Re: [PATCH 2/9] mm: make hw_pte_t visible to generic PTE interfaces

Muhammad Usama Anjum <[email protected]> Tue, 11 Aug 2026 12:27:24 +0100

Newsgroups	gmane.comp.freedesktop.xorg.drivers.intel,gmane.linux.kernel,gmane.comp.video.dri.devel,gmane.linux.ports.parisc,gmane.comp.emulators.xen.devel,gmane.linux.kernel.mm,gmane.linux.file-systems,gmane.linux.kernel.cross-arch,gmane.linux.kernel.bpf,gmane.linux.kernel.perf.user
Message-ID	<[email protected]>

On 11/08/2026 12:25 pm, Muhammad Usama Anjum wrote:
> On 11/08/2026 11:15 am, Anshuman Khandual wrote:
>> On Thu, Aug 06, 2026 at 09:38:40AM +0100, Muhammad Usama Anjum wrote:
>>> Later conversions use hw_pte_t in page-table checking, generic page-table
>>> helpers, and vmalloc interfaces. Include linux/pgtable_types.h from the
>>> headers that declare those interfaces before changing their types.
>>>
>>> For vmalloc.h, replace the direct asm/page.h include with
>>> linux/pgtable_types.h. The latter includes asm/page.h, so pgprot_t remains
>>> available. It also provides either the default alias or the opted-in
>>> hw_pte_t wrapper.
>>
>> Stand-alone header file updates are not ideal. Why cannot these changes be
>> folded in, where hw_pte_t gets used first time ever in the above mentioned
>> places.
> That's correct. This patch should be merged with the 3/9 patch. But that patch
> is already too much big as it was generated with the help of Coccinelle. So I
> kept it separate.
> 
> Do you still think we should merge it as its a special case?

Sorry, I wanted to mention merging this patch and 4/9 patch (instead of 3/9 patch) in
my previous email.

 
Thanks,
Usama