[LV-kern-commit] CVS: kernel-2.4/include/asm-vax/mm pagelet_pmd.h,1.1,1.2

[Dave A. <ai...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/include/asm-vax/mm
In directory usw-pr-cvs1:/tmp/cvs-serv20152/include/asm-vax/mm

Modified Files:
	pagelet_pmd.h 
Log Message:
DA: remove clear from pmd_clear .. make it a nop...
reasons given in comment


Index: pagelet_pmd.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/asm-vax/mm/pagelet_pmd.h,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- pagelet_pmd.h	2001/02/15 01:17:23	1.1
+++ pagelet_pmd.h	2001/06/17 12:34:05	1.2
@@ -40,9 +40,14 @@
 extern inline int pmd_bad(pmd_t pmd)            { return (pmd_val(pmd) == 0); }
 extern inline int pmd_present(pmd_t pmd)        { return (pmd_val(pmd) != 0); }
 /* This is just zeroing out the base and length registers */ 
+/* FIXME: or validate code - I removed the zero'ing of the pmd,
+   pmd are parts of pgds, and if we clear the br/lr of the P0 pmd,
+   the zeroth member of pgd, we lose the vmalloc address so can't
+   do vfree. - D.A. June 2001
+*/
 extern inline void pmd_clear(pmd_t * pmdp)      {
-                                                        pmd_val(pmdp[0]) = 0;
-                                                        pmd_val(pmdp[1]) = 0;
+  /*   pmd_val(pmdp[0]) = 0;
+       pmd_val(pmdp[1]) = 0;*/
                                                 }