diff options
Diffstat (limited to 'include/linux/gfp.h')
| -rw-r--r-- | include/linux/gfp.h | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index d5e542b38..455a1dec9 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -37,9 +37,7 @@ struct vm_area_struct; #define ___GFP_WRITE 0x1000000u #define ___GFP_SLOWHIGHMEM 0x2000000u #define ___GFP_NOMTKPASR 0x4000000u -#if defined(CONFIG_CMA) && defined(CONFIG_MTK_SVP) -#define ___GFP_NOZONECMA 0x8000000u -#endif +#define ___GFP_CMA 0x8000000u /* If the above are modified, __GFP_BITS_SHIFT may need updating */ /* @@ -99,9 +97,7 @@ struct vm_area_struct; #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */ #define __GFP_SLOWHIGHMEM ((__force gfp_t)___GFP_SLOWHIGHMEM) /* use highmem only in slowpath */ #define __GFP_NOMTKPASR ((__force gfp_t)___GFP_NOMTKPASR) /* Memory allocation can't be extended to MTKPASR-imposed range */ -#if defined(CONFIG_CMA) && defined(CONFIG_MTK_SVP) -#define __GFP_NOZONECMA ((__force gfp_t)___GFP_NOZONECMA) /* Memory allocation can't be extended to ZONE CMA */ -#endif +#define __GFP_CMA ((__force gfp_t)___GFP_CMA) /* ZONE_MOVABLE need this flag to allocate in */ /* * This may seem redundant, but it's a way of annotating false positives vs. @@ -109,11 +105,7 @@ struct vm_area_struct; */ #define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK) -#if !defined(CONFIG_CMA) || !defined(CONFIG_MTK_SVP) -#define __GFP_BITS_SHIFT 27 /* Room for N __GFP_FOO bits */ -#else #define __GFP_BITS_SHIFT 28 /* Room for N __GFP_FOO bits */ -#endif #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) /* This equals 0, but use constants in case they ever change */ @@ -298,10 +290,12 @@ static inline enum zone_type gfp_zone(gfp_t flags) ((1 << ZONES_SHIFT) - 1); VM_BUG_ON((GFP_ZONE_BAD >> bit) & 1); -#if defined(CONFIG_CMA) && defined(CONFIG_MTK_SVP) - if ((flags & __GFP_NOZONECMA) && is_zone_cma_idx(z)) - z = ZONE_MOVABLE; -#endif + /* used for limit - only the flags with __GFP_CMA can go into ZONE_MOVABLE */ + + /* do not allocate at ZONE_MOVABLE without __GFP_CMA */ + if (IS_ENABLED(CONFIG_ZONE_MOVABLE_CMA)) + if (z == ZONE_MOVABLE && !(flags & __GFP_CMA)) + z -= 1; return z; } |