGxRf7sNSchShreJXIVW X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzEwMDA3MiBTYWx0ZWRfX2gXpzzDnLSqh BW7ntdq4f/IFTnZN9ArhrfBJKNpWPhSs4PVL/XzK1b0OwDA7EJDYJ8Ai4Hdw/eP68y0BLTMyGXe Jglu8zmlp880dyKycf9g8HN9otKIfyW/bMIKFZknWztDV6VS+0Fp1uq6I0sgL7i1cYnIpE37aVg RWcy+V3ra0H9k8s2jvZ8iwLO6sH4yFZoC76HqVWwZigRkNYyeneSUfULmjNMVY0QdYuQ9LgAW1z pdrTIq8/LFml3aa54sUmsqy93atUi27kKnsgIpbKGuzSmHjFgErwHeSTI8Xjf3JlsGh1uUfOEtG Y/E//rSW36yXWmanGcB1vQqBZ2AjEkzMDwHtX9XCeQ0WaDco8ZIJ7KJRHvAnC5pF64i/RLIZrXE tfkBIBzoDgdmas9S/RuxlOJjTcKL4nfvzOVr+SMbJQYEmW5Hkpd/q3f9iLDMGyRUqvaEn5UA On Wed, Jul 09, 2025 at 02:13:59PM -0700, Andrew Morton wrote: > On Wed, 9 Jul 2025 22:16:56 +0900 Harry Yoo wrote: > > > Fixes: 4917f55b4ef9 ("mm/sparse-vmemmap: improve memory savings for compound devmaps") > > Fixes: faf1c0008a33 ("x86/vmemmap: optimize for consecutive sections in partial populated PMDs") > > Fortunately both of these appeared in 6.9-rc7, which minimizes the > problem with having more than one Fixes:. > > But still, the Fixes: is a pointer telling -stable maintainers where in > the kernel history we want them to insert the patch(es). Giving them > multiple insertions points is confusing! Can we narrow this down > to a single Fixes:? If I had to choose only one I think it should be 4917f55b4ef9, since faf1c0008a33 is not yet known to be triggered without enlarging struct page (and once it's backported it fixes both of them). Will update in the next version. -- Cheers, Harry / Hyeonggon