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Date:	Sat, 12 Nov 2011 19:59:44 -0500
From:	Xin Tong <xerox.time.tech@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: INVLPG Instruction

Hello

  When a process has a page fault and Linux swaps out a page ( no more
free page ) from another process and give it to the page-faulting
process. Typically a INVLPG is used to invalidate entries  in the TLB.
I would like to know whether INVLPG is global ( i.e. across all cores
)? How does the process which Linux stole the page from get informed (
how is its tlb invalidated) ?

Thanks
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