| 2,7 → 2,7 |
|---|
| #define __LINUX_GFP_H |
| |
| #include <linux/mmdebug.h> |
| #include <linux/types.h> |
| #include <linux/mmzone.h> |
| #include <linux/stddef.h> |
| #include <linux/linkage.h> |
| |
| 29,7 → 29,7 |
|---|
| #define ___GFP_HARDWALL 0x20000u |
| #define ___GFP_THISNODE 0x40000u |
| #define ___GFP_ATOMIC 0x80000u |
| #define ___GFP_NOACCOUNT 0x100000u |
| #define ___GFP_ACCOUNT 0x100000u |
| #define ___GFP_NOTRACK 0x200000u |
| #define ___GFP_DIRECT_RECLAIM 0x400000u |
| #define ___GFP_OTHER_NODE 0x800000u |
| 72,11 → 72,15 |
|---|
| * |
| * __GFP_THISNODE forces the allocation to be satisified from the requested |
| * node with no fallbacks or placement policy enforcements. |
| * |
| * __GFP_ACCOUNT causes the allocation to be accounted to kmemcg (only relevant |
| * to kmem allocations). |
| */ |
| #define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE) |
| #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) |
| #define __GFP_HARDWALL ((__force gfp_t)___GFP_HARDWALL) |
| #define __GFP_THISNODE ((__force gfp_t)___GFP_THISNODE) |
| #define __GFP_ACCOUNT ((__force gfp_t)___GFP_ACCOUNT) |
| |
| /* |
| * Watermark modifiers -- controls access to emergency reserves |
| 103,7 → 107,6 |
|---|
| #define __GFP_HIGH ((__force gfp_t)___GFP_HIGH) |
| #define __GFP_MEMALLOC ((__force gfp_t)___GFP_MEMALLOC) |
| #define __GFP_NOMEMALLOC ((__force gfp_t)___GFP_NOMEMALLOC) |
| #define __GFP_NOACCOUNT ((__force gfp_t)___GFP_NOACCOUNT) |
| |
| /* |
| * Reclaim modifiers |
| 196,6 → 199,9 |
|---|
| * GFP_KERNEL is typical for kernel-internal allocations. The caller requires |
| * ZONE_NORMAL or a lower zone for direct access but can direct reclaim. |
| * |
| * GFP_KERNEL_ACCOUNT is the same as GFP_KERNEL, except the allocation is |
| * accounted to kmemcg. |
| * |
| * GFP_NOWAIT is for kernel allocations that should not stall for direct |
| * reclaim, start physical IO or use any filesystem callback. |
| * |
| 235,6 → 241,7 |
|---|
| */ |
| #define GFP_ATOMIC (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM) |
| #define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS) |
| #define GFP_KERNEL_ACCOUNT (GFP_KERNEL | __GFP_ACCOUNT) |
| #define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM) |
| #define GFP_NOIO (__GFP_RECLAIM) |
| #define GFP_NOFS (__GFP_RECLAIM | __GFP_IO) |
| 249,16 → 256,9 |
|---|
| __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN) & \ |
| ~__GFP_KSWAPD_RECLAIM) |
| |
| /* Convert GFP flags to their corresponding migrate type */ |
| #define GFP_MOVABLE_MASK (__GFP_RECLAIMABLE|__GFP_MOVABLE) |
| #define GFP_MOVABLE_SHIFT 3 |
| |
| #undef GFP_MOVABLE_MASK |
| #undef GFP_MOVABLE_SHIFT |
| |
| static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags) |
| { |
| return (bool __force)(gfp_flags & __GFP_DIRECT_RECLAIM); |
| return !!(gfp_flags & __GFP_DIRECT_RECLAIM); |
| } |
| |
| #ifdef CONFIG_HIGHMEM |