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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 May 2025 07:47:45.7480 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 86310865-4967-4793-844e-08dd9904f0f9 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: AMS0EPF000001B4.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR08MB9867 On 22/05/25 12:43 pm, David Hildenbrand wrote: > >>> ... likely with a better function name, >> >> >> I want to be able to reuse the folio from vm_normal_folio(), and we also >> need >> >> nr_ptes to know how much to skip, so if there is no objection in passing >> int *nr_ptes, >> >> or struct folio **foliop to this new function, then I'll carry on with >> your suggestion :) > > Can you quickly prototype what you have in mind and paste it here? > Will make it easier :) if (prot_numa)     func(vma, addr, oldpte, &nr); struct folio *folio func(vma, addr, oldpte, int *nr) {     if (pte_protnone(oldpte))         *nr = 1, return NULL;     folio = vm_normal_folio();     if (!folio)         *nr =1, return NULL;     if the other skipping conditions happen, goto skip_batch, return folio and set *nr = batch     if (sysctl.....) { skip_batch:     *nr = mprotect_batch(); }     if (folio_use_access_time)....     return folio; }