From: Pasha Tatashin <pasha.tatas...@oracle.com> 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.
