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2022-10-03mm: memcontrol: drop dead CONFIG_MEMCG_SWAP config symbolJohannes Weiner1-1/+0
Since 2d1c498072de ("mm: memcontrol: make swap tracking an integral part of memory control"), CONFIG_MEMCG_SWAP hasn't been a user-visible config option anymore, it just means CONFIG_MEMCG && CONFIG_SWAP. Update the sites accordingly and drop the symbol. [ While touching the docs, remove two references to CONFIG_MEMCG_KMEM, which hasn't been a user-visible symbol for over half a decade. ] Link: https://lkml.kernel.org/r/20220926135704.400818-5-hannes@cmpxchg.org Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Shakeel Butt <shakeelb@google.com> Cc: Hugh Dickins <hughd@google.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Roman Gushchin <roman.gushchin@linux.dev> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2021-09-13rcu: Fix undefined Kconfig macrosZhouyi Zhou1-1/+0
Invoking scripts/checkkconfigsymbols.py in the Linux-kernel source tree located the following issues: 1. TREE_PREEMPT_RCU Referencing files: arch/sh/configs/sdk7786_defconfig It should now be CONFIG_PREEMPT_RCU. Except that the CONFIG_PREEMPT=y in that same file implies CONFIG_PREEMPT_RCU=y. Therefore, delete the CONFIG_TREE_PREEMPT_RCU=y line. The reason is as follows: In kernel/rcu/Kconfig, we have config PREEMPT_RCU bool default y if PREEMPTION https://www.kernel.org/doc/Documentation/kbuild/kconfig-language.txt says, "The default value is only assigned to the config symbol if no other value was set by the user (via the input prompt above)." there is no prompt in config PREEMPT_RCU entry, so we are guaranteed to get CONFIG_PREEMPT_RCU=y when CONFIG_PREEMPT is present. 2. RCU_CPU_STALL_INFO Referencing files: arch/xtensa/configs/nommu_kc705_defconfig The old Kconfig option RCU_CPU_STALL_INFO was removed by commit 75c27f119b64 ("rcu: Remove CONFIG_RCU_CPU_STALL_INFO"), and the kernel now acts as if this Kconfig option was unconditionally enabled. 3. RCU_NOCB_CPU_ALL Referencing files: Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst This is an old snapshot of the code. I update this from the real rcu_prepare_for_idle() function in kernel/rcu/tree_plugin.h. This change was tested by invoking "make htmldocs". 4. RCU_TORTURE_TESTS Referencing files: kernel/rcu/rcutorture.c Forward-progress checking conflicts with CPU-stall testing, so we should complain at "modprobe rcutorture" when both are enabled. Signed-off-by: Zhouyi Zhou <zhouzhouyi@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2021-02-21Merge tag 'oprofile-removal-5.12' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/linux Pull oprofile and dcookies removal from Viresh Kumar: "Remove oprofile and dcookies support The 'oprofile' user-space tools don't use the kernel OPROFILE support any more, and haven't in a long time. User-space has been converted to the perf interfaces. The dcookies stuff is only used by the oprofile code. Now that oprofile's support is getting removed from the kernel, there is no need for dcookies as well. Remove kernel's old oprofile and dcookies support" * tag 'oprofile-removal-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/linux: fs: Remove dcookies support drivers: Remove CONFIG_OPROFILE support arch: xtensa: Remove CONFIG_OPROFILE support arch: x86: Remove CONFIG_OPROFILE support arch: sparc: Remove CONFIG_OPROFILE support arch: sh: Remove CONFIG_OPROFILE support arch: s390: Remove CONFIG_OPROFILE support arch: powerpc: Remove oprofile arch: powerpc: Stop building and using oprofile arch: parisc: Remove CONFIG_OPROFILE support arch: mips: Remove CONFIG_OPROFILE support arch: microblaze: Remove CONFIG_OPROFILE support arch: ia64: Remove rest of perfmon support arch: ia64: Remove CONFIG_OPROFILE support arch: hexagon: Don't select HAVE_OPROFILE arch: arc: Remove CONFIG_OPROFILE support arch: arm: Remove CONFIG_OPROFILE support arch: alpha: Remove CONFIG_OPROFILE support
2021-01-29arch: sh: Remove CONFIG_OPROFILE supportViresh Kumar1-1/+0
The "oprofile" user-space tools don't use the kernel OPROFILE support any more, and haven't in a long time. User-space has been converted to the perf interfaces. Remove the old oprofile's architecture specific support. Suggested-by: Christoph Hellwig <hch@infradead.org> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Robert Richter <rric@kernel.org> Acked-by: William Cohen <wcohen@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Thomas Gleixner <tglx@linutronix.de>
2021-01-06sh: remove CONFIG_IDE from most defconfigChristoph Hellwig1-3/+0
Remove CONFIG_IDE from defconfigs that did not actually select chipset drivers, and switch ones that have libata drivers to libata. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Rich Felker <dalias@libc.org>
2020-06-01sh: configs: Cleanup old Kconfig IO scheduler optionsKrzysztof Kozlowski1-1/+2
CONFIG_IOSCHED_DEADLINE and CONFIG_IOSCHED_CFQ are gone since commit f382fb0bcef4 ("block: remove legacy IO schedulers"). The IOSCHED_DEADLINE was replaced by MQ_IOSCHED_DEADLINE and it will be now enabled by default (along with MQ_IOSCHED_KYBER). The BFQ_GROUP_IOSCHED is the only multiqueue scheduler which comes with group scheduling so select it in configs previously choosing CFQ_GROUP_IOSCHED. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Rich Felker <dalias@libc.org>
2019-07-17Merge tag 'for-linus-20190617' of ↵Linus Torvalds1-1/+0
git://git.sourceforge.jp/gitroot/uclinux-h8/linux Pull SH updates from Yoshinori Sato. kprobe fix, defconfig updates and a SH Kconfig fix. * tag 'for-linus-20190617' of git://git.sourceforge.jp/gitroot/uclinux-h8/linux: arch/sh: Check for kprobe trap number before trying to handle a kprobe trap sh: configs: Remove useless UEVENT_HELPER_PATH Fix allyesconfig output.
2019-07-12arch/sh/configs/sdk7786_defconfig: remove CONFIG_LOGFSKefeng Wang1-1/+0
After commit 1d0fd57a50aa ("logfs: remove from tree"), logfs was removed, drop CONFIG_LOGFS from all defconfigs. Link: http://lkml.kernel.org/r/20190530021032.190639-1-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-06-10sh: configs: Remove useless UEVENT_HELPER_PATHKrzysztof Kozlowski1-1/+0
Remove the CONFIG_UEVENT_HELPER_PATH because: 1. It is disabled since commit 1be01d4a5714 ("driver: base: Disable CONFIG_UEVENT_HELPER by default") as its dependency (UEVENT_HELPER) was made default to 'n', 2. It is not recommended (help message: "This should not be used today [...] creates a high system load") and was kept only for ancient userland, 3. Certain userland specifically requests it to be disabled (systemd README: "Legacy hotplug slows down the system and confuses udev"). Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
2019-04-18mtd: rawnand: Clarify Kconfig entry MTD_NANDMiquel Raynal1-1/+1
MTD_NAND is large and encloses much more than what the symbol is actually used for: raw NAND. Clarify the symbol by naming it MTD_RAW_NAND instead. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-07configs: get rid of obsolete CONFIG_ENABLE_WARN_DEPRECATEDAlexey Brodkin1-1/+0
This Kconfig option was removed during v4.19 development in commit 771c035372a0 ("deprecate the '__deprecated' attribute warnings entirely and for good") so there's no point to keep it in defconfigs any longer. FWIW defconfigs were patched with: --------------------------->8---------------------- find . -name *_defconfig -exec sed -i '/CONFIG_ENABLE_WARN_DEPRECATED/d' {} \; --------------------------->8---------------------- Link: http://lkml.kernel.org/r/20190128152434.41969-1-abrodkin@synopsys.com Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-09-08sh: defconfig: cleanup from old Kconfig optionsKrzysztof Kozlowski1-9/+0
Remove old, dead Kconfig options (in order appearing in this commit): - EXPERIMENTAL is gone since v3.9; - INET_LRO: commit 7bbf3cae65b6 ("ipv4: Remove inet_lro library"); - MTD_CONCAT: commit f53fdebcc3e1 ("mtd: drop MTD_CONCAT from Kconfig entirely"); - MTD_PARTITIONS: commit 6a8a98b22b10 ("mtd: kill CONFIG_MTD_PARTITIONS"); - MTD_CHAR: commit 660685d9d1b4 ("mtd: merge mtdchar module with mtdcore"); - NETDEV_1000 and NETDEV_10000: commit f860b0522f65 ("drivers/net: Kconfig and Makefile cleanup"); NET_ETHERNET should be replaced with just ETHERNET but that is separate change; - HID_SUPPORT: commit 1f41a6a99476 ("HID: Fix the generic Kconfig options"); - RCU_CPU_STALL_DETECTOR: commit a00e0d714fbd ("rcu: Remove conditional compilation for RCU CPU stall warnings"); - SYSCTL_SYSCALL_CHECK: commit 7c60c48f58a7 ("sysctl: Improve the sysctl sanity checks"); - VIDEO_OUTPUT_CONTROL: commit f167a64e9d67 ("video / output: Drop display output class support"); - MISC_DEVICES: commit 7c5763b8453a ("drivers: misc: Remove MISC_DEVICES config option"); - AUTOFS_FS: commit 561c5cf9236a ("staging: Remove autofs3"); - IP_NF_QUEUE: commit 3dd6664fac7e ("netfilter: remove unused "config IP_NF_QUEUE""); - USB_DEVICE_CLASS: commit 007bab91324e ("USB: remove CONFIG_USB_DEVICE_CLASS"); - USB_LIBUSUAL: commit f61870ee6f8c ("usb: remove libusual"); - DISPLAY_SUPPORT: commit 5a6b5e02d673 ("fbdev: remove display subsystem"); - IP_NF_TARGET_ULOG: commit d4da843e6fad ("netfilter: kill remnants of ulog targets"); - IP6_NF_QUEUE: commit d16cf20e2f2f ("netfilter: remove ip_queue support"); - IP6_NF_TARGET_LOG: commit 6939c33a757b ("netfilter: merge ipt_LOG and ip6_LOG into xt_LOG"); Link: http://lkml.kernel.org/r/1500526846-4072-1-git-send-email-krzk@kernel.org Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23arch/defconfig: remove CONFIG_RESOURCE_COUNTERSKonstantin Khlebnikov1-1/+0
This option was replaced by PAGE_COUNTER which is selected by MEMCG. Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Balbir Singh <bsingharora@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-19PM: Eliminate CONFIG_PM_RUNTIMERafael J. Wysocki1-1/+1
Having switched over all of the users of CONFIG_PM_RUNTIME to use CONFIG_PM directly, turn the latter into a user-selectable option and drop the former entirely from the tree. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Kevin Hilman <khilman@linaro.org>
2012-07-31memcg: rename config variablesAndrew Morton1-2/+2
Sanity: CONFIG_CGROUP_MEM_RES_CTLR -> CONFIG_MEMCG CONFIG_CGROUP_MEM_RES_CTLR_SWAP -> CONFIG_MEMCG_SWAP CONFIG_CGROUP_MEM_RES_CTLR_SWAP_ENABLED -> CONFIG_MEMCG_SWAP_ENABLED CONFIG_CGROUP_MEM_RES_CTLR_KMEM -> CONFIG_MEMCG_KMEM [mhocko@suse.cz: fix missed bits] Cc: Glauber Costa <glommer@parallels.com> Acked-by: Michal Hocko <mhocko@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Hugh Dickins <hughd@google.com> Cc: Tejun Heo <tj@kernel.org> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: David Rientjes <rientjes@google.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26cgroup: remove the ns_cgroupDaniel Lezcano1-1/+0
The ns_cgroup is an annoying cgroup at the namespace / cgroup frontier and leads to some problems: * cgroup creation is out-of-control * cgroup name can conflict when pids are looping * it is not possible to have a single process handling a lot of namespaces without falling in a exponential creation time * we may want to create a namespace without creating a cgroup The ns_cgroup was replaced by a compatibility flag 'clone_children', where a newly created cgroup will copy the parent cgroup values. The userspace has to manually create a cgroup and add a task to the 'tasks' file. This patch removes the ns_cgroup as suggested in the following thread: https://lists.linux-foundation.org/pipermail/containers/2009-June/018616.html The 'cgroup_clone' function is removed because it is no longer used. This is a userspace-visible change. Commit 45531757b45c ("cgroup: notify ns_cgroup deprecated") (merged into 2.6.27) caused the kernel to emit a printk warning users that the feature is planned for removal. Since that time we have heard from XXX users who were affected by this. Signed-off-by: Daniel Lezcano <daniel.lezcano@free.fr> Signed-off-by: Serge E. Hallyn <serge.hallyn@canonical.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Jamal Hadi Salim <hadi@cyberus.ca> Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Acked-by: Matt Helsley <matthltc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-17PM: Remove CONFIG_PM_VERBOSERafael J. Wysocki1-1/+0
Now that we have CONFIG_DYNAMIC_DEBUG there is no need for yet another flag causing dev_dbg() and pr_debug() statements in the core PM code to produce output. Moreover, CONFIG_PM_VERBOSE causes so much output to be generated that it's not really useful and almost no one sets it. References: https://bugzilla.kernel.org/show_bug.cgi?id=23182 Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2010-08-14defconfig reductionSam Ravnborg1-1772/+1
Use the defconfig files generated by "make savedefconfig" for remaining defconfig files. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2010-05-18sh: update defconfigs.Paul Mundt1-6/+8
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-04-26sh: mach-sdk7786: update defconfig for compressed kernel image.Paul Mundt1-192/+444
Now that compressed image loading is possible for sdk7786, drop the vmlinux.bin default image target and update the defconfig accordingly. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-10sh: update sdk7786 defconfig.Paul Mundt1-23/+337
This plugs in USB and PCI and other bits for SDK7786. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-01-14sh: Preliminary SDK7786 board support.Paul Mundt1-0/+1440
This stubs in some preliminary board support for the RTE SDK7786. This is quite stunted at the moment, and primarily builds on top of the system FPGA. FPGA IRQs are handled via CPU IRL masking for simplicity, with initial peripheral support restricted to the debug ethernet. Signed-off-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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