On Tue, Jul 21 2015, Vlastimil Babka wrote:
> The __test_page_isolated_in_pageblock() is used to verify whether all pages
> in pageblock were either successfully isolated, or are hwpoisoned. Two of the
> possible state of pages, that are tested, are however bogus and misleading.
>
> Both tests
On Tue, Jul 21 2015, Vlastimil Babka wrote:
The __test_page_isolated_in_pageblock() is used to verify whether all pages
in pageblock were either successfully isolated, or are hwpoisoned. Two of the
possible state of pages, that are tested, are however bogus and misleading.
Both tests rely on
On Tue, Jul 21, 2015 at 02:53:37PM +0200, Vlastimil Babka wrote:
> The __test_page_isolated_in_pageblock() is used to verify whether all pages
> in pageblock were either successfully isolated, or are hwpoisoned. Two of the
> possible state of pages, that are tested, are however bogus and
On Tue, Jul 21, 2015 at 02:53:37PM +0200, Vlastimil Babka wrote:
The __test_page_isolated_in_pageblock() is used to verify whether all pages
in pageblock were either successfully isolated, or are hwpoisoned. Two of the
possible state of pages, that are tested, are however bogus and misleading.
On Tue, Jul 21, 2015 at 02:53:37PM +0200, Vlastimil Babka wrote:
> The __test_page_isolated_in_pageblock() is used to verify whether all pages
> in pageblock were either successfully isolated, or are hwpoisoned. Two of the
> possible state of pages, that are tested, are however bogus and
On Tue, Jul 21, 2015 at 02:53:37PM +0200, Vlastimil Babka wrote:
> The __test_page_isolated_in_pageblock() is used to verify whether all pages
> in pageblock were either successfully isolated, or are hwpoisoned. Two of the
> possible state of pages, that are tested, are however bogus and
On Wed, 22 Jul 2015, Vlastimil Babka wrote:
> From: Vlastimil Babka
> Date: Wed, 22 Jul 2015 14:16:52 +0200
> Subject: [PATCH 2/3] fixup! mm, page_isolation: remove bogus tests for
> isolated pages
>
> ---
> mm/page_alloc.c | 4
> 1 file changed, 4 insertions(+)
>
> diff --git
On 07/22/2015 12:43 AM, David Rientjes wrote:
> On Tue, 21 Jul 2015, Vlastimil Babka wrote:
>
>
> You may want to consider stating your assumptions explicitly in the code,
> perhaps with VM_BUG_ON(), such as in free_pcppages_bulk() to ensure things
> like get_freepage_migratetype(page) !=
On Wed, 22 Jul 2015, Vlastimil Babka wrote:
From: Vlastimil Babka vba...@suse.cz
Date: Wed, 22 Jul 2015 14:16:52 +0200
Subject: [PATCH 2/3] fixup! mm, page_isolation: remove bogus tests for
isolated pages
---
mm/page_alloc.c | 4
1 file changed, 4 insertions(+)
diff --git
On Tue, Jul 21, 2015 at 02:53:37PM +0200, Vlastimil Babka wrote:
The __test_page_isolated_in_pageblock() is used to verify whether all pages
in pageblock were either successfully isolated, or are hwpoisoned. Two of the
possible state of pages, that are tested, are however bogus and misleading.
On Tue, Jul 21, 2015 at 02:53:37PM +0200, Vlastimil Babka wrote:
The __test_page_isolated_in_pageblock() is used to verify whether all pages
in pageblock were either successfully isolated, or are hwpoisoned. Two of the
possible state of pages, that are tested, are however bogus and misleading.
On 07/22/2015 12:43 AM, David Rientjes wrote:
On Tue, 21 Jul 2015, Vlastimil Babka wrote:
You may want to consider stating your assumptions explicitly in the code,
perhaps with VM_BUG_ON(), such as in free_pcppages_bulk() to ensure things
like get_freepage_migratetype(page) !=
On Tue, 21 Jul 2015, Vlastimil Babka wrote:
> The __test_page_isolated_in_pageblock() is used to verify whether all pages
> in pageblock were either successfully isolated, or are hwpoisoned. Two of the
> possible state of pages, that are tested, are however bogus and misleading.
>
> Both tests
The __test_page_isolated_in_pageblock() is used to verify whether all pages
in pageblock were either successfully isolated, or are hwpoisoned. Two of the
possible state of pages, that are tested, are however bogus and misleading.
Both tests rely on get_freepage_migratetype(page), which however
On Tue, 21 Jul 2015, Vlastimil Babka wrote:
The __test_page_isolated_in_pageblock() is used to verify whether all pages
in pageblock were either successfully isolated, or are hwpoisoned. Two of the
possible state of pages, that are tested, are however bogus and misleading.
Both tests rely
The __test_page_isolated_in_pageblock() is used to verify whether all pages
in pageblock were either successfully isolated, or are hwpoisoned. Two of the
possible state of pages, that are tested, are however bogus and misleading.
Both tests rely on get_freepage_migratetype(page), which however
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