On Thu, 2018-09-20 at 18:09:42 UTC, "Aneesh Kumar K.V" wrote: > With this patch we use 0x8000000000000000UL (_PAGE_PRESENT) to indicate a > valid > pgd/pud/pmd entry. We also switch the p**_present() to look at this bit. > > With pmd_present, we have a special case. We need to make sure we consider a > pmd marked invalid during THP split as present. Right now we clear the > _PAGE_PRESENT bit during a pmdp_invalidate. Inorder to consider this special > case we add a new pte bit _PAGE_INVALID (mapped to _RPAGE_SW0). This bit is > only used with _PAGE_PRESENT cleared. Hence we are not really losing a pte bit > for this special case. pmd_present is also updated to look at _PAGE_INVALID. > > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
Series applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/da7ad366b497f5fc1d4a416f168057 cheers
