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