On Wed, 2013-12-11 at 16:50 +0800, Liu ping fan wrote: > > why ? , All the hash routines do check for _PAGE_PRESENT via access > > variable. > > > Going through __hash_page_4K(4k on 4k HW), I do not find such check. > Am I wrong? Or I will send out a patch to fix that.
We pass a bitmask of flags to check which are tested by doing an "andc" of the PTE on that mask and checking if anything is left... Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
