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 #define gfpflag_string(flag) {(__force unsigned long)flag, #flag} 17 18 #define __def_gfpflag_names \ 19 gfpflag_string(GFP_TRANSHUGE), \ 20 gfpflag_string(GFP_TRANSHUGE_LIGHT), \ 21 gfpflag_string(GFP_HIGHUSER_MOVABLE), \ 22 gfpflag_string(GFP_HIGHUSER), \ 23 gfpflag_string(GFP_USER), \ 24 gfpflag_string(GFP_KERNEL_ACCOUNT), \ 25 gfpflag_string(GFP_KERNEL), \ 26 gfpflag_string(GFP_NOFS), \ 27 gfpflag_string(GFP_ATOMIC), \ 28 gfpflag_string(GFP_NOIO), \ 29 gfpflag_string(GFP_NOWAIT), \ 30 gfpflag_string(GFP_DMA), \ 31 gfpflag_string(__GFP_HIGHMEM), \ 32 gfpflag_string(GFP_DMA32), \ 33 gfpflag_string(__GFP_HIGH), \ 34 gfpflag_string(__GFP_IO), \ 35 gfpflag_string(__GFP_FS), \ 36 gfpflag_string(__GFP_NOWARN), \ 37 gfpflag_string(__GFP_RETRY_MAYFAIL), \ 38 gfpflag_string(__GFP_NOFAIL), \ 39 gfpflag_string(__GFP_NORETRY), \ 40 gfpflag_string(__GFP_COMP), \ 41 gfpflag_string(__GFP_ZERO), \ 42 gfpflag_string(__GFP_NOMEMALLOC), \ 43 gfpflag_string(__GFP_MEMALLOC), \ 44 gfpflag_string(__GFP_HARDWALL), \ 45 gfpflag_string(__GFP_THISNODE), \ 46 gfpflag_string(__GFP_RECLAIMABLE), \ 47 gfpflag_string(__GFP_MOVABLE), \ 48 gfpflag_string(__GFP_ACCOUNT), \ 49 gfpflag_string(__GFP_WRITE), \ 50 gfpflag_string(__GFP_RECLAIM), \ 51 gfpflag_string(__GFP_DIRECT_RECLAIM), \ 52 gfpflag_string(__GFP_KSWAPD_RECLAIM), \ 53 gfpflag_string(__GFP_ZEROTAGS), \ 54 gfpflag_string(__GFP_CMA) 55 56 #ifdef CONFIG_KASAN_HW_TAGS 57 #define __def_gfpflag_names_kasan , \ 58 gfpflag_string(__GFP_SKIP_ZERO), \ 59 gfpflag_string(__GFP_SKIP_KASAN) 60 #else 61 #define __def_gfpflag_names_kasan 62 #endif 63 64 #define show_gfp_flags(flags) \ 65 (flags) ? __print_flags(flags, "|", \ 66 __def_gfpflag_names __def_gfpflag_names_kasan \ 67 ) : "none" 68 69 #ifdef CONFIG_MMU 70 #define IF_HAVE_PG_MLOCK(_name) ,{1UL << PG_##_name, __stringify(_name)} 71 #else 72 #define IF_HAVE_PG_MLOCK(_name) 73 #endif 74 75 #ifdef CONFIG_ARCH_USES_PG_UNCACHED 76 #define IF_HAVE_PG_UNCACHED(_name) ,{1UL << PG_##_name, __stringify(_name)} 77 #else 78 #define IF_HAVE_PG_UNCACHED(_name) 79 #endif 80 81 #ifdef CONFIG_MEMORY_FAILURE 82 #define IF_HAVE_PG_HWPOISON(_name) ,{1UL << PG_##_name, __stringify(_name)} 83 #else 84 #define IF_HAVE_PG_HWPOISON(_name) 85 #endif 86 87 #if defined(CONFIG_PAGE_IDLE_FLAG) && defined(CONFIG_64BIT) 88 #define IF_HAVE_PG_IDLE(_name) ,{1UL << PG_##_name, __stringify(_name)} 89 #else 90 #define IF_HAVE_PG_IDLE(_name) 91 #endif 92 93 #ifdef CONFIG_ARCH_USES_PG_ARCH_X 94 #define IF_HAVE_PG_ARCH_X(_name) ,{1UL << PG_##_name, __stringify(_name)} 95 #else 96 #define IF_HAVE_PG_ARCH_X(_name) 97 #endif 98 99 #ifdef CONFIG_64BIT 100 #define IF_HAVE_PG_OEM_RESERVED(_name) ,{1UL << PG_##_name, __stringify(_name)} 101 #else 102 #define IF_HAVE_PG_OEM_RESERVED(_name) 103 #endif 104 105 #define DEF_PAGEFLAG_NAME(_name) { 1UL << PG_##_name, __stringify(_name) } 106 107 #define __def_pageflag_names \ 108 DEF_PAGEFLAG_NAME(locked), \ 109 DEF_PAGEFLAG_NAME(waiters), \ 110 DEF_PAGEFLAG_NAME(error), \ 111 DEF_PAGEFLAG_NAME(referenced), \ 112 DEF_PAGEFLAG_NAME(uptodate), \ 113 DEF_PAGEFLAG_NAME(dirty), \ 114 DEF_PAGEFLAG_NAME(lru), \ 115 DEF_PAGEFLAG_NAME(active), \ 116 DEF_PAGEFLAG_NAME(workingset), \ 117 DEF_PAGEFLAG_NAME(slab), \ 118 DEF_PAGEFLAG_NAME(owner_priv_1), \ 119 DEF_PAGEFLAG_NAME(arch_1), \ 120 DEF_PAGEFLAG_NAME(reserved), \ 121 DEF_PAGEFLAG_NAME(private), \ 122 DEF_PAGEFLAG_NAME(private_2), \ 123 DEF_PAGEFLAG_NAME(writeback), \ 124 DEF_PAGEFLAG_NAME(head), \ 125 DEF_PAGEFLAG_NAME(mappedtodisk), \ 126 DEF_PAGEFLAG_NAME(reclaim), \ 127 DEF_PAGEFLAG_NAME(swapbacked), \ 128 DEF_PAGEFLAG_NAME(unevictable) \ 129 IF_HAVE_PG_MLOCK(mlocked) \ 130 IF_HAVE_PG_UNCACHED(uncached) \ 131 IF_HAVE_PG_HWPOISON(hwpoison) \ 132 IF_HAVE_PG_IDLE(idle) \ 133 IF_HAVE_PG_IDLE(young) \ 134 IF_HAVE_PG_ARCH_X(arch_2) \ 135 IF_HAVE_PG_ARCH_X(arch_3) \ 136 IF_HAVE_PG_OEM_RESERVED(oem_reserved_1) \ 137 IF_HAVE_PG_OEM_RESERVED(oem_reserved_2) \ 138 IF_HAVE_PG_OEM_RESERVED(oem_reserved_3) \ 139 IF_HAVE_PG_OEM_RESERVED(oem_reserved_4) 140 141 #define show_page_flags(flags) \ 142 (flags) ? __print_flags(flags, "|", \ 143 __def_pageflag_names \ 144 ) : "none" 145 146 #define DEF_PAGETYPE_NAME(_name) { PG_##_name, __stringify(_name) } 147 148 #define __def_pagetype_names \ 149 DEF_PAGETYPE_NAME(hugetlb), \ 150 DEF_PAGETYPE_NAME(offline), \ 151 DEF_PAGETYPE_NAME(guard), \ 152 DEF_PAGETYPE_NAME(table), \ 153 DEF_PAGETYPE_NAME(buddy) 154 155 #if defined(CONFIG_X86) 156 #define __VM_ARCH_SPECIFIC_1 {VM_PAT, "pat" } 157 #elif defined(CONFIG_PPC) 158 #define __VM_ARCH_SPECIFIC_1 {VM_SAO, "sao" } 159 #elif defined(CONFIG_PARISC) || defined(CONFIG_IA64) 160 #define __VM_ARCH_SPECIFIC_1 {VM_GROWSUP, "growsup" } 161 #elif !defined(CONFIG_MMU) 162 #define __VM_ARCH_SPECIFIC_1 {VM_MAPPED_COPY,"mappedcopy" } 163 #else 164 #define __VM_ARCH_SPECIFIC_1 {VM_ARCH_1, "arch_1" } 165 #endif 166 167 #ifdef CONFIG_MEM_SOFT_DIRTY 168 #define IF_HAVE_VM_SOFTDIRTY(flag,name) {flag, name }, 169 #else 170 #define IF_HAVE_VM_SOFTDIRTY(flag,name) 171 #endif 172 173 #ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR 174 # define IF_HAVE_UFFD_MINOR(flag, name) {flag, name}, 175 #else 176 # define IF_HAVE_UFFD_MINOR(flag, name) 177 #endif 178 179 #define __def_vmaflag_names \ 180 {VM_READ, "read" }, \ 181 {VM_WRITE, "write" }, \ 182 {VM_EXEC, "exec" }, \ 183 {VM_SHARED, "shared" }, \ 184 {VM_MAYREAD, "mayread" }, \ 185 {VM_MAYWRITE, "maywrite" }, \ 186 {VM_MAYEXEC, "mayexec" }, \ 187 {VM_MAYSHARE, "mayshare" }, \ 188 {VM_GROWSDOWN, "growsdown" }, \ 189 {VM_UFFD_MISSING, "uffd_missing" }, \ 190 IF_HAVE_UFFD_MINOR(VM_UFFD_MINOR, "uffd_minor" ) \ 191 {VM_PFNMAP, "pfnmap" }, \ 192 {VM_UFFD_WP, "uffd_wp" }, \ 193 {VM_LOCKED, "locked" }, \ 194 {VM_IO, "io" }, \ 195 {VM_SEQ_READ, "seqread" }, \ 196 {VM_RAND_READ, "randread" }, \ 197 {VM_DONTCOPY, "dontcopy" }, \ 198 {VM_DONTEXPAND, "dontexpand" }, \ 199 {VM_LOCKONFAULT, "lockonfault" }, \ 200 {VM_ACCOUNT, "account" }, \ 201 {VM_NORESERVE, "noreserve" }, \ 202 {VM_HUGETLB, "hugetlb" }, \ 203 {VM_SYNC, "sync" }, \ 204 __VM_ARCH_SPECIFIC_1 , \ 205 {VM_WIPEONFORK, "wipeonfork" }, \ 206 {VM_DONTDUMP, "dontdump" }, \ 207 IF_HAVE_VM_SOFTDIRTY(VM_SOFTDIRTY, "softdirty" ) \ 208 {VM_MIXEDMAP, "mixedmap" }, \ 209 {VM_HUGEPAGE, "hugepage" }, \ 210 {VM_NOHUGEPAGE, "nohugepage" }, \ 211 {VM_MERGEABLE, "mergeable" } \ 212 213 #define show_vma_flags(flags) \ 214 (flags) ? __print_flags(flags, "|", \ 215 __def_vmaflag_names \ 216 ) : "none" 217 218 #ifdef CONFIG_COMPACTION 219 #define COMPACTION_STATUS \ 220 EM( COMPACT_SKIPPED, "skipped") \ 221 EM( COMPACT_DEFERRED, "deferred") \ 222 EM( COMPACT_CONTINUE, "continue") \ 223 EM( COMPACT_SUCCESS, "success") \ 224 EM( COMPACT_PARTIAL_SKIPPED, "partial_skipped") \ 225 EM( COMPACT_COMPLETE, "complete") \ 226 EM( COMPACT_NO_SUITABLE_PAGE, "no_suitable_page") \ 227 EM( COMPACT_NOT_SUITABLE_ZONE, "not_suitable_zone") \ 228 EMe(COMPACT_CONTENDED, "contended") 229 230 /* High-level compaction status feedback */ 231 #define COMPACTION_FAILED 1 232 #define COMPACTION_WITHDRAWN 2 233 #define COMPACTION_PROGRESS 3 234 235 #define compact_result_to_feedback(result) \ 236 ({ \ 237 enum compact_result __result = result; \ 238 (__result == COMPACT_COMPLETE) ? COMPACTION_FAILED : \ 239 (__result == COMPACT_SUCCESS) ? COMPACTION_PROGRESS : COMPACTION_WITHDRAWN; \ 240 }) 241 242 #define COMPACTION_FEEDBACK \ 243 EM(COMPACTION_FAILED, "failed") \ 244 EM(COMPACTION_WITHDRAWN, "withdrawn") \ 245 EMe(COMPACTION_PROGRESS, "progress") 246 247 #define COMPACTION_PRIORITY \ 248 EM(COMPACT_PRIO_SYNC_FULL, "COMPACT_PRIO_SYNC_FULL") \ 249 EM(COMPACT_PRIO_SYNC_LIGHT, "COMPACT_PRIO_SYNC_LIGHT") \ 250 EMe(COMPACT_PRIO_ASYNC, "COMPACT_PRIO_ASYNC") 251 #else 252 #define COMPACTION_STATUS 253 #define COMPACTION_PRIORITY 254 #define COMPACTION_FEEDBACK 255 #endif 256 257 #ifdef CONFIG_ZONE_DMA 258 #define IFDEF_ZONE_DMA(X) X 259 #else 260 #define IFDEF_ZONE_DMA(X) 261 #endif 262 263 #ifdef CONFIG_ZONE_DMA32 264 #define IFDEF_ZONE_DMA32(X) X 265 #else 266 #define IFDEF_ZONE_DMA32(X) 267 #endif 268 269 #ifdef CONFIG_HIGHMEM 270 #define IFDEF_ZONE_HIGHMEM(X) X 271 #else 272 #define IFDEF_ZONE_HIGHMEM(X) 273 #endif 274 275 #define ZONE_TYPE \ 276 IFDEF_ZONE_DMA( EM (ZONE_DMA, "DMA")) \ 277 IFDEF_ZONE_DMA32( EM (ZONE_DMA32, "DMA32")) \ 278 EM (ZONE_NORMAL, "Normal") \ 279 IFDEF_ZONE_HIGHMEM( EM (ZONE_HIGHMEM,"HighMem")) \ 280 EM (ZONE_MOVABLE,"Movable") \ 281 EM (ZONE_NOSPLIT,"NoSplit") \ 282 EMe(ZONE_NOMERGE,"NoMerge") 283 284 #define LRU_NAMES \ 285 EM (LRU_INACTIVE_ANON, "inactive_anon") \ 286 EM (LRU_ACTIVE_ANON, "active_anon") \ 287 EM (LRU_INACTIVE_FILE, "inactive_file") \ 288 EM (LRU_ACTIVE_FILE, "active_file") \ 289 EMe(LRU_UNEVICTABLE, "unevictable") 290 291 /* 292 * First define the enums in the above macros to be exported to userspace 293 * via TRACE_DEFINE_ENUM(). 294 */ 295 #undef EM 296 #undef EMe 297 #define EM(a, b) TRACE_DEFINE_ENUM(a); 298 #define EMe(a, b) TRACE_DEFINE_ENUM(a); 299 300 COMPACTION_STATUS 301 COMPACTION_PRIORITY 302 /* COMPACTION_FEEDBACK are defines not enums. Not needed here. */ 303 ZONE_TYPE 304 LRU_NAMES 305 306 /* 307 * Now redefine the EM() and EMe() macros to map the enums to the strings 308 * that will be printed in the output. 309 */ 310 #undef EM 311 #undef EMe 312 #define EM(a, b) {a, b}, 313 #define EMe(a, b) {a, b} 314