Re: [RFC PATCH v4 08/16] powerpc/8xx: Rework support for 8M pages using contiguous PTE entries

2024-05-29 Thread Christophe Leroy
Le 29/05/2024 à 10:02, Oscar Salvador a écrit : > [Vous ne recevez pas souvent de courriers de osalva...@suse.com. D?couvrez > pourquoi ceci est important ? https://aka.ms/LearnAboutSenderIdentification ] > > On Mon, May 27, 2024 at 03:30:06PM +0200, Christophe Leroy wrote: >> In order to fit

Re: [RFC PATCH v4 08/16] powerpc/8xx: Rework support for 8M pages using contiguous PTE entries

2024-05-29 Thread Oscar Salvador
On Mon, May 27, 2024 at 03:30:06PM +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 v4 08/16] powerpc/8xx: Rework support for 8M pages using contiguous PTE entries

2024-05-27 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