Messages in this thread | | | Date | Tue, 20 Apr 2004 15:03:53 +0200 | From | Pavel Machek <> | Subject | Re: why change_page_attr on x86 uses __flush_tlb_all |
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Hi!
> > I would expect __flush_tlb_one (for each page) as a better choice. > > It'll be nice if someone can hoghlight on why __flush_tlb_all is used. > > The kernel version I am referring from is 2.4.18-14 > > This works around a bug in some early Athlons with flushing global > large pages. Also it makes the code slightly simpler and change_page_attr > is not really performance critical.
Perhaps comment should be added? Otherwise someone is going to "fix" it sooner or later. -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms
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