Re: [PATCH v3 6/7] mm: make clear_huge_page cache clear only around the fault address

From
Andrea Arcangeli <hidden>
Date
2012-08-16 19:42:44
Also in
linux-mips, linux-mm, linuxppc-dev, lkml, sparclinux
Reply to
Kirill A. Shutemov, 2012-08-16
On Thu, Aug 16, 2012 at 09:37:25PM +0300, Kirill A. Shutemov wrote:
On Thu, Aug 16, 2012 at 08:29:44PM +0200, Andrea Arcangeli wrote:
quoted
On Thu, Aug 16, 2012 at 07:43:56PM +0300, Kirill A. Shutemov wrote:
quoted
Hm.. I think with static_key we can avoid cache overhead here. I'll try.
Could you elaborate on the static_key? Is it some sort of self
modifying code?
Runtime code patching. See Documentation/static-keys.txt. We can patch it
on sysctl.
I guessed it had to be patching the code, thanks for the
pointer. It looks a perfect fit for this one agreed.
Thread (13 messages) 13 messages, 3 authors, last reply 2012-08-16
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