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Sergey Senozhatsky 6040f650c5 zsmalloc: use unique zsmalloc caches names Each zsmalloc pool maintains several named kmem-caches for zs_handle-s and zspage-s. On a system with multiple zsmalloc pools and CONFIG_DEBUG_VM this triggers kmem_cache_sanity_check(): kmem_cache of name 'zspage' already exists WARNING: at mm/slab_common.c:108 do_kmem_cache_create_usercopy+0xb5/0x310 ... kmem_cache of name 'zs_handle' already exists WARNING: at mm/slab_common.c:108 do_kmem_cache_create_usercopy+0xb5/0x310 ... We provide zram device name when init its zsmalloc pool, so we can use that same name for zsmalloc caches and, hence, create unique names that can easily be linked to zram device that has created them. So instead of having this cat /proc/slabinfo slabinfo - version: 2.1 zspage 46 46 ... zs_handle 128 128 ... zspage 34270 34270 ... zs_handle 34816 34816 ... zspage 0 0 ... zs_handle 0 0 ... We now have this cat /proc/slabinfo slabinfo - version: 2.1 zspage-zram2 46 46 ... zs_handle-zram2 128 128 ... zspage-zram0 34270 34270 ... zs_handle-zram0 34816 34816 ... zspage-zram1 0 0 ... zs_handle-zram1 0 0 ... Link: https://lkml.kernel.org/r/20240906035103.2435557-1-senozhatsky@chromium.org Fixes: `2e40e163a2` ("zsmalloc: decouple handle and object") Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: Minchan Kim <minchan@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>		2024-09-17 00:58:04 -07:00
arch	Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging	2024-09-01 09:18:48 +12:00
block	block: fix detection of unsupported WRITE SAME in blkdev_issue_write_zeroes	2024-08-28 08:49:25 -06:00
certs	kbuild: use $(src) instead of $(srctree)/$(src) for source directory	2024-05-10 04:34:52 +09:00
crypto	crypto: testmgr - generate power-of-2 lengths more often	2024-07-13 11:50:28 +12:00
Documentation	mm/memcontrol: respect zswap.writeback setting from parent cg too	2024-09-01 17:59:02 -07:00
drivers	power sequencing fixes for v6.11-rc6	2024-09-01 09:07:44 +12:00
fs	ocfs2: cancel dqi_sync_work before freeing oinfo	2024-09-09 15:15:54 -07:00
include	four cifs.ko client fixes	2024-09-01 15:49:26 +12:00
init	Rust fixes for v6.11	2024-08-16 11:24:06 -07:00
io_uring	io_uring/kbuf: return correct iovec count from classic buffer peek	2024-08-30 10:45:54 -06:00
ipc	sysctl: treewide: constify the ctl_table argument of proc_handlers	2024-07-24 20:59:29 +02:00
kernel	kexec_file: fix elfcorehdr digest exclusion when CONFIG_CRASH_HOTPLUG=y	2024-09-01 17:59:01 -07:00
lib	alloc_tag: fix allocation tag reporting when CONFIG_MODULES=n	2024-09-01 17:59:03 -07:00
LICENSES
mm	zsmalloc: use unique zsmalloc caches names	2024-09-17 00:58:04 -07:00
net	Including fixes from bluetooth, wireless and netfilter.	2024-08-30 06:14:39 +12:00
rust	Rust fixes for v6.11	2024-08-16 11:24:06 -07:00
samples	treewide: remove unnecessary <linux/version.h> inclusion	2024-08-12 18:36:44 +09:00
scripts	scripts: fix gfp-translate after ___GFP_*_BITS conversion to an enum	2024-09-01 17:59:01 -07:00
security	Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging	2024-09-01 09:18:48 +12:00
sound	sound fixes for 6.11-rc6	2024-08-28 06:24:22 +12:00
tools	selftests: mm: fix build errors on armhf	2024-09-01 17:58:59 -07:00
usr	initramfs: shorten cmd_initfs in usr/Makefile	2024-07-16 01:07:52 +09:00
virt	KVM: x86: Disallow read-only memslots for SEV-ES and SEV-SNP (and TDX)	2024-08-14 12:28:24 -04:00
.clang-format	Docs: Move clang-format from process/ to dev-tools/	2024-06-26 16:36:00 -06:00
.cocciconfig
.editorconfig	.editorconfig: remove trim_trailing_whitespace option	2024-06-13 16:47:52 +02:00
.get_maintainer.ignore
.gitattributes
.gitignore	kbuild: add script and target to generate pacman package	2024-07-22 01:24:22 +09:00
.mailmap	mailmap: update entry for Jan Kuliga	2024-09-01 17:59:02 -07:00
.rustfmt.toml
COPYING
CREDITS	tracing: Update of MAINTAINERS and CREDITS file	2024-07-18 14:08:42 -07:00
Kbuild
Kconfig
MAINTAINERS	USB fixes for 6.11-rc6	2024-09-01 07:06:28 +12:00
Makefile	Linux 6.11-rc6	2024-09-01 19:46:02 +12:00
README	README: Fix spelling	2024-03-18 03:36:32 -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 reStructuredText 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.