Re: [PATCH] mm/page_isolation: do not isolate the max order page

2020-12-03 Thread David Hildenbrand
On 03.12.20 18:48, David Hildenbrand wrote: > On 03.12.20 18:15, Vlastimil Babka wrote: >> On 12/3/20 5:26 PM, David Hildenbrand wrote: >>> On 03.12.20 01:03, Vlastimil Babka wrote: On 12/2/20 1:21 PM, Muchun Song wrote: > The max order page has no buddy page and never merge to other order

Re: [PATCH] mm/page_isolation: do not isolate the max order page

2020-12-03 Thread David Hildenbrand
On 03.12.20 18:15, Vlastimil Babka wrote: > On 12/3/20 5:26 PM, David Hildenbrand wrote: >> On 03.12.20 01:03, Vlastimil Babka wrote: >>> On 12/2/20 1:21 PM, Muchun Song wrote: The max order page has no buddy page and never merge to other order. So isolating and then freeing it is pointle

Re: [PATCH] mm/page_isolation: do not isolate the max order page

2020-12-03 Thread Vlastimil Babka
On 12/3/20 5:26 PM, David Hildenbrand wrote: > On 03.12.20 01:03, Vlastimil Babka wrote: >> On 12/2/20 1:21 PM, Muchun Song wrote: >>> The max order page has no buddy page and never merge to other order. >>> So isolating and then freeing it is pointless. >>> >>> Signed-off-by: Muchun Song >> >> A

Re: [PATCH] mm/page_isolation: do not isolate the max order page

2020-12-03 Thread David Hildenbrand
On 02.12.20 13:21, Muchun Song wrote: > The max order page has no buddy page and never merge to other order. > So isolating and then freeing it is pointless. > > Signed-off-by: Muchun Song > --- > mm/page_isolation.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/pa

Re: [PATCH] mm/page_isolation: do not isolate the max order page

2020-12-03 Thread David Hildenbrand
On 03.12.20 01:03, Vlastimil Babka wrote: > On 12/2/20 1:21 PM, Muchun Song wrote: >> The max order page has no buddy page and never merge to other order. >> So isolating and then freeing it is pointless. >> >> Signed-off-by: Muchun Song > > Acked-by: Vlastimil Babka > >> --- >> mm/page_isolat

Re: [External] Re: [PATCH] mm/page_isolation: do not isolate the max order page

2020-12-03 Thread Vlastimil Babka
On 12/3/20 3:43 AM, Muchun Song wrote: > On Thu, Dec 3, 2020 at 8:03 AM Vlastimil Babka wrote: >> >> On 12/2/20 1:21 PM, Muchun Song wrote: >> > The max order page has no buddy page and never merge to other order. >> > So isolating and then freeing it is pointless. >> > >> > Signed-off-by: Muchun

Re: [External] Re: [PATCH] mm/page_isolation: do not isolate the max order page

2020-12-02 Thread Muchun Song
On Thu, Dec 3, 2020 at 8:03 AM Vlastimil Babka wrote: > > On 12/2/20 1:21 PM, Muchun Song wrote: > > The max order page has no buddy page and never merge to other order. > > So isolating and then freeing it is pointless. > > > > Signed-off-by: Muchun Song > > Acked-by: Vlastimil Babka > > > ---

Re: [PATCH] mm/page_isolation: do not isolate the max order page

2020-12-02 Thread Vlastimil Babka
On 12/2/20 1:21 PM, Muchun Song wrote: > The max order page has no buddy page and never merge to other order. > So isolating and then freeing it is pointless. > > Signed-off-by: Muchun Song Acked-by: Vlastimil Babka > --- > mm/page_isolation.c | 2 +- > 1 file changed, 1 insertion(+), 1 delet

[PATCH] mm/page_isolation: do not isolate the max order page

2020-12-02 Thread Muchun Song
The max order page has no buddy page and never merge to other order. So isolating and then freeing it is pointless. Signed-off-by: Muchun Song --- mm/page_isolation.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_isolation.c b/mm/page_isolation.c index a254e1f370a3.