Re: [PATCH 17 of 66] add pmd mangling generic functions

[Linus Torvalds]

On Fri, Nov 26, 2010 at 2:35 AM, Andrea Arcangeli <aarcange@xxxxxxxxxx> wrote:
> On Thu, Nov 18, 2010 at 09:32:36AM -0800, Linus Torvalds wrote:
>> I dunno. Those macros are _way_ too big and heavy to be macros or
>> inline functions. Why aren't pmdp_splitting_flush() etc just
>> functions?
>
> That's because ptep_clear_flush and everything else in that file named
> with ptep_* and doing expensive tlb flushes was a macro.

That may be, and you needn't necessarily clean up old use (although
that might be nice as a separate thing), but I wish we didn't make
what is already messy bigger and messier.

         Linus
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