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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 On 8/4/26 15:52, Christoph Hellwig wrote: > On Mon, Aug 03, 2026 at 02:16:33PM +0200, David Hildenbrand (Arm) wrote: >>> +EXPORT_SYMBOL(__vmf_insert_pfn_prot); >> >> If this becomes a dedicated symbol, why not GPL? > > Yes, no way we'd not export low-level bits like this as non-GPL.. David requested to turn the simpler functions such as vmf_insert_pfn() from separate exports to static inlines. For the v2 that I have just posted, that's what I did. I can either use EXPORT_SYMBOL_GPL() or switch to inlines, but not both because functions like vmf_insert_pfn() are currently EXPORT_SYMBOL(). Also, this function specifically is basically the same as vmf_insert_pfn_prot(), which is already exported as non GPL, but there's really no logic at all as to what is EXPORT_SYMBOL() and what is EXPORT_SYMBOL_GPL(). vmf_insert_pfn_prot() mucks with pgprot_t and is much lower level than vmf_insert_page_mkwrite()... but it's the latter that is GPL. Paolo