Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH v4 0/8] Multibyte memset variations | Date | Tue, 25 Jul 2017 15:27:38 +1000 |
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Matthew Wilcox <willy@infradead.org> writes:
> From: Matthew Wilcox <mawilcox@microsoft.com> > > A relatively common idiom we're missing is a function to fill an area > of memory with a pattern which is larger than a single byte. I first > noticed this with a zram patch which wanted to fill a page with an > 'unsigned long' value. There turn out to be quite a few places in > the kernel which can benefit from using an optimised function rather > than a loop; sometimes text size, sometimes speed, and sometimes both. > The optimised PowerPC version (not included here) improves performance > by about 30% on POWER8 on just the raw memset_l().
Is the plan that Andrew will merge this series, or are you planning to put them in a tree of yours?
cheers
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