RE: [PATCH] mm: fix hugetlb page unmap count balance issue

2023-06-19 Thread Kasireddy, Vivek
Hi Gerd, > > On Mon, May 15, 2023 at 10:04:42AM -0700, Mike Kravetz wrote: > > On 05/12/23 16:29, Mike Kravetz wrote: > > > On 05/12/23 14:26, James Houghton wrote: > > > > On Fri, May 12, 2023 at 12:20 AM Junxiao Chang > wrote: > > > > > > > > This alone doesn't fix mapcounting for PTE-mapped H

Re: [PATCH] mm: fix hugetlb page unmap count balance issue

2023-06-19 Thread Gerd Hoffmann
On Mon, May 15, 2023 at 10:04:42AM -0700, Mike Kravetz wrote: > On 05/12/23 16:29, Mike Kravetz wrote: > > On 05/12/23 14:26, James Houghton wrote: > > > On Fri, May 12, 2023 at 12:20 AM Junxiao Chang > > > wrote: > > > > > > This alone doesn't fix mapcounting for PTE-mapped HugeTLB pages. You >

Re: [PATCH] mm: fix hugetlb page unmap count balance issue

2023-06-08 Thread Greg Kroah-Hartman
On Wed, Jun 07, 2023 at 02:00:01PM -0700, Andrew Morton wrote: > On Wed, 7 Jun 2023 13:53:10 -0700 Mike Kravetz > wrote: > > > > > > > BUGs aren't good. Can we please find a way to push this along? > > > > > > Have we heard anything from any udmabuf people? > > > > > > > I have not heard an

Re: [PATCH] mm: fix hugetlb page unmap count balance issue

2023-06-08 Thread Mike Kravetz
On 06/07/23 12:03, Andrew Morton wrote: > On Tue, 16 May 2023 15:34:40 -0700 Mike Kravetz > wrote: > > > On 05/15/23 10:04, Mike Kravetz wrote: > > > On 05/12/23 16:29, Mike Kravetz wrote: > > > > On 05/12/23 14:26, James Houghton wrote: > > > > > On Fri, May 12, 2023 at 12:20 AM Junxiao Chang

Re: [PATCH] mm: fix hugetlb page unmap count balance issue

2023-06-08 Thread Mike Kravetz
On 06/07/23 14:00, Andrew Morton wrote: > On Wed, 7 Jun 2023 13:53:10 -0700 Mike Kravetz > wrote: > > > > > > > BUGs aren't good. Can we please find a way to push this along? > > > > > > Have we heard anything from any udmabuf people? > > > > > > > I have not heard anything. When this issu

Re: [PATCH] mm: fix hugetlb page unmap count balance issue

2023-06-07 Thread Andrew Morton
On Wed, 7 Jun 2023 13:53:10 -0700 Mike Kravetz wrote: > > > > BUGs aren't good. Can we please find a way to push this along? > > > > Have we heard anything from any udmabuf people? > > > > I have not heard anything. When this issue popped up, it took me by surprise. > > udmabuf maintainer

Re: [PATCH] mm: fix hugetlb page unmap count balance issue

2023-06-07 Thread David Hildenbrand
On 17.05.23 00:34, Mike Kravetz wrote: On 05/15/23 10:04, Mike Kravetz wrote: On 05/12/23 16:29, Mike Kravetz wrote: On 05/12/23 14:26, James Houghton wrote: On Fri, May 12, 2023 at 12:20 AM Junxiao Chang wrote: This alone doesn't fix mapcounting for PTE-mapped HugeTLB pages. You need someth

Re: [PATCH] mm: fix hugetlb page unmap count balance issue

2023-06-07 Thread Andrew Morton
On Tue, 16 May 2023 15:34:40 -0700 Mike Kravetz wrote: > On 05/15/23 10:04, Mike Kravetz wrote: > > On 05/12/23 16:29, Mike Kravetz wrote: > > > On 05/12/23 14:26, James Houghton wrote: > > > > On Fri, May 12, 2023 at 12:20 AM Junxiao Chang > > > > wrote: > > > > > > > > This alone doesn't fix

Re: [PATCH] mm: fix hugetlb page unmap count balance issue

2023-05-17 Thread Mike Kravetz
On 05/15/23 10:04, Mike Kravetz wrote: > On 05/12/23 16:29, Mike Kravetz wrote: > > On 05/12/23 14:26, James Houghton wrote: > > > On Fri, May 12, 2023 at 12:20 AM Junxiao Chang > > > wrote: > > > > > > This alone doesn't fix mapcounting for PTE-mapped HugeTLB pages. You > > > need something lik

Re: [PATCH] mm: fix hugetlb page unmap count balance issue

2023-05-16 Thread Mike Kravetz
On 05/12/23 16:29, Mike Kravetz wrote: > On 05/12/23 14:26, James Houghton wrote: > > On Fri, May 12, 2023 at 12:20 AM Junxiao Chang > > wrote: > > > > This alone doesn't fix mapcounting for PTE-mapped HugeTLB pages. You > > need something like [1]. I can resend it if that's what we should be >