Re: [RFC 07/11] mm/memremap: Add folio_split support

2025-07-09 Thread Balbir Singh
On 7/9/25 00:31, David Hildenbrand wrote: > On 06.03.25 05:42, Balbir Singh wrote: >> When a zone device page is split (via huge pmd folio split). The >> driver callback for folio_split is invoked to let the device driver >> know that the folio size has been split into a smaller order. >> >> The HM

Re: [RFC 07/11] mm/memremap: Add folio_split support

2025-07-08 Thread David Hildenbrand
On 06.03.25 05:42, Balbir Singh wrote: When a zone device page is split (via huge pmd folio split). The driver callback for folio_split is invoked to let the device driver know that the folio size has been split into a smaller order. The HMM test driver has been updated to handle the split, sinc

Re: [RFC 07/11] mm/memremap: Add folio_split support

2025-03-09 Thread Mika Penttilä
Hi, On 3/6/25 06:42, Balbir Singh wrote: > When a zone device page is split (via huge pmd folio split). The > driver callback for folio_split is invoked to let the device driver > know that the folio size has been split into a smaller order. > > The HMM test driver has been updated to handle the s

Re: [RFC 07/11] mm/memremap: Add folio_split support

2025-03-06 Thread Alistair Popple
On Thu, Mar 06, 2025 at 03:42:35PM +1100, Balbir Singh wrote: > When a zone device page is split (via huge pmd folio split). The > driver callback for folio_split is invoked to let the device driver > know that the folio size has been split into a smaller order. > > The HMM test driver has been up

Re: [RFC 07/11] mm/memremap: Add folio_split support

2025-03-06 Thread Balbir Singh
On 3/6/25 19:16, Mika Penttilä wrote: > Hi, > > On 3/6/25 06:42, Balbir Singh wrote: >> When a zone device page is split (via huge pmd folio split). The >> driver callback for folio_split is invoked to let the device driver >> know that the folio size has been split into a smaller order. >> >> The