[RFC PATCH 2/3] mm: Return bool from pagebit test functions

[Matthew Wilcox]

On Fri, Apr 09, 2021 at 11:59:17AM +0100, David Howells wrote:
> Make functions that test page bits return a bool, not an int.  This means
> that the value is definitely 0 or 1 if they're used in arithmetic, rather
> than rely on test_bit() and friends to return this (though they probably
> should).

iirc i looked at doing this as part of the folio work, and it ended up
increasing the size of the kernel.  Did you run bloat-o-meter on the
result of doing this?