On Wed, Jan 14, 2026 at 07:07:37PM -0800, Matthew Brost wrote: > On Wed, Jan 14, 2026 at 07:01:54PM -0800, Andrew Morton wrote: > > On Wed, 14 Jan 2026 20:19:52 +0100 Francois Dugast > > <[email protected]> wrote: > > > > > From: Matthew Brost <[email protected]> > > > > > > Reinitialize metadata for large zone device private folios in > > > zone_device_page_init prior to creating a higher-order zone device > > > private folio. This step is necessary when the folio’s order changes > > > dynamically between zone_device_page_init calls to avoid building a > > > corrupt folio. As part of the metadata reinitialization, the dev_pagemap > > > must be passed in from the caller because the pgmap stored in the folio > > > page may have been overwritten with a compound head. > > > > > > --- a/drivers/gpu/drm/drm_pagemap.c > > > +++ b/drivers/gpu/drm/drm_pagemap.c > > > @@ -201,7 +201,7 @@ static void drm_pagemap_get_devmem_page(struct page > > > *page, > > > struct drm_pagemap_zdd *zdd) > > > { > > > page->zone_device_data = drm_pagemap_zdd_get(zdd); > > > - zone_device_page_init(page, 0); > > > + zone_device_page_init(page, zdd->dpagemap->pagemap, 0); > > > } > > > > drivers/gpu/drm/drm_pagemap.c:200:40: error: 'struct drm_pagemap_zdd' has > > no member named 'dpagemap' > > > > I guess this was accidentally fixed in a later patch? > > > > Ah, no. This is because we merged some in drm-tip which is not 6.19, > this is based on the drm-tip branch. > > > Please let's decide whether to fast-track the [1/N] fix into mainline > > and if so, prepare something which compiles! > > Maybe we just take this through the MM repo then? I suppose I should > send out patch which applies to the MM repo? I just cloned that repo. >
Sorry, typing to fast. I believe have a patch structure that applies to 6.19, MM branches, and drm-tip. Just need to run CI on 3 branches :). Matt > Matt
