Re: [v3 0/9] parallelized "struct page" zeroing

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
Date: Thu, 11 May 2017 16:59:33 -0400

> We should either keep memset() only for deferred struct pages as what
> I have in my patches.
> 
> Another option is to add a new function struct_page_clear() which
> would default to memset() and to something else on platforms that
> decide to optimize it.
> 
> On SPARC it would call STBIs, and we would do one membar call after
> all "struct pages" are initialized.

No membars will be performed for single individual page struct clear,
the cutoff to use the STBI is larger than that.
--
To unsubscribe from this list: send the line "unsubscribe sparclinux" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Kernel Development]     [DCCP]     [Linux ARM Development]     [Linux]     [Photo]     [Yosemite Help]     [Linux ARM Kernel]     [Linux SCSI]     [Linux x86_64]     [Linux Hams]

  Powered by Linux