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Matthew Wilcox (Oracle) f4b6680973 sh: remove use of PG_arch_1 on individual pages
Patch series "Various page->flags cleanups".

The first two patches are bug fixes, although I'm not sure that either
architecture will have noticed.  There aren't a lot of uses of page->flags
left!  The big build-up here is to reworking stable_page_flags(), which
will definitely be a user-visible change.  I think a welcome one, given
the special case we had to spread the Slab flag into all tail pages.


This patch (of 10):

Since switching to the new page table range API, we do not set the
PG_arch_1 (aka dcache clean) flag on tail pages, only on the folio.  Test
it on the folio.  Also use page_mapped() instead of page_mapcount() as it
is more efficient.

[akpm@linux-foundation.org: fix folio_flags call]
Link: https://lkml.kernel.org/r/20240326171045.410737-1-willy@infradead.org
Link: https://lkml.kernel.org/r/20240326171045.410737-2-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
History 2024-04-25 20:56:13 -07:00
arch
block
certs This update includes the following changes: 2023-11-02 16:15:30 -10:00
crypto
Documentation
drivers
fs
include
init
io_uring
ipc sysctl changes for v6.9-rc1 2024-03-18 14:59:13 -07:00
kernel
lib
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm: merge folio_is_secretmem() and folio_fast_pin_allowed() into gup_fast_folio_allowed() 2024-04-25 20:56:13 -07:00
net
rust
samples
scripts
security security: Place security_path_post_mknod() where the original IMA call was 2024-04-03 10:21:32 -07:00
sound fix missing vmalloc.h includes 2024-04-25 20:55:49 -07:00
tools
usr
virt
.clang-format
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig Add .editorconfig file for basic formatting 2023-12-28 16:22:47 +09:00
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
.rustfmt.toml
COPYING
CREDITS
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig
MAINTAINERS
Makefile
README

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 reStructuredText 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.