1 #include <linux/node.h> 2 #include <linux/mmzone.h> 3 #include <linux/compaction.h> 4 /* 5 * The order of these masks is important. Matching masks will be seen 6 * first and the left over flags will end up showing by themselves. 7 * 8 * For example, if we have GFP_KERNEL before GFP_USER we wil get: 9 * 10 * GFP_KERNEL|GFP_HARDWALL 11 * 12 * Thus most bits set go first. 13 */ 14 15 #define __def_gfpflag_names \ 16 {(unsigned long)GFP_TRANSHUGE, "GFP_TRANSHUGE"}, \ 17 {(unsigned long)GFP_TRANSHUGE_LIGHT, "GFP_TRANSHUGE_LIGHT"}, \ 18 {(unsigned long)GFP_HIGHUSER_MOVABLE, "GFP_HIGHUSER_MOVABLE"},\ 19 {(unsigned long)GFP_HIGHUSER, "GFP_HIGHUSER"}, \ 20 {(unsigned long)GFP_USER, "GFP_USER"}, \ 21 {(unsigned long)GFP_KERNEL_ACCOUNT, "GFP_KERNEL_ACCOUNT"}, \ 22 {(unsigned long)GFP_KERNEL, "GFP_KERNEL"}, \ 23 {(unsigned long)GFP_NOFS, "GFP_NOFS"}, \ 24 {(unsigned long)GFP_ATOMIC, "GFP_ATOMIC"}, \ 25 {(unsigned long)GFP_NOIO, "GFP_NOIO"}, \ 26 {(unsigned long)GFP_NOWAIT, "GFP_NOWAIT"}, \ 27 {(unsigned long)GFP_DMA, "GFP_DMA"}, \ 28 {(unsigned long)__GFP_HIGHMEM, "__GFP_HIGHMEM"}, \ 29 {(unsigned long)GFP_DMA32, "GFP_DMA32"}, \ 30 {(unsigned long)__GFP_HIGH, "__GFP_HIGH"}, \ 31 {(unsigned long)__GFP_ATOMIC, "__GFP_ATOMIC"}, \ 32 {(unsigned long)__GFP_IO, "__GFP_IO"}, \ 33 {(unsigned long)__GFP_FS, "__GFP_FS"}, \ 34 {(unsigned long)__GFP_COLD, "__GFP_COLD"}, \ 35 {(unsigned long)__GFP_NOWARN, "__GFP_NOWARN"}, \ 36 {(unsigned long)__GFP_RETRY_MAYFAIL, "__GFP_RETRY_MAYFAIL"}, \ 37 {(unsigned long)__GFP_NOFAIL, "__GFP_NOFAIL"}, \ 38 {(unsigned long)__GFP_NORETRY, "__GFP_NORETRY"}, \ 39 {(unsigned long)__GFP_COMP, "__GFP_COMP"}, \ 40 {(unsigned long)__GFP_ZERO, "__GFP_ZERO"}, \ 41 {(unsigned long)__GFP_NOMEMALLOC, "__GFP_NOMEMALLOC"}, \ 42 {(unsigned long)__GFP_MEMALLOC, "__GFP_MEMALLOC"}, \ 43 {(unsigned long)__GFP_HARDWALL, "__GFP_HARDWALL"}, \ 44 {(unsigned long)__GFP_THISNODE, "__GFP_THISNODE"}, \ 45 {(unsigned long)__GFP_RECLAIMABLE, "__GFP_RECLAIMABLE"}, \ 46 {(unsigned long)__GFP_MOVABLE, "__GFP_MOVABLE"}, \ 47 {(unsigned long)__GFP_ACCOUNT, "__GFP_ACCOUNT"}, \ 48 {(unsigned long)__GFP_NOTRACK, "__GFP_NOTRACK"}, \ 49 {(unsigned long)__GFP_WRITE, "__GFP_WRITE"}, \ 50 {(unsigned long)__GFP_RECLAIM, "__GFP_RECLAIM"}, \ 51 {(unsigned long)__GFP_DIRECT_RECLAIM, "__GFP_DIRECT_RECLAIM"},\ 52 {(unsigned long)__GFP_KSWAPD_RECLAIM, "__GFP_KSWAPD_RECLAIM"}\ 53 54 #define show_gfp_flags(flags) \ 55 (flags) ? __print_flags(flags, "|", \ 56 __def_gfpflag_names \ 57 ) : "none" 58 59 #ifdef CONFIG_MMU 60 #define IF_HAVE_PG_MLOCK(flag,string) ,{1UL << flag, string} 61 #else 62 #define IF_HAVE_PG_MLOCK(flag,string) 63 #endif 64 65 #ifdef CONFIG_ARCH_USES_PG_UNCACHED 66 #define IF_HAVE_PG_UNCACHED(flag,string) ,{1UL << flag, string} 67 #else 68 #define IF_HAVE_PG_UNCACHED(flag,string) 69 #endif 70 71 #ifdef CONFIG_MEMORY_FAILURE 72 #define IF_HAVE_PG_HWPOISON(flag,string) ,{1UL << flag, string} 73 #else 74 #define IF_HAVE_PG_HWPOISON(flag,string) 75 #endif 76 77 #if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT) 78 #define IF_HAVE_PG_IDLE(flag,string) ,{1UL << flag, string} 79 #else 80 #define IF_HAVE_PG_IDLE(flag,string) 81 #endif 82 83 #define __def_pageflag_names \ 84 {1UL << PG_locked, "locked" }, \ 85 {1UL << PG_waiters, "waiters" }, \ 86 {1UL << PG_error, "error" }, \ 87 {1UL << PG_referenced, "referenced" }, \ 88 {1UL << PG_uptodate, "uptodate" }, \ 89 {1UL << PG_dirty, "dirty" }, \ 90 {1UL << PG_lru, "lru" }, \ 91 {1UL << PG_active, "active" }, \ 92 {1UL << PG_slab, "slab" }, \ 93 {1UL << PG_owner_priv_1, "owner_priv_1" }, \ 94 {1UL << PG_arch_1, "arch_1" }, \ 95 {1UL << PG_reserved, "reserved" }, \ 96 {1UL << PG_private, "private" }, \ 97 {1UL << PG_private_2, "private_2" }, \ 98 {1UL << PG_writeback, "writeback" }, \ 99 {1UL << PG_head, "head" }, \ 100 {1UL << PG_mappedtodisk, "mappedtodisk" }, \ 101 {1UL << PG_reclaim, "reclaim" }, \ 102 {1UL << PG_swapbacked, "swapbacked" }, \ 103 {1UL << PG_unevictable, "unevictable" } \ 104 IF_HAVE_PG_MLOCK(PG_mlocked, "mlocked" ) \ 105 IF_HAVE_PG_UNCACHED(PG_uncached, "uncached" ) \ 106 IF_HAVE_PG_HWPOISON(PG_hwpoison, "hwpoison" ) \ 107 IF_HAVE_PG_IDLE(PG_young, "young" ) \ 108 IF_HAVE_PG_IDLE(PG_idle, "idle" ) 109 110 #define show_page_flags(flags) \ 111 (flags) ? __print_flags(flags, "|", \ 112 __def_pageflag_names \ 113 ) : "none" 114 115 #if defined(CONFIG_X86) 116 #define __VM_ARCH_SPECIFIC_1 {VM_PAT, "pat" } 117 #elif defined(CONFIG_PPC) 118 #define __VM_ARCH_SPECIFIC_1 {VM_SAO, "sao" } 119 #elif defined(CONFIG_PARISC) || defined(CONFIG_METAG) || defined(CONFIG_IA64) 120 #define __VM_ARCH_SPECIFIC_1 {VM_GROWSUP, "growsup" } 121 #elif !defined(CONFIG_MMU) 122 #define __VM_ARCH_SPECIFIC_1 {VM_MAPPED_COPY,"mappedcopy" } 123 #else 124 #define __VM_ARCH_SPECIFIC_1 {VM_ARCH_1, "arch_1" } 125 #endif 126 127 #ifdef CONFIG_MEM_SOFT_DIRTY 128 #define IF_HAVE_VM_SOFTDIRTY(flag,name) {flag, name }, 129 #else 130 #define IF_HAVE_VM_SOFTDIRTY(flag,name) 131 #endif 132 133 #define __def_vmaflag_names \ 134 {VM_READ, "read" }, \ 135 {VM_WRITE, "write" }, \ 136 {VM_EXEC, "exec" }, \ 137 {VM_SHARED, "shared" }, \ 138 {VM_MAYREAD, "mayread" }, \ 139 {VM_MAYWRITE, "maywrite" }, \ 140 {VM_MAYEXEC, "mayexec" }, \ 141 {VM_MAYSHARE, "mayshare" }, \ 142 {VM_GROWSDOWN, "growsdown" }, \ 143 {VM_UFFD_MISSING, "uffd_missing" }, \ 144 {VM_PFNMAP, "pfnmap" }, \ 145 {VM_DENYWRITE, "denywrite" }, \ 146 {VM_UFFD_WP, "uffd_wp" }, \ 147 {VM_LOCKED, "locked" }, \ 148 {VM_IO, "io" }, \ 149 {VM_SEQ_READ, "seqread" }, \ 150 {VM_RAND_READ, "randread" }, \ 151 {VM_DONTCOPY, "dontcopy" }, \ 152 {VM_DONTEXPAND, "dontexpand" }, \ 153 {VM_LOCKONFAULT, "lockonfault" }, \ 154 {VM_ACCOUNT, "account" }, \ 155 {VM_NORESERVE, "noreserve" }, \ 156 {VM_HUGETLB, "hugetlb" }, \ 157 __VM_ARCH_SPECIFIC_1 , \ 158 {VM_WIPEONFORK, "wipeonfork" }, \ 159 {VM_DONTDUMP, "dontdump" }, \ 160 IF_HAVE_VM_SOFTDIRTY(VM_SOFTDIRTY, "softdirty" ) \ 161 {VM_MIXEDMAP, "mixedmap" }, \ 162 {VM_HUGEPAGE, "hugepage" }, \ 163 {VM_NOHUGEPAGE, "nohugepage" }, \ 164 {VM_MERGEABLE, "mergeable" } \ 165 166 #define show_vma_flags(flags) \ 167 (flags) ? __print_flags(flags, "|", \ 168 __def_vmaflag_names \ 169 ) : "none" 170 171 #ifdef CONFIG_COMPACTION 172 #define COMPACTION_STATUS \ 173 EM( COMPACT_SKIPPED, "skipped") \ 174 EM( COMPACT_DEFERRED, "deferred") \ 175 EM( COMPACT_CONTINUE, "continue") \ 176 EM( COMPACT_SUCCESS, "success") \ 177 EM( COMPACT_PARTIAL_SKIPPED, "partial_skipped") \ 178 EM( COMPACT_COMPLETE, "complete") \ 179 EM( COMPACT_NO_SUITABLE_PAGE, "no_suitable_page") \ 180 EM( COMPACT_NOT_SUITABLE_ZONE, "not_suitable_zone") \ 181 EMe(COMPACT_CONTENDED, "contended") 182 183 /* High-level compaction status feedback */ 184 #define COMPACTION_FAILED 1 185 #define COMPACTION_WITHDRAWN 2 186 #define COMPACTION_PROGRESS 3 187 188 #define compact_result_to_feedback(result) \ 189 ({ \ 190 enum compact_result __result = result; \ 191 (compaction_failed(__result)) ? COMPACTION_FAILED : \ 192 (compaction_withdrawn(__result)) ? COMPACTION_WITHDRAWN : COMPACTION_PROGRESS; \ 193 }) 194 195 #define COMPACTION_FEEDBACK \ 196 EM(COMPACTION_FAILED, "failed") \ 197 EM(COMPACTION_WITHDRAWN, "withdrawn") \ 198 EMe(COMPACTION_PROGRESS, "progress") 199 200 #define COMPACTION_PRIORITY \ 201 EM(COMPACT_PRIO_SYNC_FULL, "COMPACT_PRIO_SYNC_FULL") \ 202 EM(COMPACT_PRIO_SYNC_LIGHT, "COMPACT_PRIO_SYNC_LIGHT") \ 203 EMe(COMPACT_PRIO_ASYNC, "COMPACT_PRIO_ASYNC") 204 #else 205 #define COMPACTION_STATUS 206 #define COMPACTION_PRIORITY 207 #define COMPACTION_FEEDBACK 208 #endif 209 210 #ifdef CONFIG_ZONE_DMA 211 #define IFDEF_ZONE_DMA(X) X 212 #else 213 #define IFDEF_ZONE_DMA(X) 214 #endif 215 216 #ifdef CONFIG_ZONE_DMA32 217 #define IFDEF_ZONE_DMA32(X) X 218 #else 219 #define IFDEF_ZONE_DMA32(X) 220 #endif 221 222 #ifdef CONFIG_HIGHMEM 223 #define IFDEF_ZONE_HIGHMEM(X) X 224 #else 225 #define IFDEF_ZONE_HIGHMEM(X) 226 #endif 227 228 #define ZONE_TYPE \ 229 IFDEF_ZONE_DMA( EM (ZONE_DMA, "DMA")) \ 230 IFDEF_ZONE_DMA32( EM (ZONE_DMA32, "DMA32")) \ 231 EM (ZONE_NORMAL, "Normal") \ 232 IFDEF_ZONE_HIGHMEM( EM (ZONE_HIGHMEM,"HighMem")) \ 233 EMe(ZONE_MOVABLE,"Movable") 234 235 #define LRU_NAMES \ 236 EM (LRU_INACTIVE_ANON, "inactive_anon") \ 237 EM (LRU_ACTIVE_ANON, "active_anon") \ 238 EM (LRU_INACTIVE_FILE, "inactive_file") \ 239 EM (LRU_ACTIVE_FILE, "active_file") \ 240 EMe(LRU_UNEVICTABLE, "unevictable") 241 242 /* 243 * First define the enums in the above macros to be exported to userspace 244 * via TRACE_DEFINE_ENUM(). 245 */ 246 #undef EM 247 #undef EMe 248 #define EM(a, b) TRACE_DEFINE_ENUM(a); 249 #define EMe(a, b) TRACE_DEFINE_ENUM(a); 250 251 COMPACTION_STATUS 252 COMPACTION_PRIORITY 253 /* COMPACTION_FEEDBACK are defines not enums. Not needed here. */ 254 ZONE_TYPE 255 LRU_NAMES 256 257 /* 258 * Now redefine the EM() and EMe() macros to map the enums to the strings 259 * that will be printed in the output. 260 */ 261 #undef EM 262 #undef EMe 263 #define EM(a, b) {a, b}, 264 #define EMe(a, b) {a, b} 265