[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v1 1/9] mm: Separate free page chunk merging into its own routine
On Fri, Mar 24, 2017 at 01:04:56PM -0400, Boris Ostrovsky wrote: > This is needed for subsequent changes to memory scrubbing. No > logic change, only code re-factoring. > > Based on earlier patch by Bob Liu. > > Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> > --- > xen/common/page_alloc.c | 85 ++++++++++++++++++++++++++++------------------ > 1 files changed, 52 insertions(+), 33 deletions(-) > > diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c > index 42c20cb..7931903 100644 > --- a/xen/common/page_alloc.c > +++ b/xen/common/page_alloc.c > @@ -924,11 +924,61 @@ static int reserve_offlined_page(struct page_info *head) > return count; > } > > +static bool_t can_merge(struct page_info *buddy, unsigned int node, Plain bool please. > + unsigned int order) > +{ > + if ( !mfn_valid(_mfn(page_to_mfn(buddy))) || > + !page_state_is(buddy, free) || > + (PFN_ORDER(buddy) != order) || > + (phys_to_nid(page_to_maddr(buddy)) != node) ) > + return 0; > + > + return 1; True and false. Other than those: Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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