On Thu, Jan 14, 2021 at 7:52 PM Oscar Salvador wrote:
>
> On Thu, Jan 14, 2021 at 06:54:30PM +0800, Muchun Song wrote:
> > I think this approach may be only suitable for generic huge page only.
> > So we can implement it only for huge page.
> >
> > Hi Oscar,
> >
> > What's your opinion about
On Thu, Jan 14, 2021 at 06:54:30PM +0800, Muchun Song wrote:
> I think this approach may be only suitable for generic huge page only.
> So we can implement it only for huge page.
>
> Hi Oscar,
>
> What's your opinion about this?
I tried something like:
static void vmemmap_pte_range(pmd_t *pmd,
On Tue, Jan 12, 2021 at 4:05 PM Oscar Salvador wrote:
>
> On Wed, Jan 06, 2021 at 10:19:22PM +0800, Muchun Song wrote:
> > Every HugeTLB has more than one struct page structure. We __know__ that
> > we only use the first 4(HUGETLB_CGROUP_MIN_ORDER) struct page structures
> > to store metadata
On Thu, Jan 14, 2021 at 7:27 AM Mike Kravetz wrote:
>
> On 1/13/21 1:20 AM, Oscar Salvador wrote:
> > On Tue, Jan 12, 2021 at 07:33:33PM +0800, Muchun Song wrote:
> >>> It seems a bit odd to only pass "start" for the BUG_ON.
> >>> Also, I kind of dislike the "addr += PAGE_SIZE" in
On 1/13/21 1:20 AM, Oscar Salvador wrote:
> On Tue, Jan 12, 2021 at 07:33:33PM +0800, Muchun Song wrote:
>>> It seems a bit odd to only pass "start" for the BUG_ON.
>>> Also, I kind of dislike the "addr += PAGE_SIZE" in vmemmap_pte_range.
>>>
>>> I wonder if adding a ".remap_start_addr" would make
On Tue, Jan 12, 2021 at 07:33:33PM +0800, Muchun Song wrote:
> > It seems a bit odd to only pass "start" for the BUG_ON.
> > Also, I kind of dislike the "addr += PAGE_SIZE" in vmemmap_pte_range.
> >
> > I wonder if adding a ".remap_start_addr" would make more sense.
> > And adding it here with the
On Tue, Jan 12, 2021 at 4:05 PM Oscar Salvador wrote:
>
> On Wed, Jan 06, 2021 at 10:19:22PM +0800, Muchun Song wrote:
> > Every HugeTLB has more than one struct page structure. We __know__ that
> > we only use the first 4(HUGETLB_CGROUP_MIN_ORDER) struct page structures
> > to store metadata
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