Re: [PATCH v5] mm: Fix a hmm_range_fault() livelock / starvation problem

[Davidlohr Bueso]

On Tue, 10 Feb 2026, Thomas Hellstr�m wrote:

@@ -176,7 +176,7 @@ static int migrate_vma_collect_huge_pmd(pmd_t *pmdp, 
unsigned long start,
                }

                if (softleaf_is_migration(entry)) {
-                       migration_entry_wait_on_locked(entry, ptl);
+                       softleaf_entry_wait_on_locked(entry, ptl);
                        spin_unlock(ptl);

softleaf_entry_wait_on_locked() unconditionally drops the ptl.

                        return -EAGAIN;
                }