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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, Apr 25, 2025 at 10:17:15AM +0200, David Hildenbrand wrote: > track_pfn() does not exist, let's simply refer to it as "pfnmap > tracking". > > Signed-off-by: David Hildenbrand LGTM, so: Reviewed-by: Lorenzo Stoakes > --- > mm/io-mapping.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/io-mapping.c b/mm/io-mapping.c > index 01b3627999304..7266441ad0834 100644 > --- a/mm/io-mapping.c > +++ b/mm/io-mapping.c > @@ -21,7 +21,7 @@ int io_mapping_map_user(struct io_mapping *iomap, struct vm_area_struct *vma, > if (WARN_ON_ONCE((vma->vm_flags & expected_flags) != expected_flags)) > return -EINVAL; > > - /* We rely on prevalidation of the io-mapping to skip track_pfn(). */ > + /* We rely on prevalidation of the io-mapping to skip pfnmap tracking. */ > return remap_pfn_range_notrack(vma, addr, pfn, size, > __pgprot((pgprot_val(iomap->prot) & _PAGE_CACHE_MASK) | > (pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK))); > -- > 2.49.0 > However this doesn't apply after commit b8d8f1830bab ("mm/io-mapping: precompute remap protection flags for clarity"), so will need a rebase :) seems this was cleaned up to separate the __pgprot() bit from the remap_pfn_range_notrack(). Note of course this commit hash is from mm-new so quite changeable... :)