Re: [RFC PATCH v3 08/16] powerpc/8xx: Rework support for 8M pages using contiguous PTE entries

2024-05-28 Thread Christophe Leroy
Le 27/05/2024 à 14:10, Oscar Salvador a écrit : > On Sun, May 26, 2024 at 11:22:28AM +0200, Christophe Leroy wrote: >> In order to fit better with standard Linux page tables layout, add >> support for 8M pages using contiguous PTE entries in a standard >> page table. Page tables will then be

Re: [RFC PATCH v3 08/16] powerpc/8xx: Rework support for 8M pages using contiguous PTE entries

2024-05-27 Thread Oscar Salvador
On Sun, May 26, 2024 at 11:22:28AM +0200, Christophe Leroy wrote: > In order to fit better with standard Linux page tables layout, add > support for 8M pages using contiguous PTE entries in a standard > page table. Page tables will then be populated with 1024 similar > entries and two PMD entries

[RFC PATCH v3 08/16] powerpc/8xx: Rework support for 8M pages using contiguous PTE entries

2024-05-26 Thread Christophe Leroy
In order to fit better with standard Linux page tables layout, add support for 8M pages using contiguous PTE entries in a standard page table. Page tables will then be populated with 1024 similar entries and two PMD entries will point to that page table. The PMD entries also get a flag to tell it