[PATCH] locking comment on do_wp_page()

From: Hugh Dickins (hugh@veritas.com)
Date: Thu Jul 12 2001 - 10:48:31 EST


Comment on locking in do_wp_page() is out of date: copy do_swap_page().

Hugh

--- linux-2.4.7-pre6/mm/memory.c Wed Jul 11 11:23:29 2001
+++ linux/mm/memory.c Thu Jul 12 16:24:55 2001
@@ -888,8 +888,7 @@
  * change only once the write actually happens. This avoids a few races,
  * and potentially makes it more efficient.
  *
- * We enter with the page table read-lock held, and need to exit without
- * it.
+ * We hold the mm semaphore and the page_table_lock on entry and exit.
  */
 static int do_wp_page(struct mm_struct *mm, struct vm_area_struct * vma,
         unsigned long address, pte_t *page_table, pte_t pte)

-
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This archive was generated by hypermail 2b29 : Sun Jul 15 2001 - 21:00:17 EST