It is used as a pure bool function within kernel source wide.
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
extern void dissolve_free_huge_pages(unsigned long start_pfn,
unsigned long end_pfn);
extern void dissolve_free_huge_pages(unsigned long start_pfn,
unsigned long end_pfn);
-static inline int hugepage_migration_supported(struct hstate *h)
+static inline bool hugepage_migration_supported(struct hstate *h)
{
#ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
return huge_page_shift(h) == PMD_SHIFT;
#else
{
#ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
return huge_page_shift(h) == PMD_SHIFT;
#else
return page->index;
}
#define dissolve_free_huge_pages(s, e) do {} while (0)
return page->index;
}
#define dissolve_free_huge_pages(s, e) do {} while (0)
-#define hugepage_migration_supported(h) 0
+#define hugepage_migration_supported(h) false
static inline spinlock_t *huge_pte_lockptr(struct hstate *h,
struct mm_struct *mm, pte_t *pte)
static inline spinlock_t *huge_pte_lockptr(struct hstate *h,
struct mm_struct *mm, pte_t *pte)