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x86/doc: Fix the 'tlb_single_page_flush_ceiling' sysconfig path 

Fix the documented sysconfig location of 'tlb_single_page_flush_ceiling'
which is under /sys/kernel/debug/... not /sys/debug/kernel/...

Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Link: http://lkml.kernel.org/r/1407484195-1441-1-git-send-email-jmmahler@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Jeremiah Mahler 2014-08-08 00:49:55 -07:00 committed by Ingo Molnar
parent 86426851c3
commit 129ea00594
1 changed files with 1 additions and 1 deletions
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Documentation/x86/tlb.txt
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@ -35,7 +35,7 @@ invlpg instruction (or instructions _near_ it) show up high in
profiles. If you believe that individual invalidations being
called too often, you can lower the tunable:
/sys/debug/kernel/x86/tlb_single_page_flush_ceiling
/sys/kernel/debug/x86/tlb_single_page_flush_ceiling
This will cause us to do the global flush for more cases.
Lowering it to 0 will disable the use of the individual flushes.