Document that pmemrange control data are protected by `uvm.fpageqlock'.

diff --git a/sys/uvm/uvm.h b/sys/uvm/uvm.h
index 1ed1e49..3078d2c 100644 (file)
--- a/sys/uvm/uvm.h
+++ b/sys/uvm/uvm.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uvm.h,v 1.71 2022/10/07 05:01:44 deraadt Exp $        */
+/*     $OpenBSD: uvm.h,v 1.72 2024/03/30 12:47:47 mpi Exp $    */
 /*     $NetBSD: uvm.h,v 1.24 2000/11/27 08:40:02 chs Exp $     */
 
 /*
@@ -47,6 +47,7 @@
  *
  *  Locks used to protect struct members in this file:
  *     Q       uvm.pageqlock
+ *     F       uvm.fpageqlock
  */
 struct uvm {
        /* vm_page related parameters */
@@ -58,7 +59,7 @@ struct uvm {
        struct mutex pageqlock;         /* [] lock for active/inactive page q */
        struct mutex fpageqlock;        /* [] lock for free page q  + pdaemon */
        boolean_t page_init_done;       /* TRUE if uvm_page_init() finished */
-       struct uvm_pmr_control pmr_control; /* pmemrange data */
+       struct uvm_pmr_control pmr_control; /* [F] pmemrange data */
 
                /* page daemon trigger */
        int pagedaemon;                 /* daemon sleeps on this */