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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 17:31:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 17:31:36 -0700 |
| commit | 0fc0531e0a2174377a86fd6953ecaa00287d8f70 (patch) | |
| tree | afe56978729300df96b002a064c9de927fadcfab /mm/Kconfig | |
| parent | 91b745016c12d440386c40fb76ab69c8e08cbc06 (diff) | |
| parent | 9329ba9704f6bd51a735982e0d4a3eed72c3294f (diff) | |
| download | lwn-0fc0531e0a2174377a86fd6953ecaa00287d8f70.tar.gz lwn-0fc0531e0a2174377a86fd6953ecaa00287d8f70.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
percpu: update comments to reflect that percpu allocations are always zero-filled
percpu: Optimize __get_cpu_var()
x86, percpu: Optimize this_cpu_ptr
percpu: clear memory allocated with the km allocator
percpu: fix build breakage on s390 and cleanup build configuration tests
percpu: use percpu allocator on UP too
percpu: reduce PCPU_MIN_UNIT_SIZE to 32k
vmalloc: pcpu_get/free_vm_areas() aren't needed on UP
Fixed up trivial conflicts in include/linux/percpu.h
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index f0fb9124e410..c2c8a4a11898 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -301,3 +301,11 @@ config NOMMU_INITIAL_TRIM_EXCESS of 1 says that all excess pages should be trimmed. See Documentation/nommu-mmap.txt for more information. + +# +# UP and nommu archs use km based percpu allocator +# +config NEED_PER_CPU_KM + depends on !SMP + bool + default y |