On Wed, Feb 24, 2021 at 11:47:49AM +0800, Muchun Song wrote:
> I have been looking at the dequeue_huge_page_node_exact().
> If a PageHWPoison huge page is in the free pool list, the page will
> not be allocated to the user. The PageHWPoison huge page
> will be skip in the
On Wed, Feb 24, 2021 at 6:32 AM Oscar Salvador wrote:
>
> On Tue, Feb 23, 2021 at 04:41:28PM +0100, Oscar Salvador wrote:
> > On Tue, Feb 23, 2021 at 11:50:05AM +0100, Oscar Salvador wrote:
> > > > CPU0: CPU1:
> > > >
> > > >
On Tue, Feb 23, 2021 at 04:41:28PM +0100, Oscar Salvador wrote:
> On Tue, Feb 23, 2021 at 11:50:05AM +0100, Oscar Salvador wrote:
> > > CPU0: CPU1:
> > > set_compound_page_dtor(HUGETLB_PAGE_DTOR);
> > > memory_failure_hugetlb
> > >
On Tue, Feb 23, 2021 at 11:50:05AM +0100, Oscar Salvador wrote:
> > CPU0: CPU1:
> > set_compound_page_dtor(HUGETLB_PAGE_DTOR);
> > memory_failure_hugetlb
> > get_hwpoison_page
> > __get_hwpoison_page
> > get_page_unless_zero
> >
On Tue, Feb 23, 2021 at 06:27:07PM +0800, Muchun Song wrote:
> > > > +
> > > > + if (alloc_huge_page_vmemmap(h, page)) {
> > > > + int zeroed;
> > > > +
> > > > + spin_lock(_lock);
> > > > + INIT_LIST_HEAD(>lru);
> > > > + set_compound_page_dtor(page,
On Tue, Feb 23, 2021 at 5:28 PM Oscar Salvador wrote:
>
> On Mon, Feb 22, 2021 at 04:00:27PM -0800, Mike Kravetz wrote:
> > > -static void update_and_free_page(struct hstate *h, struct page *page)
> > > +static int update_and_free_page(struct hstate *h, struct page *page)
> > > +
On Tue, Feb 23, 2021 at 8:01 AM Mike Kravetz wrote:
>
> On 2/19/21 2:49 AM, Muchun Song wrote:
> > When we free a HugeTLB page to the buddy allocator, we should allocate
> > the vmemmap pages associated with it. But we may cannot allocate vmemmap
> > pages when the system is under memory
On Mon, Feb 22, 2021 at 06:31:12PM +0800, Muchun Song wrote:
> On Mon, Feb 22, 2021 at 5:25 PM Michal Hocko wrote:
> >
> > On Sat 20-02-21 12:20:36, Muchun Song wrote:
> > > On Fri, Feb 19, 2021 at 10:12 PM Michal Hocko wrote:
> > [...]
> > > > What about hugetlb page poisoning on HW failure
On Mon, Feb 22, 2021 at 5:25 PM Michal Hocko wrote:
>
> On Sat 20-02-21 12:20:36, Muchun Song wrote:
> > On Fri, Feb 19, 2021 at 10:12 PM Michal Hocko wrote:
> [...]
> > > What about hugetlb page poisoning on HW failure (resp. soft offlining)?
> >
> > If the HW poisoned hugetlb page failed to be
On Sat 20-02-21 12:20:36, Muchun Song wrote:
> On Fri, Feb 19, 2021 at 10:12 PM Michal Hocko wrote:
[...]
> > What about hugetlb page poisoning on HW failure (resp. soft offlining)?
>
> If the HW poisoned hugetlb page failed to be dissolved, the page
> will go back to the free list with
On Fri, Feb 19, 2021 at 10:12 PM Michal Hocko wrote:
>
> On Fri 19-02-21 18:49:49, Muchun Song wrote:
> > When we free a HugeTLB page to the buddy allocator, we should allocate
> > the vmemmap pages associated with it. But we may cannot allocate vmemmap
> > pages when the system is under memory
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