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David Hildenbrand 0a9ad8273f nios2/mm: refactor swap PTE layout
nios2 disables swap for a good reason: it doesn't even provide sufficient
type bits as required by core MM.  However, swap entries are nowadays also
used for other purposes (migration entries, PTE markers, HWPoison, ...),
and accidential use could be problematic.

Let's properly use 5 bits for the swap type and document the layout.  Bits
26--31 should get ignored by hardware completely, so they can be used.

Link: https://lkml.kernel.org/r/20230113171026.582290-14-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02 22:33:08 -08:00
arch nios2/mm: refactor swap PTE layout 2023-02-02 22:33:08 -08:00
block block-6.2-2023-01-13 2023-01-13 17:41:19 -06:00
certs certs: make system keyring depend on built-in x509 parser 2022-09-24 04:31:18 +09:00
crypto This update includes the following changes: 2022-12-14 12:31:09 -08:00
Documentation Documentation/mm: update references to __m[un]lock_page() to *_folio() 2023-02-02 22:33:05 -08:00
drivers Sync mm-stable with mm-hotfixes-stable to pick up dependent patches 2023-01-31 17:25:17 -08:00
fs mm/mmu_notifier: remove unused mmu_notifier_range_update_to_read_only export 2023-02-02 22:32:54 -08:00
include mm: pagevec: add folio_batch_reinit() 2023-02-02 22:33:04 -08:00
init Sync with v6.2-rc4 2023-01-18 16:52:20 -08:00
io_uring mm/nommu: factor out check for NOMMU shared mappings into is_nommu_shared_mapping() 2023-01-18 17:12:56 -08:00
ipc Non-MM patches for 6.2-rc1. 2022-12-12 17:28:58 -08:00
kernel mm: remove 'First tail page' members from struct page 2023-02-02 22:32:59 -08:00
lib maple_tree: fix comment of mte_destroy_walk 2023-02-02 22:33:01 -08:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm/debug_vm_pgtable: more pte_swp_exclusive() sanity checks 2023-02-02 22:33:05 -08:00
net mm: remove zap_page_range and create zap_vma_pages 2023-01-18 17:12:55 -08:00
rust rust: types: add Opaque type 2022-12-04 01:59:16 +01:00
samples Char/Misc driver changes for 6.2-rc1 2022-12-16 03:49:24 -08:00
scripts kernel hardening fixes for v6.2-rc4 2023-01-14 10:04:00 -06:00
security mm: new primitive kvmemdup() 2023-01-18 17:12:47 -08:00
sound sound fixes for 6.2-rc4 2023-01-13 08:20:29 -06:00
tools maple_tree: remove the parameter entry of mas_preallocate 2023-02-02 22:32:52 -08:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt KVM: Ensure lockdep knows about kvm->lock vs. vcpu->mutex ordering rule 2023-01-11 13:32:21 -05:00
.clang-format iommufd for 6.2 2022-12-14 09:15:43 -08:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore *.rpm 2022-12-30 17:22:14 +09:00
.mailmap .mailmap: update e-mail address for Eugen Hristev 2023-01-31 16:44:08 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: zram: zsmalloc: Add an additional co-maintainer 2022-12-15 16:37:49 -08:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS/DAMON: link maintainer profile, git trees, and website 2023-02-02 22:32:52 -08:00
Makefile Linux 6.2-rc4 2023-01-15 09:22:43 -06:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.