lkml.org 
[lkml]   [2022]   [Mar]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [GIT PULL] Folio patches for 5.18 (MM part)
From
On 21.03.22 14:30, Matthew Wilcox wrote:
> Hi Linus,
>
> This is the first of two folio-related pull requests for this merge
> window. This is the MM side of things and we had some unfortunate
> complex merge conflicts to resolve. I decided to redo my changes on
> top of Hugh's and Christoph's patches, so I'm the one sending the
> pull request.
>
> The following changes since commit f71077a4d84bbe8c7b91b7db7c4ef815755ac5e3:
>
> Merge tag 'mmc-v5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc (2022-02-16 12:09:22 -0800)
>
> are available in the Git repository at:
>
> git://git.infradead.org/users/willy/pagecache.git tags/folio-5.18
>
> for you to fetch changes up to 5063f22c914e3e5f2239cf91f4986042dc705bde:
>
> mm/damon: minor cleanup for damon_pa_young (2022-03-16 10:09:50 -0400)
>
> ----------------------------------------------------------------
> Folio changes for 5.18
>
> Several of us had overlapping, conflicting changes to the MM this
> round, and I volunteered to send the pull request.
>
> - Hugh rewrote how munlock works to massively reduce the contention
> on i_mmap_rwsem:
> https://lore.kernel.org/linux-mm/8e4356d-9622-a7f0-b2c-f116b5f2efea@google.com/
> - Christoph sorted out the page refcount mess for ZONE_DEVICE pages:
> https://lore.kernel.org/linux-mm/20220210072828.2930359-1-hch@lst.de/
> - I converted GUP to use folios and make pincount available for order-1
> pages.
> - I converted a few more truncation functions to use folios
> - I converted page_vma_mapped_walk to use PFNs instead of pages
> - I converted rmap_walk to use folios
> - I converted most of shrink_page_list() to use a folio
> - I added support for creating large folios in readahead
>
> ----------------------------------------------------------------
> Alex Sierra (10):
> mm: add zone device coherent type memory support
> mm: add device coherent vma selection for memory migration
> mm/gup: fail get_user_pages for LONGTERM dev coherent type
> drm/amdkfd: add SPM support for SVM
> drm/amdkfd: coherent type as sys mem on migration to ram
> lib: test_hmm add ioctl to get zone device type
> lib: test_hmm add module param for zone device type
> lib: add support for device coherent type in test_hmm
> tools: update hmm-test to support device coherent type
> tools: update test_hmm script to support SP config
>
> Alistair Popple (2):
> mm: remove the vma check in migrate_vma_setup()
> mm/gup: migrate device coherent pages when pinning instead of failing

... I thought DEVICE_COHERENT is still under development?


--
Thanks,

David / dhildenb

\
 
 \ /
  Last update: 2022-03-21 16:19    [W:0.073 / U:0.424 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site