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* [PATCH] tiny: Make *[ug]id16 support optionalMatt Mackall2006-01-08
| | | | | | | | | | | | | | | | | | | Configurable 16-bit UID and friends support This allows turning off the legacy 16 bit UID interfaces on embedded platforms. text data bss dec hex filename 3330172 529036 190556 4049764 3dcb64 vmlinux-baseline 3328268 529040 190556 4047864 3dc3f8 vmlinux From: Adrian Bunk <bunk@stusta.de> UID16 was accidentially disabled for !EMBEDDED. Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] tiny: Make x86 doublefault handling optionalMatt Mackall2006-01-08
| | | | | | | | | | | | | | | This adds configurable support for doublefault reporting on x86 add/remove: 0/3 grow/shrink: 0/1 up/down: 0/-13048 (-13048) function old new delta cpu_init 846 786 -60 doublefault_fn 188 - -188 doublefault_stack 4096 - -4096 doublefault_tss 8704 - -8704 Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] slob: introduce the SLOB allocatorMatt Mackall2006-01-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | configurable replacement for slab allocator This adds a CONFIG_SLAB option under CONFIG_EMBEDDED. When CONFIG_SLAB is disabled, the kernel falls back to using the 'SLOB' allocator. SLOB is a traditional K&R/UNIX allocator with a SLAB emulation layer, similar to the original Linux kmalloc allocator that SLAB replaced. It's signicantly smaller code and is more memory efficient. But like all similar allocators, it scales poorly and suffers from fragmentation more than SLAB, so it's only appropriate for small systems. It's been tested extensively in the Linux-tiny tree. I've also stress-tested it with make -j 8 compiles on a 3G SMP+PREEMPT box (not recommended). Here's a comparison for otherwise identical builds, showing SLOB saving nearly half a megabyte of RAM: $ size vmlinux* text data bss dec hex filename 3336372 529360 190812 4056544 3de5e0 vmlinux-slab 3323208 527948 190684 4041840 3dac70 vmlinux-slob $ size mm/{slab,slob}.o text data bss dec hex filename 13221 752 48 14021 36c5 mm/slab.o 1896 52 8 1956 7a4 mm/slob.o /proc/meminfo: SLAB SLOB delta MemTotal: 27964 kB 27980 kB +16 kB MemFree: 24596 kB 25092 kB +496 kB Buffers: 36 kB 36 kB 0 kB Cached: 1188 kB 1188 kB 0 kB SwapCached: 0 kB 0 kB 0 kB Active: 608 kB 600 kB -8 kB Inactive: 808 kB 812 kB +4 kB HighTotal: 0 kB 0 kB 0 kB HighFree: 0 kB 0 kB 0 kB LowTotal: 27964 kB 27980 kB +16 kB LowFree: 24596 kB 25092 kB +496 kB SwapTotal: 0 kB 0 kB 0 kB SwapFree: 0 kB 0 kB 0 kB Dirty: 4 kB 12 kB +8 kB Writeback: 0 kB 0 kB 0 kB Mapped: 560 kB 556 kB -4 kB Slab: 1756 kB 0 kB -1756 kB CommitLimit: 13980 kB 13988 kB +8 kB Committed_AS: 4208 kB 4208 kB 0 kB PageTables: 28 kB 28 kB 0 kB VmallocTotal: 1007312 kB 1007312 kB 0 kB VmallocUsed: 48 kB 48 kB 0 kB VmallocChunk: 1007264 kB 1007264 kB 0 kB (this work has been sponsored in part by CELF) From: Ingo Molnar <mingo@elte.hu> Fix 32-bitness bugs in mm/slob.c. Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: cleanup KconfigMartin Schwidefsky2006-01-06
| | | | | | | | | | Sanitize some s390 Kconfig options. We have ARCH_S390, ARCH_S390X, ARCH_S390_31, 64BIT, S390_SUPPORT and COMPAT. Replace these 6 options by S390, 64BIT and COMPAT. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] NOMMU: Make SYSV IPC SHM use ramfs facilities on NOMMUDavid Howells2006-01-06
| | | | | | | | | | | | | | | | | | | | | The attached patch makes the SYSV IPC shared memory facilities use the new ramfs facilities on a no-MMU kernel. The following changes are made: (1) There are now shmem_mmap() and shmem_get_unmapped_area() functions to allow the IPC SHM facilities to commune with the tiny-shmem and shmem code. (2) ramfs files now need resizing using do_truncate() rather than by modifying the inode size directly (see shmem_file_setup()). This causes ramfs to attempt to bind a block of pages of sufficient size to the inode. (3) CONFIG_SYSVIPC is no longer contingent on CONFIG_MMU. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds2006-01-04
|\ | | | | | | Trivial manual merge fixup for usb_find_interface clashes.
| * [PATCH] HOTPLUG: always enable the .config option, unless EMBEDDEDGreg Kroah-Hartman2006-01-04
| | | | | | | | | | | | | | | | With modules, dynamic /dev, and uevents, people really want CONFIG_HOTPLUG to be enabled in their kernels. If not, they can still disable it, but it is discouraged. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * [PATCH] remove CONFIG_KOBJECT_UEVENT optionKay Sievers2006-01-04
| | | | | | | | | | | | | | | | | | It makes zero sense to have hotplug, but not the netlink events enabled today. Remove this option and merge the kobject_uevent.h header into the kobject.h header file. Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds2006-01-04
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| * kbuild: remove EXPERIMENTAL tag from Module versioningSam Ravnborg2005-12-26
| | | | | | | | | | | | | | Module versioning support has been stable for a loong time so let's get rid of the EXPERIMENTAL tag. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | [SPARC64]: Stop putting -finline-limit=XXX into CFLAGSDavid S. Miller2005-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | It was a stupid workaround for the "static inline" vs. "extern inline" issues of long ago, and it is what causes schedule() to be inlined like crazy into kernel/sched.c when -Os is specified. MIPS and S390 should probably do the same. Now CC_OPTIMIZE_FOR_SIZE can be safely used on sparc64 once more. Signed-off-by: David S. Miller <davem@davemloft.net>
* | Move size optimization option outside of EMBEDDED menu, mark it EXPERIMENTALLinus Torvalds2005-12-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also, disable on sparc64 - a number of people report breakage. Probably a compiler bug, but it's quite possible that it tickles some latent kernel problem too. It still defaults to 'y' everywhere else (when enabled through EXPERIMENTAL), and Dave Jones points out that Fedora (and RHEL4) has been building with size optimizations for a long time on x86, x86-64, ia64, s390, s390x, ppc32 and ppc64. So it is really only moderately experimental, but the sparc64 breakage certainly shows that it can trigger "issues". Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Expose "Optimize for size" option for everybodyLinus Torvalds2005-12-13
| | | | | | | | | | | | | | | | | | | | | | | | Let's put my money where my mouth is. Smaller code is almost always faster, if only because a single I$ miss ends up leaving a lot of cycles to make up for. And system software - kernels in particular - are known for taking more cache misses than most other kinds. On my random config, this made the kernel about 10% smaller, and lmbench seems to say that it's pretty uniformly faster too. Your milage may vary. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] allow KOBJECT_UEVENT=n only if EMBEDDEDAdrian Bunk2005-12-13
|/ | | | | | | | | | | | KOBJECT_UEVENT=n seems to be a common pitfall for udev users in 2.6.14 . -mm already contains a bigger patch removing this option that is IMHO too big for being applied now to 2.6.15-rc. This patch simply allows KOBJECT_UEVENT=n only if EMBEDDED. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [BLOCK] Move all core block layer code to new block/ directoryJens Axboe2005-11-04
| | | | | | | | drivers/block/ is right now a mix of core and driver parts. Lets move the core parts to a new top level directory. Al will move the fs/ related block parts to block/ next. Signed-off-by: Jens Axboe <axboe@suse.de>
* [PATCH] clarify help text for INIT_ENV_ARG_LIMITRandy Dunlap2005-10-30
| | | | | | | | | Try to make the INIT_ENV_ARG_LIMIT help text more readable and understandable. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuild Linus Torvalds2005-09-06
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| * [PATCH] kbuild: automatically append a short string to the version based ↵Ryan Anderson2005-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | upon the git commit If CONFIG_AUTO_LOCALVERSION is set, the user is using a git-based tree, and the current HEAD is not referred to by any tags in .git/refs/tags/, append -g and the first 8 characters of the commit to the version string. This makes it easier to use git-bisect, and/or to do a daily build, without trampling on your older, working builds, or accidentally setting up conflicting sets of modules. Signed-off-by: Ryan Anderson <ryan@michonline.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kconfig: move initramfs options to General SetupSam Ravnborg2005-08-10
| | | | | | | | | | | | | | | | | | Move initramfs options from Device Drivers | Block Drivers to General Setup This is a more natural place for this option. Furthermore separate out intramfs options to usr/Kconfig Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * [PATCH] kallsyms: clarify KALLSYMS_ALL help textJesper Juhl2005-07-26
| | | | | | | | | | | | Clarify the KALLSYMS_ALL help text slightly. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
* | [PATCH] kernel/cpuset.c: add kerneldoc, fix typosRandy Dunlap2005-07-27
|/ | | | | | | | | | | Add kerneldoc to kernel/cpuset.c Fix cpuset typos in init/Kconfig Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [SPARC64]: Add syscall auditing support.David S. Miller2005-07-10
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.gitDavid Woodhouse2005-06-02
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| * [PATCH] uml: add modversions supportPaolo 'Blaisorblade' Giarrusso2005-05-28
| | | | | | | | | | | | | | | | | | Actually, the real support was added by some earlier patches. Now we simply re-enable the config. option. I've actually tested it and it works well. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Audit requires CONFIG_NETChris Wright2005-05-11
| | | | | | | | | | | | | | | | Audit now actually requires netlink. So make it depend on CONFIG_NET, and remove the inline dependencies on CONFIG_NET. Signed-off-by: Chris Wright <chrisw@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* | Add CONFIG_AUDITSC and CONFIG_SECCOMP support for ppc32David Woodhouse2005-05-08
|/ | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.gitDavid Woodhouse2005-05-03
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| * [PATCH] clean up kernel messagesMatt Mackall2005-05-01
| | | | | | | | | | | | | | | | | | | | | | | | Arrange for all kernel printks to be no-ops. Only available if CONFIG_EMBEDDED. This patch saves about 375k on my laptop config and nearly 100k on minimal configs. Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * [PATCH] remove all kernel BUGsMatt Mackall2005-05-01
| | | | | | | | | | | | | | | | | | This patch eliminates all kernel BUGs, trims about 35k off the typical kernel, and makes the system slightly faster. Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [AUDIT] Update UML audit-syscall-{entry,exit} calls to new prototypesJeff Dike2005-05-03
|/ | | | | | | | | | | | This patch is for -mm only. It should probably be included in git-audit, and should be forwarded to Linus iff git-audit is. It updates the audit-syscall-{entry,exit} calls to current -mm. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-16
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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