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Aneesh Kumar K.V a9cc9c3456 selftest/mremap_test: avoid crash with static build 
With a large mmap map size, we can overlap with the text area and using
MAP_FIXED results in unmapping that area.  Switch to MAP_FIXED_NOREPLACE
and handle the EEXIST error.

Link: https://lkml.kernel.org/r/20210616045239.370802-3-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Kalesh Singh <kaleshsingh@google.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Hugh Dickins <hughd@google.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-08 11:48:22 -07:00
arch mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t * 2021-07-08 11:48:22 -07:00
block scsi: blkcg: Fix application ID config options 2021-07-04 11:44:22 -07:00
certs
crypto
Documentation module: add printk formats to add module build ID to stacktraces 2021-07-08 11:48:22 -07:00
drivers xen: branch for v5.14-rc1 2021-07-07 11:07:13 -07:00
fs fuse update for 5.14 2021-07-06 11:17:41 -07:00
include mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t * 2021-07-08 11:48:22 -07:00
init buildid: stash away kernels build ID on init 2021-07-08 11:48:22 -07:00
ipc
kernel kdump: use vmlinux_build_id to simplify 2021-07-08 11:48:22 -07:00
lib kdump: use vmlinux_build_id to simplify 2021-07-08 11:48:22 -07:00
LICENSES
mm mm: add setup_initial_init_mm() helper 2021-07-08 11:48:21 -07:00
net TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
samples VFIO update for v5.14-rc1 2021-07-03 11:49:33 -07:00
scripts scripts/decode_stacktrace.sh: indicate 'auto' can be used for base path 2021-07-08 11:48:22 -07:00
security
sound TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
tools selftest/mremap_test: avoid crash with static build 2021-07-08 11:48:22 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS hwspinlock updates for v5.14 2021-07-07 10:57:51 -07:00
Makefile
README

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.