Re: [PATCH v4 10/20] mm/rmap: track whether the page VMA mapped pgoff is anonymous
"David Hildenbrand (Arm)" <[email protected]>
| Newsgroups | org.kernel.vger.linux-fsdevel,org.freedesktop.lists.amd-gfx,org.freedesktop.lists.dri-devel,org.freedesktop.lists.intel-xe,org.kernel.vger.kvm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest,org.kernel.vger.linux-perf-users,org.kernel.vger.linux-s390,org.kernel.vger.linux-trace-kernel,org.kvack.linux-mm |
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| Message-ID | <[email protected]> |
On 8/6/26 22:21, Lorenzo Stoakes (ARM) wrote: > Update the page_vma_mapped_walk structure to track whether the pgoff being > tracked is an anonymous pgoff or not and update the comments to reflect > this. > > This is necessary in order to determine the correct VMA page > offset in vma_address_end() when pvmw->nr_pages > 1. > > Also document that pvmw->pgoff is meaningless for pvmw->nr_pages == 1 and > for KSM. > > Do not set this field where pgoff is not specified. > > This is laying the groundwork for eventually using anonymous page offsets > as the index for all anonymous folios. > > No functional change intended. > > Signed-off-by: Lorenzo Stoakes (ARM) <[email protected]> Acked-by: David Hildenbrand (Arm) <[email protected]> -- Cheers, David