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Paul Cercueil 0de327969b cma: decrease CMA_ALIGNMENT lower limit to 2 
On an embedded system with a tiny (1 MiB) CMA area for video memory, and
a simple enough video pipeline, we can decrease the CMA_ALIGNMENT by a
factor of 2 to avoid wasting memory, as all the allocations for video
buffers will be of the exact same size (dictated by the size of the
screen).

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-10-06 07:06:54 +02:00
arch
dma-mapping: add a new dma_alloc_pages API
2020-09-25 06:20:47 +02:00
block
Merge tag 'block-5.9-2020-09-11' of git://git.kernel.dk/linux-block
2020-09-11 11:55:28 -07:00
certs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2020-08-30 15:53:44 -07:00
Documentation
dma-mapping: add a new dma_alloc_pages API
2020-09-25 06:20:47 +02:00
drivers
firewire-ohci: use dma_alloc_pages
2020-09-25 06:20:48 +02:00
fs
Merge tag 'for-5.9-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
2020-09-23 14:32:23 -07:00
include
dma-mapping: add new {alloc,free}_noncoherent dma_map_ops methods
2020-09-25 06:20:47 +02:00
init
bootconfig: init: make xbc_namebuf static
2020-09-18 22:17:05 -04:00
ipc
ipc: adjust proc_ipc_sem_dointvec definition to match prototype
2020-09-05 12:14:29 -07:00
kernel
cma: decrease CMA_ALIGNMENT lower limit to 2
2020-10-06 07:06:54 +02:00
lib
Merge tag 'trace-v5.9-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2020-09-23 14:52:22 -07:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
Merge branch 'master' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into dma-mapping-for-next
2020-09-25 06:19:19 +02:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-09-22 14:43:50 -07:00
samples
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
scripts
kconfig: qconf: revive help message in the info view
2020-09-20 12:58:54 +09:00
security
Merge tag 'fixes-v5.9a' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2020-09-15 16:26:57 -07:00
sound
hal2: convert to dma_alloc_noncoherent
2020-09-25 06:20:44 +02:00
tools
Merge tag 'trace-v5.9-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2020-09-23 14:52:22 -07:00
usr
Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 13:29:39 -07:00
virt
KVM: fix memory leak in kvm_io_bus_unregister_dev()
2020-09-11 13:15:11 -04:00
.clang-format
clang-format: Update with the latest for_each macro list
2020-09-01 12:53:42 +02:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: Add ZSTD-compressed files
2020-07-31 11:50:49 +02:00
.mailmap
mailmap: add older email addresses for Kees Cook
2020-09-19 13:13:38 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
CREDITS: Replace HTTP links with HTTPS ones
2020-07-23 14:53:58 -06:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
Merge tag 'media/v5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2020-09-24 09:05:04 -07:00
Makefile
Linux 5.9-rc6
2020-09-20 16:33:55 -07:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

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.
Description
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