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config: Adding the new config parameter CONFIG_PROVE_LOCKING_SMALL for sparc

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This new config parameter limits the space used for "Lock debugging:
prove locking correctness" by about 4MB. The current sparc systems have
the limitation of 32MB size for kernel size including .text, .data and
.bss sections. With PROVE_LOCKING feature, the kernel size could grow
beyond this limit and causing system boot-up issues. With this option,
kernel limits the size of the entries of lock_chains, stack_trace etc.,
so that kernel fits in required size limit. This is not visible to user
and only used for sparc.

Signed-off-by: Babu Moger <[email protected]>
Acked-by: Sam Ravnborg <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Babu Moger 2016-11-02 09:36:32 -07:00 • committed by David S. Miller
commit e6b5f1be7a
2 changed files with 4 additions and 0 deletions
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1
arch/sparc/Kconfig
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@ -43,6 +43,7 @@ config SPARC
select ARCH_HAS_SG_CHAIN
select CPU_NO_EFFICIENT_FFS
select HAVE_ARCH_HARDENED_USERCOPY
select PROVE_LOCKING_SMALL if PROVE_LOCKING
config SPARC32
def_bool !64BIT