On Fri, Jan 24, 2025 at 12:47:59PM +0100, Peter Zijlstra wrote:
> Right, so I don't think Sparc and Power care to use ptdesc, they're
> using non page page-tables.
i think you mean s390, not sparc. all architectures _use_ ptdescs,
it's just that s390 and ppc use fractional ptdescs rather than an
On 2025/1/24 19:47, Peter Zijlstra wrote:
On Thu, Jan 23, 2025 at 09:26:13PM +0800, Qi Zheng wrote:
Hi all,
As suggested by Peter Zijlstra below [1], this series aims to remove
tlb_remove_page_ptdesc().
: Fundamentally tlb_remove_page() is about removing *pages* as from a PTE,
: there shoul
On Thu, Jan 23, 2025 at 09:26:13PM +0800, Qi Zheng wrote:
> Hi all,
>
> As suggested by Peter Zijlstra below [1], this series aims to remove
> tlb_remove_page_ptdesc().
>
> : Fundamentally tlb_remove_page() is about removing *pages* as from a PTE,
> : there should not be a page-table anywhere nea
Hi all,
As suggested by Peter Zijlstra below [1], this series aims to remove
tlb_remove_page_ptdesc().
: Fundamentally tlb_remove_page() is about removing *pages* as from a PTE,
: there should not be a page-table anywhere near here *ever*.
:
: Yes, some architectures use tlb_remove_page() for pag
