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