Messages in this thread | | | Date | Mon, 29 Jul 2013 16:41:06 -0700 (PDT) | Subject | Re: [PATCH] mm: Fix the TLB range flushed when __tlb_remove_page() runs out of slots | From | David Miller <> |
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From: Vineet Gupta <Vineet.Gupta1@synopsys.com> Date: Wed, 29 May 2013 18:26:13 +0530
> zap_pte_range loops from @addr to @end. In the middle, if it runs out of > batching slots, TLB entries needs to be flushed for @start to @interim, > NOT @interim to @end. > > Since ARC port doesn't use page free batching I can't test it myself but > this seems like the right thing to do. > Observed this when working on a fix for the issue at thread: > http://www.spinics.net/lists/linux-arch/msg21736.html > > Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
As this bug can cause pretty serious memory corruption, I'd like to see this submitted to -stable.
Thanks!
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