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Diffstat (limited to 'kernel/memremap.c')
-rw-r--r--kernel/memremap.c13
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) {