Displaying 1 result from an estimated 1 matches for "00mm9".
Did you mean:
00mm9c
2007 Apr 18
1
[PATCH 6/9] 00mm9 optimize ptep establish for pae.patch
The ptep_establish macro is only used on user-level PTEs, for P->P mapping
changes. Since these always happen under protection of the pagetable lock, the
strong synchronization of a 64-bit cmpxchg is not needed, in fact, not
even a lock prefix needs to be used. We can simply instead clear the P-bit,
followed by a normal set. The write ordering is still important to avoid the
possibility of