Re: [PATCH v2 23/33] mm/vma: add and use vma_[add/sub]_pgoff()
Gregory Price <[email protected]>
| Newsgroups | dev.linux.lists.nvdimm,dev.linux.lists.damon,dev.linux.lists.iommu,org.freedesktop.lists.dri-devel,org.kernel.vger.kvm,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-parisc,org.kernel.vger.linux-perf-users,org.kernel.vger.linux-sgx,org.kernel.vger.linux-tegra,org.kernel.vger.linux-trace-kernel |
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| Message-ID | <alFheaAGWCIAjom-@gourry-fedora-PF4VCD3F> |
On Fri, Jul 10, 2026 at 09:17:04PM +0100, Lorenzo Stoakes wrote: > Add helpers for adding or subtracting to a VMA's page offset, exposed > internally for VMA users within mm in mm/vma.h. > > This is to lay the foundations for tracking anonymous page offset for > MAP_PRIVATE file-backed mappings, where adding and subtracting from this > value must be reflected in both the file and anonymous offsets. > > These are used on VMA split and downward stack expansion. > > No functional change intended. > > Reviewed-by: Pedro Falcato <[email protected]> > Signed-off-by: Lorenzo Stoakes <[email protected]> Carrying over from v1 Reviewed-by: Gregory Price <[email protected]>