Displaying 12 results from an estimated 12 matches for "put_hwpoison_page".
2016 Apr 04
2
[PATCH v3 01/16] mm: use put_page to free page instead of putback_lru_page
...> refcount is for get_any_page.
As the other callers of page migration do, soft_offline_page expects the
migration source page to be freed at this put_page() (no pin remains.)
The refcount released here is from isolate_lru_page() in __soft_offline_page().
(the pin by get_any_page is released by put_hwpoison_page just after it.)
.. yes, doing something just after freeing page looks weird, but that's
how PageHWPoison flag works. IOW, many other page flags are maintained
only during one "allocate-free" life span, but PageHWPoison still does
its job beyond it.
As for commenting, this put_page()...
2016 Apr 04
2
[PATCH v3 01/16] mm: use put_page to free page instead of putback_lru_page
...> refcount is for get_any_page.
As the other callers of page migration do, soft_offline_page expects the
migration source page to be freed at this put_page() (no pin remains.)
The refcount released here is from isolate_lru_page() in __soft_offline_page().
(the pin by get_any_page is released by put_hwpoison_page just after it.)
.. yes, doing something just after freeing page looks weird, but that's
how PageHWPoison flag works. IOW, many other page flags are maintained
only during one "allocate-free" life span, but PageHWPoison still does
its job beyond it.
As for commenting, this put_page()...
2016 Apr 05
2
[PATCH v3 01/16] mm: use put_page to free page instead of putback_lru_page
...> As the other callers of page migration do, soft_offline_page expects the
> > migration source page to be freed at this put_page() (no pin remains.)
> > The refcount released here is from isolate_lru_page() in __soft_offline_page().
> > (the pin by get_any_page is released by put_hwpoison_page just after it.)
> >
> > .. yes, doing something just after freeing page looks weird, but that's
> > how PageHWPoison flag works. IOW, many other page flags are maintained
> > only during one "allocate-free" life span, but PageHWPoison still does
> > its...
2016 Apr 05
2
[PATCH v3 01/16] mm: use put_page to free page instead of putback_lru_page
...> As the other callers of page migration do, soft_offline_page expects the
> > migration source page to be freed at this put_page() (no pin remains.)
> > The refcount released here is from isolate_lru_page() in __soft_offline_page().
> > (the pin by get_any_page is released by put_hwpoison_page just after it.)
> >
> > .. yes, doing something just after freeing page looks weird, but that's
> > how PageHWPoison flag works. IOW, many other page flags are maintained
> > only during one "allocate-free" life span, but PageHWPoison still does
> > its...
2016 Apr 04
0
[PATCH v3 01/16] mm: use put_page to free page instead of putback_lru_page
...any_page.
>
> As the other callers of page migration do, soft_offline_page expects the
> migration source page to be freed at this put_page() (no pin remains.)
> The refcount released here is from isolate_lru_page() in __soft_offline_page().
> (the pin by get_any_page is released by put_hwpoison_page just after it.)
>
> .. yes, doing something just after freeing page looks weird, but that's
> how PageHWPoison flag works. IOW, many other page flags are maintained
> only during one "allocate-free" life span, but PageHWPoison still does
> its job beyond it.
But what...
2016 Apr 04
1
mm/hwpoison: fix wrong num_poisoned_pages account
...any_page.
>
> As the other callers of page migration do, soft_offline_page expects the
> migration source page to be freed at this put_page() (no pin remains.)
> The refcount released here is from isolate_lru_page() in __soft_offline_page().
> (the pin by get_any_page is released by put_hwpoison_page just after it.)
>
> .. yes, doing something just after freeing page looks weird, but that's
> how PageHWPoison flag works. IOW, many other page flags are maintained
> only during one "allocate-free" life span, but PageHWPoison still does
> its job beyond it.
Got it. T...
2016 Apr 04
1
mm/hwpoison: fix wrong num_poisoned_pages account
...any_page.
>
> As the other callers of page migration do, soft_offline_page expects the
> migration source page to be freed at this put_page() (no pin remains.)
> The refcount released here is from isolate_lru_page() in __soft_offline_page().
> (the pin by get_any_page is released by put_hwpoison_page just after it.)
>
> .. yes, doing something just after freeing page looks weird, but that's
> how PageHWPoison flag works. IOW, many other page flags are maintained
> only during one "allocate-free" life span, but PageHWPoison still does
> its job beyond it.
Got it. T...
2016 Apr 05
0
[PATCH v3 01/16] mm: use put_page to free page instead of putback_lru_page
...the other callers of page migration do, soft_offline_page expects the
>>> migration source page to be freed at this put_page() (no pin remains.)
>>> The refcount released here is from isolate_lru_page() in __soft_offline_page().
>>> (the pin by get_any_page is released by put_hwpoison_page just after it.)
>>>
>>> .. yes, doing something just after freeing page looks weird, but that's
>>> how PageHWPoison flag works. IOW, many other page flags are maintained
>>> only during one "allocate-free" life span, but PageHWPoison still does
>...
2016 Apr 06
1
[PATCH v3 01/16] mm: use put_page to free page instead of putback_lru_page
...rs of page migration do, soft_offline_page expects the
> >>> migration source page to be freed at this put_page() (no pin remains.)
> >>> The refcount released here is from isolate_lru_page() in __soft_offline_page().
> >>> (the pin by get_any_page is released by put_hwpoison_page just after it.)
> >>>
> >>> .. yes, doing something just after freeing page looks weird, but that's
> >>> how PageHWPoison flag works. IOW, many other page flags are maintained
> >>> only during one "allocate-free" life span, but PageHWP...
2016 Apr 06
1
[PATCH v3 01/16] mm: use put_page to free page instead of putback_lru_page
...rs of page migration do, soft_offline_page expects the
> >>> migration source page to be freed at this put_page() (no pin remains.)
> >>> The refcount released here is from isolate_lru_page() in __soft_offline_page().
> >>> (the pin by get_any_page is released by put_hwpoison_page just after it.)
> >>>
> >>> .. yes, doing something just after freeing page looks weird, but that's
> >>> how PageHWPoison flag works. IOW, many other page flags are maintained
> >>> only during one "allocate-free" life span, but PageHWP...
2016 Apr 01
2
[PATCH v3 01/16] mm: use put_page to free page instead of putback_lru_page
On 03/30/2016 09:12 AM, Minchan Kim wrote:
> Procedure of page migration is as follows:
>
> First of all, it should isolate a page from LRU and try to
> migrate the page. If it is successful, it releases the page
> for freeing. Otherwise, it should put the page back to LRU
> list.
>
> For LRU pages, we have used putback_lru_page for both freeing
> and putback to LRU
2016 Apr 01
2
[PATCH v3 01/16] mm: use put_page to free page instead of putback_lru_page
On 03/30/2016 09:12 AM, Minchan Kim wrote:
> Procedure of page migration is as follows:
>
> First of all, it should isolate a page from LRU and try to
> migrate the page. If it is successful, it releases the page
> for freeing. Otherwise, it should put the page back to LRU
> list.
>
> For LRU pages, we have used putback_lru_page for both freeing
> and putback to LRU