* + hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2.patch added to -mm tree
@ 2021-02-24 4:28 akpm
2021-02-24 8:11 ` Oscar Salvador
0 siblings, 1 reply; 2+ messages in thread
From: akpm @ 2021-02-24 4:28 UTC (permalink / raw)
To: mhocko, mike.kravetz, mm-commits, osalvador, songmuchun
The patch titled
Subject: hugetlb: document the new location of page subpool pointer
has been added to the -mm tree. Its filename is
hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Mike Kravetz <mike.kravetz@oracle.com>
Subject: hugetlb: document the new location of page subpool pointer
Expand comments, no functional change.
Link: https://lkml.kernel.org/r/20210224040439.351882-1-mike.kravetz@oracle.com
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/hugetlb.h | 3 +++
1 file changed, 3 insertions(+)
--- a/include/linux/hugetlb.h~hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2
+++ a/include/linux/hugetlb.h
@@ -476,6 +476,9 @@ unsigned long hugetlb_get_unmapped_area(
* huegtlb page specific state flags. These flags are located in page.private
* of the hugetlb head page. Functions created via the below macros should be
* used to manipulate these flags.
+ * Note: The hugetlb page subpool pointer previously located at page.private
+ * was moved to page[1].private to make room for flags in the head page. See
+ * hugetlb_page_subpool().
*
* HPG_restore_reserve - Set when a hugetlb page consumes a reservation at
* allocation time. Cleared when page is fully instantiated. Free
_
Patches currently in -mm which might be from mike.kravetz@oracle.com are
hugetlb-fix-update_and_free_page-contig-page-struct-assumption.patch
hugetlb-fix-copy_huge_page_from_user-contig-page-struct-assumption.patch
hugetlb-use-pageprivate-for-hugetlb-specific-page-flags.patch
hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix.patch
hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2.patch
hugetlb-convert-page_huge_active-hpagemigratable-flag.patch
hugetlb-convert-pagehugetemporary-to-hpagetemporary-flag.patch
hugetlb-convert-pagehugefreed-to-hpagefreed-flag.patch
include-linux-hugetlbh-add-synchronization-information-for-new-hugetlb-specific-flags.patch
mm-hugetlb-change-hugetlb_reserve_pages-to-type-bool.patch
hugetlbfs-remove-special-hugetlbfs_set_page_dirty.patch
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: + hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2.patch added to -mm tree
2021-02-24 4:28 + hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2.patch added to -mm tree akpm
@ 2021-02-24 8:11 ` Oscar Salvador
0 siblings, 0 replies; 2+ messages in thread
From: Oscar Salvador @ 2021-02-24 8:11 UTC (permalink / raw)
To: akpm; +Cc: mhocko, mike.kravetz, mm-commits, songmuchun
On 2021-02-24 05:28, akpm@linux-foundation.org wrote:
> The patch titled
> Subject: hugetlb: document the new location of page subpool
> pointer
> has been added to the -mm tree. Its filename is
>
> hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2.patch
>
> This patch should soon appear at
>
> https://ozlabs.org/~akpm/mmots/broken-out/hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2.patch
> and later at
>
> https://ozlabs.org/~akpm/mmotm/broken-out/hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2.patch
>
> Before you just go and hit "reply", please:
> a) Consider who else should be cc'ed
> b) Prefer to cc a suitable mailing list as well
> c) Ideally: find the original patch on the mailing list and do a
> reply-to-all to that, adding suitable additional cc's
>
> *** Remember to use Documentation/process/submit-checklist.rst when
> testing your code ***
>
> The -mm tree is included into linux-next and is updated
> there every 3-4 working days
>
> ------------------------------------------------------
> From: Mike Kravetz <mike.kravetz@oracle.com>
> Subject: hugetlb: document the new location of page subpool pointer
>
> Expand comments, no functional change.
>
> Link:
> https://lkml.kernel.org/r/20210224040439.351882-1-mike.kravetz@oracle.com
> Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
> Cc: Michal Hocko <mhocko@suse.com>
> Cc: Oscar Salvador <osalvador@suse.de>
> Cc: Muchun Song <songmuchun@bytedance.com>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
> ---
>
> include/linux/hugetlb.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> ---
> a/include/linux/hugetlb.h~hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2
> +++ a/include/linux/hugetlb.h
> @@ -476,6 +476,9 @@ unsigned long hugetlb_get_unmapped_area(
> * huegtlb page specific state flags. These flags are located in
> page.private
> * of the hugetlb head page. Functions created via the below macros
> should be
> * used to manipulate these flags.
> + * Note: The hugetlb page subpool pointer previously located at
> page.private
> + * was moved to page[1].private to make room for flags in the head
> page. See
> + * hugetlb_page_subpool().
> *
> * HPG_restore_reserve - Set when a hugetlb page consumes a
> reservation at
> * allocation time. Cleared when page is fully instantiated. Free
> _
>
> Patches currently in -mm which might be from mike.kravetz@oracle.com
> are
>
> hugetlb-fix-update_and_free_page-contig-page-struct-assumption.patch
> hugetlb-fix-copy_huge_page_from_user-contig-page-struct-assumption.patch
> hugetlb-use-pageprivate-for-hugetlb-specific-page-flags.patch
> hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix.patch
> hugetlb-use-pageprivate-for-hugetlb-specific-page-flags-fix-2.patch
> hugetlb-convert-page_huge_active-hpagemigratable-flag.patch
> hugetlb-convert-pagehugetemporary-to-hpagetemporary-flag.patch
> hugetlb-convert-pagehugefreed-to-hpagefreed-flag.patch
> include-linux-hugetlbh-add-synchronization-information-for-new-hugetlb-specific-flags.patch
> mm-hugetlb-change-hugetlb_reserve_pages-to-type-bool.patch
> hugetlbfs-remove-special-hugetlbfs_set_page_dirty.patch
--
Oscar Salvador
SUSE L3
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-02-24 8:11 ` Oscar Salvador
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