On Wed, Sep 30, 2015 at 04:17:44PM +0200, Vlastimil Babka wrote:
> >---
> > mm/page_alloc.c | 11 ++++++++---
> > 1 file changed, 8 insertions(+), 3 deletions(-)
> >
> >diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> >index 25731624d734..fedec98aafca 100644
> >--- a/mm/page_alloc.c
> >+++ b/mm/page_alloc.c
> >@@ -2332,7 +2332,7 @@ static bool __zone_watermark_ok(struct zone *z,
> >unsigned int order,
> > {
> > long min = mark;
> > int o;
> >- const bool alloc_harder = (alloc_flags & ALLOC_HARDER);
> >+ const int alloc_harder = (alloc_flags & ALLOC_HARDER);
>
> How bout the !!(alloc_flags & ALLOC_HARDER) conversion to bool? Unless it
> forces to make the compiler some extra work...
>
Some people frown upon that trick as being obscure when it's not unnecessary
and a modern compiler is meant to get it right. The int is clear and
obvious in this context so I just went with it.
--
Mel Gorman
SUSE Labs
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