mm: fix outdated incorrect code comments for handle_mm_fault()
authorJinliang Zheng <alexjlzheng@gmail.com>
Fri, 13 Dec 2024 03:18:20 +0000 (11:18 +0800)
committerAndrew Morton <akpm@linux-foundation.org>
Sun, 26 Jan 2025 04:22:18 +0000 (20:22 -0800)
[akpm@linux-foundation.org: s/mmap_Lock/mmap_lock/, per Liam]
Link: https://lkml.kernel.org/r/20241213031820.778342-1-alexjlzheng@tencent.com
Signed-off-by: Jinliang Zheng <alexjlzheng@tencent.com>
Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/memory.c

index 2d97a17..90bda3d 100644 (file)
@@ -6140,7 +6140,8 @@ static vm_fault_t sanitize_fault_flags(struct vm_area_struct *vma,
 }
 
 /*
- * By the time we get here, we already hold the mm semaphore
+ * By the time we get here, we already hold either the VMA lock or the
+ * mmap_lock (FAULT_FLAG_VMA_LOCK tells you which).
  *
  * The mmap_lock may have been released depending on flags and our
  * return value.  See filemap_fault() and __folio_lock_or_retry().