1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #include <linux/node.h> 3 #include <linux/mmzone.h> 4 #include <linux/compaction.h> 5 /* 6 * The order of these masks is important. Matching masks will be seen 7 * first and the left over flags will end up showing by themselves. 8 * 9 * For example, if we have GFP_KERNEL before GFP_USER we wil get: 10 * 11 * GFP_KERNEL|GFP_HARDWALL 12 * 13 * Thus most bits set go first. 14 */ 15 16 /* These define the values that are enums (the bits) */ 17 #define TRACE_GFP_FLAGS_GENERAL \ 18 TRACE_GFP_EM(DMA) \ 19 TRACE_GFP_EM(HIGHMEM) \ 20 TRACE_GFP_EM(DMA32) \ 21 TRACE_GFP_EM(MOVABLE) \ 22 TRACE_GFP_EM(RECLAIMABLE) \ 23 TRACE_GFP_EM(HIGH) \ 24 TRACE_GFP_EM(IO) \ 25 TRACE_GFP_EM(FS) \ 26 TRACE_GFP_EM(ZERO) \ 27 TRACE_GFP_EM(DIRECT_RECLAIM) \ 28 TRACE_GFP_EM(KSWAPD_RECLAIM) \ 29 TRACE_GFP_EM(WRITE) \ 30 TRACE_GFP_EM(NOWARN) \ 31 TRACE_GFP_EM(RETRY_MAYFAIL) \ 32 TRACE_GFP_EM(NOFAIL) \ 33 TRACE_GFP_EM(NORETRY) \ 34 TRACE_GFP_EM(MEMALLOC) \ 35 TRACE_GFP_EM(COMP) \ 36 TRACE_GFP_EM(NOMEMALLOC) \ 37 TRACE_GFP_EM(HARDWALL) \ 38 TRACE_GFP_EM(THISNODE) \ 39 TRACE_GFP_EM(ACCOUNT) \ 40 TRACE_GFP_EM(ZEROTAGS) 41 42 #ifdef CONFIG_KASAN_HW_TAGS 43 # define TRACE_GFP_FLAGS_KASAN \ 44 TRACE_GFP_EM(SKIP_ZERO) \ 45 TRACE_GFP_EM(SKIP_KASAN) 46 #else 47 # define TRACE_GFP_FLAGS_KASAN 48 #endif 49 50 #ifdef CONFIG_LOCKDEP 51 # define TRACE_GFP_FLAGS_LOCKDEP \ 52 TRACE_GFP_EM(NOLOCKDEP) 53 #else 54 # define TRACE_GFP_FLAGS_LOCKDEP 55 #endif 56 57 #ifdef CONFIG_SLAB_OBJ_EXT 58 # define TRACE_GFP_FLAGS_SLAB \ 59 TRACE_GFP_EM(NO_OBJ_EXT) 60 #else 61 # define TRACE_GFP_FLAGS_SLAB 62 #endif 63 64 #define TRACE_GFP_FLAGS \ 65 TRACE_GFP_FLAGS_GENERAL \ 66 TRACE_GFP_FLAGS_KASAN \ 67 TRACE_GFP_FLAGS_LOCKDEP \ 68 TRACE_GFP_FLAGS_SLAB 69 70 #undef TRACE_GFP_EM 71 #define TRACE_GFP_EM(a) TRACE_DEFINE_ENUM(___GFP_##a##_BIT); 72 73 TRACE_GFP_FLAGS 74 75 /* Just in case these are ever used */ 76 TRACE_DEFINE_ENUM(___GFP_UNUSED_BIT); 77 TRACE_DEFINE_ENUM(___GFP_LAST_BIT); 78 79 #define gfpflag_string(flag) {(__force unsigned long)flag, #flag} 80 81 /* 82 * For the values that match the bits, use the TRACE_GFP_FLAGS 83 * which will allow any updates to be included automatically. 84 */ 85 #undef TRACE_GFP_EM 86 #define TRACE_GFP_EM(a) gfpflag_string(__GFP_##a), 87 88 #define __def_gfpflag_names \ 89 gfpflag_string(GFP_TRANSHUGE), \ 90 gfpflag_string(GFP_TRANSHUGE_LIGHT), \ 91 gfpflag_string(GFP_HIGHUSER_MOVABLE), \ 92 gfpflag_string(GFP_HIGHUSER), \ 93 gfpflag_string(GFP_USER), \ 94 gfpflag_string(GFP_KERNEL_ACCOUNT), \ 95 gfpflag_string(GFP_KERNEL), \ 96 gfpflag_string(GFP_NOFS), \ 97 gfpflag_string(GFP_ATOMIC), \ 98 gfpflag_string(GFP_NOIO), \ 99 gfpflag_string(GFP_NOWAIT), \ 100 gfpflag_string(GFP_DMA), \ 101 gfpflag_string(GFP_DMA32), \ 102 gfpflag_string(__GFP_RECLAIM), \ 103 TRACE_GFP_FLAGS \ 104 { 0, NULL } 105 106 #define show_gfp_flags(flags) \ 107 (flags) ? __print_flags(flags, "|", __def_gfpflag_names \ 108 ) : "none" 109 110 #ifdef CONFIG_MMU 111 #define IF_HAVE_PG_MLOCK(_name) ,{1UL << PG_##_name, __stringify(_name)} 112 #else 113 #define IF_HAVE_PG_MLOCK(_name) 114 #endif 115 116 #ifdef CONFIG_MEMORY_FAILURE 117 #define IF_HAVE_PG_HWPOISON(_name) ,{1UL << PG_##_name, __stringify(_name)} 118 #else 119 #define IF_HAVE_PG_HWPOISON(_name) 120 #endif 121 122 #if defined(CONFIG_PAGE_IDLE_FLAG) && defined(CONFIG_64BIT) 123 #define IF_HAVE_PG_IDLE(_name) ,{1UL << PG_##_name, __stringify(_name)} 124 #else 125 #define IF_HAVE_PG_IDLE(_name) 126 #endif 127 128 #ifdef CONFIG_ARCH_USES_PG_ARCH_2 129 #define IF_HAVE_PG_ARCH_2(_name) ,{1UL << PG_##_name, __stringify(_name)} 130 #else 131 #define IF_HAVE_PG_ARCH_2(_name) 132 #endif 133 134 #ifdef CONFIG_ARCH_USES_PG_ARCH_3 135 #define IF_HAVE_PG_ARCH_3(_name) ,{1UL << PG_##_name, __stringify(_name)} 136 #else 137 #define IF_HAVE_PG_ARCH_3(_name) 138 #endif 139 140 #define DEF_PAGEFLAG_NAME(_name) { 1UL << PG_##_name, __stringify(_name) } 141 142 #define __def_pageflag_names \ 143 DEF_PAGEFLAG_NAME(locked), \ 144 DEF_PAGEFLAG_NAME(waiters), \ 145 DEF_PAGEFLAG_NAME(referenced), \ 146 DEF_PAGEFLAG_NAME(uptodate), \ 147 DEF_PAGEFLAG_NAME(dirty), \ 148 DEF_PAGEFLAG_NAME(lru), \ 149 DEF_PAGEFLAG_NAME(active), \ 150 DEF_PAGEFLAG_NAME(workingset), \ 151 DEF_PAGEFLAG_NAME(owner_priv_1), \ 152 DEF_PAGEFLAG_NAME(owner_2), \ 153 DEF_PAGEFLAG_NAME(arch_1), \ 154 DEF_PAGEFLAG_NAME(reserved), \ 155 DEF_PAGEFLAG_NAME(private), \ 156 DEF_PAGEFLAG_NAME(private_2), \ 157 DEF_PAGEFLAG_NAME(writeback), \ 158 DEF_PAGEFLAG_NAME(head), \ 159 DEF_PAGEFLAG_NAME(reclaim), \ 160 DEF_PAGEFLAG_NAME(swapbacked), \ 161 DEF_PAGEFLAG_NAME(unevictable), \ 162 DEF_PAGEFLAG_NAME(dropbehind) \ 163 IF_HAVE_PG_MLOCK(mlocked) \ 164 IF_HAVE_PG_HWPOISON(hwpoison) \ 165 IF_HAVE_PG_IDLE(idle) \ 166 IF_HAVE_PG_IDLE(young) \ 167 IF_HAVE_PG_ARCH_2(arch_2) \ 168 IF_HAVE_PG_ARCH_3(arch_3) 169 170 #define show_page_flags(flags) \ 171 (flags) ? __print_flags(flags, "|", \ 172 __def_pageflag_names \ 173 ) : "none" 174 175 #if defined(CONFIG_PPC64) 176 #define __VM_ARCH_SPECIFIC_1 {VM_SAO, "sao" } 177 #elif defined(CONFIG_PARISC) 178 #define __VM_ARCH_SPECIFIC_1 {VM_GROWSUP, "growsup" } 179 #elif !defined(CONFIG_MMU) 180 #define __VM_ARCH_SPECIFIC_1 {VM_MAPPED_COPY,"mappedcopy" } 181 #else 182 #define __VM_ARCH_SPECIFIC_1 {VM_ARCH_1, "arch_1" } 183 #endif 184 185 #ifdef CONFIG_MEM_SOFT_DIRTY 186 #define IF_HAVE_VM_SOFTDIRTY(flag,name) {flag, name }, 187 #else 188 #define IF_HAVE_VM_SOFTDIRTY(flag,name) 189 #endif 190 191 #ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR 192 # define IF_HAVE_UFFD_MINOR(flag, name) {flag, name}, 193 #else 194 # define IF_HAVE_UFFD_MINOR(flag, name) 195 #endif 196 197 #if defined(CONFIG_64BIT) || defined(CONFIG_PPC32) 198 # define IF_HAVE_VM_DROPPABLE(flag, name) {flag, name}, 199 #else 200 # define IF_HAVE_VM_DROPPABLE(flag, name) 201 #endif 202 203 #define __def_vmaflag_names \ 204 {VM_READ, "read" }, \ 205 {VM_WRITE, "write" }, \ 206 {VM_EXEC, "exec" }, \ 207 {VM_SHARED, "shared" }, \ 208 {VM_MAYREAD, "mayread" }, \ 209 {VM_MAYWRITE, "maywrite" }, \ 210 {VM_MAYEXEC, "mayexec" }, \ 211 {VM_MAYSHARE, "mayshare" }, \ 212 {VM_GROWSDOWN, "growsdown" }, \ 213 {VM_UFFD_MISSING, "uffd_missing" }, \ 214 IF_HAVE_UFFD_MINOR(VM_UFFD_MINOR, "uffd_minor" ) \ 215 {VM_PFNMAP, "pfnmap" }, \ 216 {VM_UFFD_WP, "uffd_wp" }, \ 217 {VM_LOCKED, "locked" }, \ 218 {VM_IO, "io" }, \ 219 {VM_SEQ_READ, "seqread" }, \ 220 {VM_RAND_READ, "randread" }, \ 221 {VM_DONTCOPY, "dontcopy" }, \ 222 {VM_DONTEXPAND, "dontexpand" }, \ 223 {VM_LOCKONFAULT, "lockonfault" }, \ 224 {VM_ACCOUNT, "account" }, \ 225 {VM_NORESERVE, "noreserve" }, \ 226 {VM_HUGETLB, "hugetlb" }, \ 227 {VM_SYNC, "sync" }, \ 228 __VM_ARCH_SPECIFIC_1 , \ 229 {VM_WIPEONFORK, "wipeonfork" }, \ 230 {VM_DONTDUMP, "dontdump" }, \ 231 IF_HAVE_VM_SOFTDIRTY(VM_SOFTDIRTY, "softdirty" ) \ 232 {VM_MIXEDMAP, "mixedmap" }, \ 233 {VM_HUGEPAGE, "hugepage" }, \ 234 {VM_NOHUGEPAGE, "nohugepage" }, \ 235 IF_HAVE_VM_DROPPABLE(VM_DROPPABLE, "droppable" ) \ 236 {VM_MERGEABLE, "mergeable" } \ 237 238 #define show_vma_flags(flags) \ 239 (flags) ? __print_flags(flags, "|", \ 240 __def_vmaflag_names \ 241 ) : "none" 242 243 #ifdef CONFIG_COMPACTION 244 #define COMPACTION_STATUS \ 245 EM( COMPACT_SKIPPED, "skipped") \ 246 EM( COMPACT_DEFERRED, "deferred") \ 247 EM( COMPACT_CONTINUE, "continue") \ 248 EM( COMPACT_SUCCESS, "success") \ 249 EM( COMPACT_PARTIAL_SKIPPED, "partial_skipped") \ 250 EM( COMPACT_COMPLETE, "complete") \ 251 EM( COMPACT_NO_SUITABLE_PAGE, "no_suitable_page") \ 252 EM( COMPACT_NOT_SUITABLE_ZONE, "not_suitable_zone") \ 253 EMe(COMPACT_CONTENDED, "contended") 254 255 /* High-level compaction status feedback */ 256 #define COMPACTION_FAILED 1 257 #define COMPACTION_WITHDRAWN 2 258 #define COMPACTION_PROGRESS 3 259 260 #define compact_result_to_feedback(result) \ 261 ({ \ 262 enum compact_result __result = result; \ 263 (__result == COMPACT_COMPLETE) ? COMPACTION_FAILED : \ 264 (__result == COMPACT_SUCCESS) ? COMPACTION_PROGRESS : COMPACTION_WITHDRAWN; \ 265 }) 266 267 #define COMPACTION_FEEDBACK \ 268 EM(COMPACTION_FAILED, "failed") \ 269 EM(COMPACTION_WITHDRAWN, "withdrawn") \ 270 EMe(COMPACTION_PROGRESS, "progress") 271 272 #define COMPACTION_PRIORITY \ 273 EM(COMPACT_PRIO_SYNC_FULL, "COMPACT_PRIO_SYNC_FULL") \ 274 EM(COMPACT_PRIO_SYNC_LIGHT, "COMPACT_PRIO_SYNC_LIGHT") \ 275 EMe(COMPACT_PRIO_ASYNC, "COMPACT_PRIO_ASYNC") 276 #else 277 #define COMPACTION_STATUS 278 #define COMPACTION_PRIORITY 279 #define COMPACTION_FEEDBACK 280 #endif 281 282 #ifdef CONFIG_ZONE_DMA 283 #define IFDEF_ZONE_DMA(X) X 284 #else 285 #define IFDEF_ZONE_DMA(X) 286 #endif 287 288 #ifdef CONFIG_ZONE_DMA32 289 #define IFDEF_ZONE_DMA32(X) X 290 #else 291 #define IFDEF_ZONE_DMA32(X) 292 #endif 293 294 #ifdef CONFIG_HIGHMEM 295 #define IFDEF_ZONE_HIGHMEM(X) X 296 #else 297 #define IFDEF_ZONE_HIGHMEM(X) 298 #endif 299 300 #define ZONE_TYPE \ 301 IFDEF_ZONE_DMA( EM (ZONE_DMA, "DMA")) \ 302 IFDEF_ZONE_DMA32( EM (ZONE_DMA32, "DMA32")) \ 303 EM (ZONE_NORMAL, "Normal") \ 304 IFDEF_ZONE_HIGHMEM( EM (ZONE_HIGHMEM,"HighMem")) \ 305 EMe(ZONE_MOVABLE,"Movable") 306 307 #define LRU_NAMES \ 308 EM (LRU_INACTIVE_ANON, "inactive_anon") \ 309 EM (LRU_ACTIVE_ANON, "active_anon") \ 310 EM (LRU_INACTIVE_FILE, "inactive_file") \ 311 EM (LRU_ACTIVE_FILE, "active_file") \ 312 EMe(LRU_UNEVICTABLE, "unevictable") 313 314 /* 315 * First define the enums in the above macros to be exported to userspace 316 * via TRACE_DEFINE_ENUM(). 317 */ 318 #undef EM 319 #undef EMe 320 #define EM(a, b) TRACE_DEFINE_ENUM(a); 321 #define EMe(a, b) TRACE_DEFINE_ENUM(a); 322 323 COMPACTION_STATUS 324 COMPACTION_PRIORITY 325 /* COMPACTION_FEEDBACK are defines not enums. Not needed here. */ 326 ZONE_TYPE 327 LRU_NAMES 328 329 /* 330 * Now redefine the EM() and EMe() macros to map the enums to the strings 331 * that will be printed in the output. 332 */ 333 #undef EM 334 #undef EMe 335 #define EM(a, b) {a, b}, 336 #define EMe(a, b) {a, b} 337