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Matthew Wilcox (Oracle) fe01748ca6 memory-failure: use a folio in me_huge_page() 
[ Upstream commit b6fd410c32 ]

This function was already explicitly calling compound_head();
unfortunately the compiler can't know that and elide the redundant calls
to compound_head() buried in page_mapping(), unlock_page(), etc.  Switch
to using a folio, which does let us elide these calls.

Link: https://lkml.kernel.org/r/20231117161447.2461643-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Stable-dep-of: 8cf360b9d6 ("mm/memory-failure: fix handling of dissolved but not taken off from buddy pages")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-06-21 14:38:21 +02:00
arch KVM: SEV-ES: Delegate LBR virtualization to the processor 2024-06-21 14:38:15 +02:00
block blk-cgroup: Properly propagate the iostat update up the hierarchy 2024-06-12 11:12:46 +02:00
certs certs: Reference revocation list for all keyrings 2023-08-17 20:12:41 +00:00
crypto crypto: ecrdsa - Fix module auto-load on add_key 2024-06-16 13:47:39 +02:00
Documentation mm: fix race between __split_huge_pmd_locked() and GUP-fast 2024-06-16 13:47:40 +02:00
drivers firmware: qcom_scm: disable clocks if qcom_scm_bw_enable() fails 2024-06-21 14:38:21 +02:00
fs ksmbd: use rwsem instead of rwlock for lease break 2024-06-21 14:38:21 +02:00
include bpf: Optimize the free of inner map 2024-06-21 14:38:15 +02:00
init smp: Provide 'setup_max_cpus' definition on UP too 2024-06-16 13:47:49 +02:00
io_uring io-wq: write next_work before dropping acct_lock 2024-06-12 11:11:33 +02:00
ipc Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
kernel bpf: Fix a potential use-after-free in bpf_link_free() 2024-06-21 14:38:15 +02:00
lib lib/test_hmm.c: handle src_pfns and dst_pfns allocation failure 2024-06-12 11:12:08 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm memory-failure: use a folio in me_huge_page() 2024-06-21 14:38:21 +02:00
net net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool() 2024-06-21 14:38:20 +02:00
rust rust: kernel: require Send for Module implementations 2024-05-17 12:01:56 +02:00
samples work around gcc bugs with 'asm goto' with outputs 2024-02-23 09:24:47 +01:00
scripts kconfig: fix comparison to constant symbols, 'm', 'n' 2024-06-12 11:12:58 +02:00
security KEYS: trusted: Do not use WARN when encode fails 2024-05-25 16:22:55 +02:00
sound ALSA: seq: Fix incorrect UMP type for system messages 2024-06-16 13:47:48 +02:00
tools selftests: net: more strict check in net_helper 2024-06-16 13:47:48 +02:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt KVM: Always flush async #PF workqueue when vCPU is being destroyed 2024-04-03 15:28:18 +02:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: rpm-pkg: rename binkernel.spec to kernel.spec 2023-07-25 00:59:33 +09:00
.mailmap 20 hotfixes. 12 are cc:stable and the remainder address post-6.5 issues 2023-10-24 09:52:16 -10:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING
CREDITS USB: Remove Wireless USB and UWB documentation 2023-08-09 14:17:32 +02:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS pwm: Rename pwm_apply_state() to pwm_apply_might_sleep() 2024-06-12 11:12:24 +02:00
Makefile Linux 6.6.34 2024-06-16 13:47:49 +02:00
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.