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 __def_gfpflag_names \ 17 {(unsigned long)GFP_TRANSHUGE, "GFP_TRANSHUGE"}, \ 18 {(unsigned long)GFP_TRANSHUGE_LIGHT, "GFP_TRANSHUGE_LIGHT"}, \ 19 {(unsigned long)GFP_HIGHUSER_MOVABLE, "GFP_HIGHUSER_MOVABLE"},\ 20 {(unsigned long)GFP_HIGHUSER, "GFP_HIGHUSER"}, \ 21 {(unsigned long)GFP_USER, "GFP_USER"}, \ 22 {(unsigned long)GFP_KERNEL_ACCOUNT, "GFP_KERNEL_ACCOUNT"}, \ 23 {(unsigned long)GFP_KERNEL, "GFP_KERNEL"}, \ 24 {(unsigned long)GFP_NOFS, "GFP_NOFS"}, \ 25 {(unsigned long)GFP_ATOMIC, "GFP_ATOMIC"}, \ 26 {(unsigned long)GFP_NOIO, "GFP_NOIO"}, \ 27 {(unsigned long)GFP_NOWAIT, "GFP_NOWAIT"}, \ 28 {(unsigned long)GFP_DMA, "GFP_DMA"}, \ 29 {(unsigned long)__GFP_HIGHMEM, "__GFP_HIGHMEM"}, \ 30 {(unsigned long)GFP_DMA32, "GFP_DMA32"}, \ 31 {(unsigned long)__GFP_HIGH, "__GFP_HIGH"}, \ 32 {(unsigned long)__GFP_ATOMIC, "__GFP_ATOMIC"}, \ 33 {(unsigned long)__GFP_IO, "__GFP_IO"}, \ 34 {(unsigned long)__GFP_FS, "__GFP_FS"}, \ 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_WRITE, "__GFP_WRITE"}, \ 49 {(unsigned long)__GFP_RECLAIM, "__GFP_RECLAIM"}, \ 50 {(unsigned long)__GFP_DIRECT_RECLAIM, "__GFP_DIRECT_RECLAIM"},\ 51 {(unsigned long)__GFP_KSWAPD_RECLAIM, "__GFP_KSWAPD_RECLAIM"}\ 52 53 #define show_gfp_flags(flags) \ 54 (flags) ? __print_flags(flags, "|", \ 55 __def_gfpflag_names \ 56 ) : "none" 57 58 #ifdef CONFIG_MMU 59 #define IF_HAVE_PG_MLOCK(flag,string) ,{1UL << flag, string} 60 #else 61 #define IF_HAVE_PG_MLOCK(flag,string) 62 #endif 63 64 #ifdef CONFIG_ARCH_USES_PG_UNCACHED 65 #define IF_HAVE_PG_UNCACHED(flag,string) ,{1UL << flag, string} 66 #else 67 #define IF_HAVE_PG_UNCACHED(flag,string) 68 #endif 69 70 #ifdef CONFIG_MEMORY_FAILURE 71 #define IF_HAVE_PG_HWPOISON(flag,string) ,{1UL << flag, string} 72 #else 73 #define IF_HAVE_PG_HWPOISON(flag,string) 74 #endif 75 76 #if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT) 77 #define IF_HAVE_PG_IDLE(flag,string) ,{1UL << flag, string} 78 #else 79 #define IF_HAVE_PG_IDLE(flag,string) 80 #endif 81 82 #ifdef CONFIG_64BIT 83 #define IF_HAVE_PG_ARCH_2(flag,string) ,{1UL << flag, string} 84 #else 85 #define IF_HAVE_PG_ARCH_2(flag,string) 86 #endif 87 88 #define __def_pageflag_names \ 89 {1UL << PG_locked, "locked" }, \ 90 {1UL << PG_waiters, "waiters" }, \ 91 {1UL << PG_error, "error" }, \ 92 {1UL << PG_referenced, "referenced" }, \ 93 {1UL << PG_uptodate, "uptodate" }, \ 94 {1UL << PG_dirty, "dirty" }, \ 95 {1UL << PG_lru, "lru" }, \ 96 {1UL << PG_active, "active" }, \ 97 {1UL << PG_workingset, "workingset" }, \ 98 {1UL << PG_slab, "slab" }, \ 99 {1UL << PG_owner_priv_1, "owner_priv_1" }, \ 100 {1UL << PG_arch_1, "arch_1" }, \ 101 {1UL << PG_reserved, "reserved" }, \ 102 {1UL << PG_private, "private" }, \ 103 {1UL << PG_private_2, "private_2" }, \ 104 {1UL << PG_writeback, "writeback" }, \ 105 {1UL << PG_head, "head" }, \ 106 {1UL << PG_mappedtodisk, "mappedtodisk" }, \ 107 {1UL << PG_reclaim, "reclaim" }, \ 108 {1UL << PG_swapbacked, "swapbacked" }, \ 109 {1UL << PG_unevictable, "unevictable" } \ 110 IF_HAVE_PG_MLOCK(PG_mlocked, "mlocked" ) \ 111 IF_HAVE_PG_UNCACHED(PG_uncached, "uncached" ) \ 112 IF_HAVE_PG_HWPOISON(PG_hwpoison, "hwpoison" ) \ 113 IF_HAVE_PG_IDLE(PG_young, "young" ) \ 114 IF_HAVE_PG_IDLE(PG_idle, "idle" ) \ 115 IF_HAVE_PG_ARCH_2(PG_arch_2, "arch_2" ) 116 117 #define show_page_flags(flags) \ 118 (flags) ? __print_flags(flags, "|", \ 119 __def_pageflag_names \ 120 ) : "none" 121 122 #if defined(CONFIG_X86) 123 #define __VM_ARCH_SPECIFIC_1 {VM_PAT, "pat" } 124 #elif defined(CONFIG_PPC) 125 #define __VM_ARCH_SPECIFIC_1 {VM_SAO, "sao" } 126 #elif defined(CONFIG_PARISC) || defined(CONFIG_IA64) 127 #define __VM_ARCH_SPECIFIC_1 {VM_GROWSUP, "growsup" } 128 #elif !defined(CONFIG_MMU) 129 #define __VM_ARCH_SPECIFIC_1 {VM_MAPPED_COPY,"mappedcopy" } 130 #else 131 #define __VM_ARCH_SPECIFIC_1 {VM_ARCH_1, "arch_1" } 132 #endif 133 134 #ifdef CONFIG_MEM_SOFT_DIRTY 135 #define IF_HAVE_VM_SOFTDIRTY(flag,name) {flag, name }, 136 #else 137 #define IF_HAVE_VM_SOFTDIRTY(flag,name) 138 #endif 139 140 #ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR 141 # define IF_HAVE_UFFD_MINOR(flag, name) {flag, name}, 142 #else 143 # define IF_HAVE_UFFD_MINOR(flag, name) 144 #endif 145 146 #define __def_vmaflag_names \ 147 {VM_READ, "read" }, \ 148 {VM_WRITE, "write" }, \ 149 {VM_EXEC, "exec" }, \ 150 {VM_SHARED, "shared" }, \ 151 {VM_MAYREAD, "mayread" }, \ 152 {VM_MAYWRITE, "maywrite" }, \ 153 {VM_MAYEXEC, "mayexec" }, \ 154 {VM_MAYSHARE, "mayshare" }, \ 155 {VM_GROWSDOWN, "growsdown" }, \ 156 {VM_UFFD_MISSING, "uffd_missing" }, \ 157 IF_HAVE_UFFD_MINOR(VM_UFFD_MINOR, "uffd_minor" ) \ 158 {VM_PFNMAP, "pfnmap" }, \ 159 {VM_DENYWRITE, "denywrite" }, \ 160 {VM_UFFD_WP, "uffd_wp" }, \ 161 {VM_LOCKED, "locked" }, \ 162 {VM_IO, "io" }, \ 163 {VM_SEQ_READ, "seqread" }, \ 164 {VM_RAND_READ, "randread" }, \ 165 {VM_DONTCOPY, "dontcopy" }, \ 166 {VM_DONTEXPAND, "dontexpand" }, \ 167 {VM_LOCKONFAULT, "lockonfault" }, \ 168 {VM_ACCOUNT, "account" }, \ 169 {VM_NORESERVE, "noreserve" }, \ 170 {VM_HUGETLB, "hugetlb" }, \ 171 {VM_SYNC, "sync" }, \ 172 __VM_ARCH_SPECIFIC_1 , \ 173 {VM_WIPEONFORK, "wipeonfork" }, \ 174 {VM_DONTDUMP, "dontdump" }, \ 175 IF_HAVE_VM_SOFTDIRTY(VM_SOFTDIRTY, "softdirty" ) \ 176 {VM_MIXEDMAP, "mixedmap" }, \ 177 {VM_HUGEPAGE, "hugepage" }, \ 178 {VM_NOHUGEPAGE, "nohugepage" }, \ 179 {VM_MERGEABLE, "mergeable" } \ 180 181 #define show_vma_flags(flags) \ 182 (flags) ? __print_flags(flags, "|", \ 183 __def_vmaflag_names \ 184 ) : "none" 185 186 #ifdef CONFIG_COMPACTION 187 #define COMPACTION_STATUS \ 188 EM( COMPACT_SKIPPED, "skipped") \ 189 EM( COMPACT_DEFERRED, "deferred") \ 190 EM( COMPACT_CONTINUE, "continue") \ 191 EM( COMPACT_SUCCESS, "success") \ 192 EM( COMPACT_PARTIAL_SKIPPED, "partial_skipped") \ 193 EM( COMPACT_COMPLETE, "complete") \ 194 EM( COMPACT_NO_SUITABLE_PAGE, "no_suitable_page") \ 195 EM( COMPACT_NOT_SUITABLE_ZONE, "not_suitable_zone") \ 196 EMe(COMPACT_CONTENDED, "contended") 197 198 /* High-level compaction status feedback */ 199 #define COMPACTION_FAILED 1 200 #define COMPACTION_WITHDRAWN 2 201 #define COMPACTION_PROGRESS 3 202 203 #define compact_result_to_feedback(result) \ 204 ({ \ 205 enum compact_result __result = result; \ 206 (compaction_failed(__result)) ? COMPACTION_FAILED : \ 207 (compaction_withdrawn(__result)) ? COMPACTION_WITHDRAWN : COMPACTION_PROGRESS; \ 208 }) 209 210 #define COMPACTION_FEEDBACK \ 211 EM(COMPACTION_FAILED, "failed") \ 212 EM(COMPACTION_WITHDRAWN, "withdrawn") \ 213 EMe(COMPACTION_PROGRESS, "progress") 214 215 #define COMPACTION_PRIORITY \ 216 EM(COMPACT_PRIO_SYNC_FULL, "COMPACT_PRIO_SYNC_FULL") \ 217 EM(COMPACT_PRIO_SYNC_LIGHT, "COMPACT_PRIO_SYNC_LIGHT") \ 218 EMe(COMPACT_PRIO_ASYNC, "COMPACT_PRIO_ASYNC") 219 #else 220 #define COMPACTION_STATUS 221 #define COMPACTION_PRIORITY 222 #define COMPACTION_FEEDBACK 223 #endif 224 225 #ifdef CONFIG_ZONE_DMA 226 #define IFDEF_ZONE_DMA(X) X 227 #else 228 #define IFDEF_ZONE_DMA(X) 229 #endif 230 231 #ifdef CONFIG_ZONE_DMA32 232 #define IFDEF_ZONE_DMA32(X) X 233 #else 234 #define IFDEF_ZONE_DMA32(X) 235 #endif 236 237 #ifdef CONFIG_HIGHMEM 238 #define IFDEF_ZONE_HIGHMEM(X) X 239 #else 240 #define IFDEF_ZONE_HIGHMEM(X) 241 #endif 242 243 #define ZONE_TYPE \ 244 IFDEF_ZONE_DMA( EM (ZONE_DMA, "DMA")) \ 245 IFDEF_ZONE_DMA32( EM (ZONE_DMA32, "DMA32")) \ 246 EM (ZONE_NORMAL, "Normal") \ 247 IFDEF_ZONE_HIGHMEM( EM (ZONE_HIGHMEM,"HighMem")) \ 248 EMe(ZONE_MOVABLE,"Movable") 249 250 #define LRU_NAMES \ 251 EM (LRU_INACTIVE_ANON, "inactive_anon") \ 252 EM (LRU_ACTIVE_ANON, "active_anon") \ 253 EM (LRU_INACTIVE_FILE, "inactive_file") \ 254 EM (LRU_ACTIVE_FILE, "active_file") \ 255 EMe(LRU_UNEVICTABLE, "unevictable") 256 257 /* 258 * First define the enums in the above macros to be exported to userspace 259 * via TRACE_DEFINE_ENUM(). 260 */ 261 #undef EM 262 #undef EMe 263 #define EM(a, b) TRACE_DEFINE_ENUM(a); 264 #define EMe(a, b) TRACE_DEFINE_ENUM(a); 265 266 COMPACTION_STATUS 267 COMPACTION_PRIORITY 268 /* COMPACTION_FEEDBACK are defines not enums. Not needed here. */ 269 ZONE_TYPE 270 LRU_NAMES 271 272 /* 273 * Now redefine the EM() and EMe() macros to map the enums to the strings 274 * that will be printed in the output. 275 */ 276 #undef EM 277 #undef EMe 278 #define EM(a, b) {a, b}, 279 #define EMe(a, b) {a, b} 280