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Matthew Wilcox (Oracle) dd10ab049b mm: Add folio_mapped()
This function is the equivalent of page_mapped().  It is slightly
shorter as we do not need to handle the PageTail() case.  Reimplement
page_mapped() as a wrapper around folio_mapped().  folio_mapped()
is 13 bytes smaller than page_mapped(), but the page_mapped() wrapper
is 30 bytes, for a net increase of 17 bytes of text.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Howells <dhowells@redhat.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
2021-09-27 09:27:31 -04:00
arch
block
certs
crypto
Documentation fs/netfs: Add folio fscache functions 2021-09-27 09:27:31 -04:00
drivers Fix two EDAC drivers using the wrong value type for the DIMM mode. 2021-09-26 12:18:10 -07:00
fs mm/filemap: Convert page wait queues to be folios 2021-09-27 09:27:30 -04:00
include mm: Add folio_mapped() 2021-09-27 09:27:31 -04:00
init
ipc
kernel
lib
LICENSES
mm mm: Add folio_mapped() 2021-09-27 09:27:31 -04:00
net
samples
scripts
security
sound
tools
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.15-rc3 2021-09-26 14:08:19 -07:00
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 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.