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Jens Axboe 4bc4a91253 io_uring: hold mmap_sem for mm->locked_vm manipulation
The kernel doesn't seem to have clear rules around this, but various
spots are using the mmap_sem to serialize access to modifying the
locked_vm count. Play it safe and lock the mm for write when accounting
or unaccounting locked memory.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-12-17 07:53:33 -07:00
arch for-5.11/drivers-2020-12-14 2020-12-16 13:09:32 -08:00
block SCSI misc on 20201216 2020-12-16 13:34:31 -08:00
certs
crypto
Documentation SCSI misc on 20201216 2020-12-16 13:34:31 -08:00
drivers RDMA 5.11 pull request 2020-12-16 13:42:26 -08:00
fs io_uring: hold mmap_sem for mm->locked_vm manipulation 2020-12-17 07:53:33 -07:00
include RDMA 5.11 pull request 2020-12-16 13:42:26 -08:00
init for-5.11/block-2020-12-14 2020-12-16 12:57:51 -08:00
ipc
kernel RDMA 5.11 pull request 2020-12-16 13:42:26 -08:00
lib for-5.11/block-2020-12-14 2020-12-16 12:57:51 -08:00
LICENSES
mm for-5.11/block-2020-12-14 2020-12-16 12:57:51 -08:00
net RDMA 5.11 pull request 2020-12-16 13:42:26 -08:00
samples
scripts
security
sound
tools RDMA 5.11 pull request 2020-12-16 13:42:26 -08:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap RDMA 5.11 pull request 2020-12-16 13:42:26 -08:00
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS RDMA 5.11 pull request 2020-12-16 13:42:26 -08:00
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 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.