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Filename Latest commit message Latest commit date
Vasily Gorbik e006222b57 s390/mm: optimize debugfs ptdump kasan zero page walking
Kasan zero p4d/pud/pmd/pte are always filled in with corresponding
kasan zero entries. Walking kasan zero page backed area is time
consuming and unnecessary. When kasan zero p4d/pud/pmd is encountered,
it eventually points to the kasan zero page always with the same
attributes and nothing but it, therefore zero p4d/pud/pmd could
be jumped over.

Also adds a space between address range and pages number to separate
them from each other when pages number is huge.

0x0018000000000000-0x0018000010000000       256M PMD RW X
0x0018000010000000-0x001bfffff0000000 1073741312M PTE RO X
0x001bfffff0000000-0x001bfffff0001000         4K PTE RW X

Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2018-10-09 11:21:30 +02:00
arch s390/mm: optimize debugfs ptdump kasan zero page walking 2018-10-09 11:21:30 +02:00
block
certs
crypto
Documentation Merge gitolite.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-09-18 09:31:53 +02:00
drivers s390/kasan: avoid instrumentation of early C code 2018-10-09 11:21:17 +02:00
firmware
fs
include compiler: introduce __no_sanitize_address_or_inline 2018-10-09 11:21:25 +02:00
init init: add arch_call_rest_init to allow stack switching 2018-10-09 11:20:55 +02:00
ipc
kernel Vaibhav Nagarnaik found that modifying the ring buffer size could cause 2018-09-19 07:41:46 +02:00
lib s390/kasan: add option for 4-level paging support 2018-10-09 11:21:29 +02:00
LICENSES
mm
net net/ipv6: do not copy dst flags on rt init 2018-09-17 19:42:14 -07:00
samples
scripts
security
sound ASoC: Fixes for v4.19 2018-09-17 18:59:21 +02:00
tools Merge gitolite.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-09-18 09:31:53 +02:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS sound fixes for 4.19-rc5 2018-09-20 09:50:49 +02:00
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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.