On Thu, 24 Apr 2014 08:10:19 +1000 Stephen Rothwell <[email protected]> wrote:
> Hi all, > > On Wed, 23 Apr 2014 11:24:42 -0700 Andrew Morton <[email protected]> > wrote: > > > > I'll try moving hugepages_supported() into the #ifdef > > CONFIG_HUGETLB_PAGE section. > > > > --- > > a/include/linux/hugetlb.h~hugetlb-ensure-hugepage-access-is-denied-if-hugepages-are-not-supported-fix-fix > > +++ a/include/linux/hugetlb.h > > @@ -412,6 +412,16 @@ static inline spinlock_t *huge_pte_lockp > > return &mm->page_table_lock; > > } > > > > +static inline bool hugepages_supported(void) > > +{ > > + /* > > + * Some platform decide whether they support huge pages at boot > > + * time. On these, such as powerpc, HPAGE_SHIFT is set to 0 when > > + * there is no such support > > + */ > > + return HPAGE_SHIFT != 0; > > +} > > + > > #else /* CONFIG_HUGETLB_PAGE */ > > struct hstate {}; > > #define alloc_huge_page_node(h, nid) NULL > > @@ -460,14 +470,4 @@ static inline spinlock_t *huge_pte_lock( > > return ptl; > > } > > > > -static inline bool hugepages_supported(void) > > -{ > > - /* > > - * Some platform decide whether they support huge pages at boot > > - * time. On these, such as powerpc, HPAGE_SHIFT is set to 0 when > > - * there is no such support > > - */ > > - return HPAGE_SHIFT != 0; > > -} > > - > > #endif /* _LINUX_HUGETLB_H */ > > Clearly, noone reads my emails :-( > Stephen who? Oh, that guy who sends stuff first then comes last when others use LIFO :) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
