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maps4: make page monitoring /proc file optional

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Make /proc/ page monitoring configurable

This puts the following files under an embedded config option:

/proc/pid/clear_refs
/proc/pid/smaps
/proc/pid/pagemap
/proc/kpagecount
/proc/kpageflags

[[email protected]: Kconfig fix]
Signed-off-by: Matt Mackall <[email protected]>
Cc: Dave Hansen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Matt Mackall 2008-02-04 22:29:07 -08:00 • committed by Linus Torvalds
commit 1e88328111
5 changed files with 20 additions and 3 deletions
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10
init/Kconfig
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@ -678,6 +678,16 @@ config MARKERS
source "arch/Kconfig"
config PROC_PAGE_MONITOR
default y
depends on PROC_FS && MMU
bool "Enable /proc page monitoring" if EMBEDDED
help
Various /proc files exist to monitor process memory utilization:
/proc/pid/smaps, /proc/pid/clear_refs, /proc/pid/pagemap,
/proc/kpagecount, and /proc/kpageflags. Disabling these
interfaces will reduce the size of the kernel by approximately 4kb.
endmenu # General setup
config SLABINFO