diff options
Diffstat (limited to 'include/linux/gfp.h')
| -rw-r--r-- | include/linux/gfp.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 2a2153ebfe0b..a0992d392d79 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -85,6 +85,21 @@ static inline int gfp_zone(gfp_t gfp) return zone; } +static inline enum zone_type highest_zone(gfp_t flags) +{ + if (flags & __GFP_DMA) + return ZONE_DMA; +#ifdef CONFIG_ZONE_DMA32 + if (flags & __GFP_DMA32) + return ZONE_DMA32; +#endif +#ifdef CONFIG_HIGHMEM + if (flags & __GFP_HIGHMEM) + return ZONE_HIGHMEM; +#endif + return ZONE_NORMAL; +} + /* * There is only one page-allocator function, and two main namespaces to * it. The alloc_page*() variants return 'struct page *' and as such |