diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/gfp.h | 39 | ||||
-rw-r--r-- | include/linux/types.h | 9 |
2 files changed, 27 insertions, 21 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 3010e172394d..c3779432a723 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h | |||
@@ -12,8 +12,8 @@ struct vm_area_struct; | |||
12 | * GFP bitmasks.. | 12 | * GFP bitmasks.. |
13 | */ | 13 | */ |
14 | /* Zone modifiers in GFP_ZONEMASK (see linux/mmzone.h - low two bits) */ | 14 | /* Zone modifiers in GFP_ZONEMASK (see linux/mmzone.h - low two bits) */ |
15 | #define __GFP_DMA 0x01u | 15 | #define __GFP_DMA ((__force gfp_t)0x01u) |
16 | #define __GFP_HIGHMEM 0x02u | 16 | #define __GFP_HIGHMEM ((__force gfp_t)0x02u) |
17 | 17 | ||
18 | /* | 18 | /* |
19 | * Action modifiers - doesn't change the zoning | 19 | * Action modifiers - doesn't change the zoning |
@@ -26,24 +26,24 @@ struct vm_area_struct; | |||
26 | * | 26 | * |
27 | * __GFP_NORETRY: The VM implementation must not retry indefinitely. | 27 | * __GFP_NORETRY: The VM implementation must not retry indefinitely. |
28 | */ | 28 | */ |
29 | #define __GFP_WAIT 0x10u /* Can wait and reschedule? */ | 29 | #define __GFP_WAIT ((__force gfp_t)0x10u) /* Can wait and reschedule? */ |
30 | #define __GFP_HIGH 0x20u /* Should access emergency pools? */ | 30 | #define __GFP_HIGH ((__force gfp_t)0x20u) /* Should access emergency pools? */ |
31 | #define __GFP_IO 0x40u /* Can start physical IO? */ | 31 | #define __GFP_IO ((__force gfp_t)0x40u) /* Can start physical IO? */ |
32 | #define __GFP_FS 0x80u /* Can call down to low-level FS? */ | 32 | #define __GFP_FS ((__force gfp_t)0x80u) /* Can call down to low-level FS? */ |
33 | #define __GFP_COLD 0x100u /* Cache-cold page required */ | 33 | #define __GFP_COLD ((__force gfp_t)0x100u) /* Cache-cold page required */ |
34 | #define __GFP_NOWARN 0x200u /* Suppress page allocation failure warning */ | 34 | #define __GFP_NOWARN ((__force gfp_t)0x200u) /* Suppress page allocation failure warning */ |
35 | #define __GFP_REPEAT 0x400u /* Retry the allocation. Might fail */ | 35 | #define __GFP_REPEAT ((__force gfp_t)0x400u) /* Retry the allocation. Might fail */ |
36 | #define __GFP_NOFAIL 0x800u /* Retry for ever. Cannot fail */ | 36 | #define __GFP_NOFAIL ((__force gfp_t)0x800u) /* Retry for ever. Cannot fail */ |
37 | #define __GFP_NORETRY 0x1000u /* Do not retry. Might fail */ | 37 | #define __GFP_NORETRY ((__force gfp_t)0x1000u)/* Do not retry. Might fail */ |
38 | #define __GFP_NO_GROW 0x2000u /* Slab internal usage */ | 38 | #define __GFP_NO_GROW ((__force gfp_t)0x2000u)/* Slab internal usage */ |
39 | #define __GFP_COMP 0x4000u /* Add compound page metadata */ | 39 | #define __GFP_COMP ((__force gfp_t)0x4000u)/* Add compound page metadata */ |
40 | #define __GFP_ZERO 0x8000u /* Return zeroed page on success */ | 40 | #define __GFP_ZERO ((__force gfp_t)0x8000u)/* Return zeroed page on success */ |
41 | #define __GFP_NOMEMALLOC 0x10000u /* Don't use emergency reserves */ | 41 | #define __GFP_NOMEMALLOC ((__force gfp_t)0x10000u) /* Don't use emergency reserves */ |
42 | #define __GFP_NORECLAIM 0x20000u /* No realy zone reclaim during allocation */ | 42 | #define __GFP_NORECLAIM ((__force gfp_t)0x20000u) /* No realy zone reclaim during allocation */ |
43 | #define __GFP_HARDWALL 0x40000u /* Enforce hardwall cpuset memory allocs */ | 43 | #define __GFP_HARDWALL ((__force gfp_t)0x40000u) /* Enforce hardwall cpuset memory allocs */ |
44 | 44 | ||
45 | #define __GFP_BITS_SHIFT 20 /* Room for 20 __GFP_FOO bits */ | 45 | #define __GFP_BITS_SHIFT 20 /* Room for 20 __GFP_FOO bits */ |
46 | #define __GFP_BITS_MASK ((1 << __GFP_BITS_SHIFT) - 1) | 46 | #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) |
47 | 47 | ||
48 | /* if you forget to add the bitmask here kernel will crash, period */ | 48 | /* if you forget to add the bitmask here kernel will crash, period */ |
49 | #define GFP_LEVEL_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS| \ | 49 | #define GFP_LEVEL_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS| \ |
@@ -64,6 +64,7 @@ struct vm_area_struct; | |||
64 | 64 | ||
65 | #define GFP_DMA __GFP_DMA | 65 | #define GFP_DMA __GFP_DMA |
66 | 66 | ||
67 | #define gfp_zone(mask) ((__force int)((mask) & (__force gfp_t)GFP_ZONEMASK)) | ||
67 | 68 | ||
68 | /* | 69 | /* |
69 | * There is only one page-allocator function, and two main namespaces to | 70 | * There is only one page-allocator function, and two main namespaces to |
@@ -94,7 +95,7 @@ static inline struct page *alloc_pages_node(int nid, gfp_t gfp_mask, | |||
94 | return NULL; | 95 | return NULL; |
95 | 96 | ||
96 | return __alloc_pages(gfp_mask, order, | 97 | return __alloc_pages(gfp_mask, order, |
97 | NODE_DATA(nid)->node_zonelists + (gfp_mask & GFP_ZONEMASK)); | 98 | NODE_DATA(nid)->node_zonelists + gfp_zone(gfp_mask)); |
98 | } | 99 | } |
99 | 100 | ||
100 | #ifdef CONFIG_NUMA | 101 | #ifdef CONFIG_NUMA |
diff --git a/include/linux/types.h b/include/linux/types.h index 0aee34f9da9f..21b9ce803644 100644 --- a/include/linux/types.h +++ b/include/linux/types.h | |||
@@ -151,7 +151,12 @@ typedef unsigned long sector_t; | |||
151 | */ | 151 | */ |
152 | 152 | ||
153 | #ifdef __CHECKER__ | 153 | #ifdef __CHECKER__ |
154 | #define __bitwise __attribute__((bitwise)) | 154 | #define __bitwise__ __attribute__((bitwise)) |
155 | #else | ||
156 | #define __bitwise__ | ||
157 | #endif | ||
158 | #ifdef __CHECK_ENDIAN__ | ||
159 | #define __bitwise __bitwise__ | ||
155 | #else | 160 | #else |
156 | #define __bitwise | 161 | #define __bitwise |
157 | #endif | 162 | #endif |
@@ -166,7 +171,7 @@ typedef __u64 __bitwise __be64; | |||
166 | #endif | 171 | #endif |
167 | 172 | ||
168 | #ifdef __KERNEL__ | 173 | #ifdef __KERNEL__ |
169 | typedef unsigned __nocast gfp_t; | 174 | typedef unsigned __bitwise__ gfp_t; |
170 | #endif | 175 | #endif |
171 | 176 | ||
172 | struct ustat { | 177 | struct ustat { |