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Kefeng Wang 1ff5c8e8c8 Revert "powerpc: Set max_mapnr correctly" 
This reverts commit 602946ec2f.

If CONFIG_HIGHMEM is enabled, no highmem will be added with max_mapnr
set to max_low_pfn, see mem_init():

  for (pfn = highmem_mapnr; pfn < max_mapnr; ++pfn) {
        ...
        free_highmem_page();
  }

Now that virt_addr_valid() has been fixed in the previous commit, we can
revert the change to max_mapnr.

Fixes: 602946ec2f ("powerpc: Set max_mapnr correctly")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reported-by: Erhard F. <erhard_f@mailbox.org>
[mpe: Update change log to reflect series reordering]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220406145802.538416-2-mpe@ellerman.id.au
2022-04-07 08:54:35 +10:00
arch Revert "powerpc: Set max_mapnr correctly" 2022-04-07 08:54:35 +10:00
block for-5.18/64bit-pi-2022-03-25 2022-03-26 12:01:35 -07:00
certs KEYS: Introduce link restriction for machine keys 2022-03-08 13:55:52 +02:00
crypto for-5.18/64bit-pi-2022-03-25 2022-03-26 12:01:35 -07:00
Documentation - qcom: add support for MSM8976 2022-03-27 14:21:57 -07:00
drivers - qcom: add support for MSM8976 2022-03-27 14:21:57 -07:00
fs Add support for Intel CET-IBT, available since Tigerlake (11th gen), which is a 2022-03-27 10:17:23 -07:00
include - qcom: add support for MSM8976 2022-03-27 14:21:57 -07:00
init Merge branch 'akpm' (patches from Andrew) 2022-03-24 14:14:07 -07:00
ipc fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
kernel Add support for Intel CET-IBT, available since Tigerlake (11th gen), which is a 2022-03-27 10:17:23 -07:00
lib memcpy updates for v5.18-rc1 2022-03-26 12:19:04 -07:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm memblock: test suite and a small cleanup 2022-03-27 13:36:06 -07:00
net The highlights are: 2022-03-24 18:32:48 -07:00
samples Landlock updates for v5.18-rc1 2022-03-27 14:26:47 -07:00
scripts Add support for Intel CET-IBT, available since Tigerlake (11th gen), which is a 2022-03-27 10:17:23 -07:00
security Landlock updates for v5.18-rc1 2022-03-27 14:26:47 -07:00
sound Add support for Intel CET-IBT, available since Tigerlake (11th gen), which is a 2022-03-27 10:17:23 -07:00
tools perf tools changes for v5.18: 1st batch 2022-03-27 13:42:32 -07:00
usr reiserfs_xattr.h: add linux/reiserfs_xattr.h to UAPI compile-test coverage 2022-02-17 09:09:38 +01:00
virt KVM: compat: riscv: Prevent KVM_COMPAT from being selected 2022-03-11 19:02:15 +05:30
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.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: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap MAINTAINERS: Update Jisheng's email address 2022-03-08 17:30:32 +01:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
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 memblock: test suite and a small cleanup 2022-03-27 13:36:06 -07:00
Makefile array-bounds updates for v5.18-rc1 2022-03-26 12:30:44 -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.