diff options
Diffstat (limited to 'kernel/memremap.c')
| -rw-r--r-- | kernel/memremap.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/kernel/memremap.c b/kernel/memremap.c index a856cb5ff192..1490e63f69a9 100644 --- a/kernel/memremap.c +++ b/kernel/memremap.c @@ -45,7 +45,6 @@ vm_fault_t device_private_entry_fault(struct vm_area_struct *vma, */ return devmem->page_fault(vma, addr, page, flags, pmdp); } -EXPORT_SYMBOL(device_private_entry_fault); #endif /* CONFIG_DEVICE_PRIVATE */ static void pgmap_array_delete(struct resource *res) @@ -148,6 +147,12 @@ void *devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap) &pgmap->altmap : NULL; struct resource *res = &pgmap->res; struct dev_pagemap *conflict_pgmap; + struct mhp_restrictions restrictions = { + /* + * We do not want any optional features only our own memmap + */ + .altmap = altmap, + }; pgprot_t pgprot = PAGE_KERNEL; int error, nid, is_ram; @@ -214,7 +219,7 @@ void *devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap) */ if (pgmap->type == MEMORY_DEVICE_PRIVATE) { error = add_pages(nid, align_start >> PAGE_SHIFT, - align_size >> PAGE_SHIFT, NULL, false); + align_size >> PAGE_SHIFT, &restrictions); } else { error = kasan_add_zero_shadow(__va(align_start), align_size); if (error) { @@ -222,8 +227,8 @@ void *devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap) goto err_kasan; } - error = arch_add_memory(nid, align_start, align_size, altmap, - false); + error = arch_add_memory(nid, align_start, align_size, + &restrictions); } if (!error) { |