On Thu, Feb 04, 2016 at 11:43:37AM -0800, Laura Abbott wrote: > > With CONFIG_DEBUG_PAGEALLOC, pages do not have the valid bit > set when free in the buddy allocator. Add an indiciation to > the page table dumping code that the valid bit is not set, > 'F' for fault, to make this easier to understand. > > Signed-off-by: Laura Abbott <[email protected]>
This looks sensible to me, and worked in testing. Reviewed-by: Mark Rutland <[email protected]> Tested-by: Mark Rutland <[email protected]> Mark. > --- > arch/arm64/mm/dump.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c > index 5a22a11..f381ac9 100644 > --- a/arch/arm64/mm/dump.c > +++ b/arch/arm64/mm/dump.c > @@ -90,6 +90,11 @@ struct prot_bits { > > static const struct prot_bits pte_bits[] = { > { > + .mask = PTE_VALID, > + .val = PTE_VALID, > + .set = " ", > + .clear = "F", > + }, { > .mask = PTE_USER, > .val = PTE_USER, > .set = "USR", > -- > 2.5.0 >
