lkml.org 
[lkml]   [2019]   [Jan]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RESEND PATCH V3 0/5] arm64/mm: Enable HugeTLB migration
From
Date


On 12/18/2018 01:54 PM, Anshuman Khandual wrote:
> This patch series enables HugeTLB migration support for all supported
> huge page sizes at all levels including contiguous bit implementation.
> Following HugeTLB migration support matrix has been enabled with this
> patch series. All permutations have been tested except for the 16GB.
>
> CONT PTE PMD CONT PMD PUD
> -------- --- -------- ---
> 4K: 64K 2M 32M 1G
> 16K: 2M 32M 1G
> 64K: 2M 512M 16G
>
> First the series adds migration support for PUD based huge pages. It
> then adds a platform specific hook to query an architecture if a
> given huge page size is supported for migration while also providing
> a default fallback option preserving the existing semantics which just
> checks for (PMD|PUD|PGDIR)_SHIFT macros. The last two patches enables
> HugeTLB migration on arm64 and subscribe to this new platform specific
> hook by defining an override.
>
> The second patch differentiates between movability and migratability
> aspects of huge pages and implements hugepage_movable_supported() which
> can then be used during allocation to decide whether to place the huge
> page in movable zone or not.
>
> This is just a resend for the previous version (V3) after the rebase
> on current mainline kernel. Also added all the tags previous version
> had received.
>
> Changes in V3:
>
> - Re-ordered patches 1 and 2 per Michal
> - s/Movability/Migratability/ in unmap_and_move_huge_page() per Naoya
>
> Changes in V2: (https://lkml.org/lkml/2018/10/12/190)
>
> - Added a new patch which differentiates migratability and movability
> of huge pages and implements hugepage_movable_supported() function
> as suggested by Michal Hocko.
>
> Anshuman Khandual (5):
> mm/hugetlb: Distinguish between migratability and movability
> mm/hugetlb: Enable PUD level huge page migration
> mm/hugetlb: Enable arch specific huge page size support for migration
> arm64/mm: Enable HugeTLB migration
> arm64/mm: Enable HugeTLB migration for contiguous bit HugeTLB pages
>

Hello Andrew,

Just wondering if there are any updates on this series ? Is there something we need to
improve or fix some where in this series for it to get merged. Please do let us know.
Thank you.

- Anshuman

\
 
 \ /
  Last update: 2019-01-03 06:05    [W:0.057 / U:1.760 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site