return rc;
}
-/*
- * gcc 4.7 and 4.8 on arm get an ICEs when inlining unmap_and_move(). Work
- * around it.
- */
-#if defined(CONFIG_ARM) && \
- defined(GCC_VERSION) && GCC_VERSION < 40900 && GCC_VERSION >= 40700
-#define ICE_noinline noinline
-#else
-#define ICE_noinline
-#endif
-
/*
* Obtain the lock on page, remove all ptes and migrate the page
* to the newly allocated page in newpage.
*/
-static ICE_noinline int unmap_and_move(new_page_t get_new_page,
+static int unmap_and_move(new_page_t get_new_page,
free_page_t put_new_page,
unsigned long private, struct page *page,
int force, enum migrate_mode mode,
goto next;
page = device_private_entry_to_page(entry);
- if (page->pgmap->owner != migrate->src_owner)
+ if (!(migrate->flags &
+ MIGRATE_VMA_SELECT_DEVICE_PRIVATE) ||
+ page->pgmap->owner != migrate->pgmap_owner)
goto next;
mpfn = migrate_pfn(page_to_pfn(page)) |
if (is_write_device_private_entry(entry))
mpfn |= MIGRATE_PFN_WRITE;
} else {
- if (migrate->src_owner)
+ if (!(migrate->flags & MIGRATE_VMA_SELECT_SYSTEM))
goto next;
pfn = pte_pfn(pte);
if (is_zero_pfn(pfn)) {
{
struct mmu_notifier_range range;
- mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, NULL,
- migrate->vma->vm_mm, migrate->start, migrate->end);
+ /*
+ * Note that the pgmap_owner is passed to the mmu notifier callback so
+ * that the registered device driver can skip invalidating device
+ * private page mappings that won't be migrated.
+ */
+ mmu_notifier_range_init_migrate(&range, 0, migrate->vma,
+ migrate->vma->vm_mm, migrate->start, migrate->end,
+ migrate->pgmap_owner);
mmu_notifier_invalidate_range_start(&range);
walk_page_range(migrate->vma->vm_mm, migrate->start, migrate->end,