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authorAlex Shi <alex.shi@intel.com>2012-06-28 09:02:20 +0800
committerH. Peter Anvin <hpa@zytor.com>2012-06-27 19:29:10 -0700
commit3df3212f9722c7e45c723b9ea231a04ba4dbc47c (patch)
treecb93a81efb12b91813ed69e86bc5be24ca31de9d /include/asm-generic
parentc4211f42d3e66875298a5e26a75109878c80f15b (diff)
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x86/tlb: add tlb_flushall_shift knob into debugfs
kernel will replace cr3 rewrite with invlpg when tlb_flush_entries <= active_tlb_entries / 2^tlb_flushall_factor if tlb_flushall_factor is -1, kernel won't do this replacement. User can modify its value according to specific CPU/applications. Thanks for Borislav providing the help message of CONFIG_DEBUG_TLBFLUSH. Signed-off-by: Alex Shi <alex.shi@intel.com> Link: http://lkml.kernel.org/r/1340845344-27557-6-git-send-email-alex.shi@intel.com Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/asm-generic')
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