linux/include/trace/events/mmflags.h
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   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_workingset,          "workingset"    },              \
  92        {1UL << PG_slab,                "slab"          },              \
  93        {1UL << PG_owner_priv_1,        "owner_priv_1"  },              \
  94        {1UL << PG_arch_1,              "arch_1"        },              \
  95        {1UL << PG_reserved,            "reserved"      },              \
  96        {1UL << PG_private,             "private"       },              \
  97        {1UL << PG_private_2,           "private_2"     },              \
  98        {1UL << PG_writeback,           "writeback"     },              \
  99        {1UL << PG_head,                "head"          },              \
 100        {1UL << PG_mappedtodisk,        "mappedtodisk"  },              \
 101        {1UL << PG_reclaim,             "reclaim"       },              \
 102        {1UL << PG_swapbacked,          "swapbacked"    },              \
 103        {1UL << PG_unevictable,         "unevictable"   }               \
 104IF_HAVE_PG_MLOCK(PG_mlocked,            "mlocked"       )               \
 105IF_HAVE_PG_UNCACHED(PG_uncached,        "uncached"      )               \
 106IF_HAVE_PG_HWPOISON(PG_hwpoison,        "hwpoison"      )               \
 107IF_HAVE_PG_IDLE(PG_young,               "young"         )               \
 108IF_HAVE_PG_IDLE(PG_idle,                "idle"          )
 109
 110#define show_page_flags(flags)                                          \
 111        (flags) ? __print_flags(flags, "|",                             \
 112        __def_pageflag_names                                            \
 113        ) : "none"
 114
 115#if defined(CONFIG_X86)
 116#define __VM_ARCH_SPECIFIC_1 {VM_PAT,     "pat"           }
 117#elif defined(CONFIG_PPC)
 118#define __VM_ARCH_SPECIFIC_1 {VM_SAO,     "sao"           }
 119#elif defined(CONFIG_PARISC) || defined(CONFIG_IA64)
 120#define __VM_ARCH_SPECIFIC_1 {VM_GROWSUP,       "growsup"       }
 121#elif !defined(CONFIG_MMU)
 122#define __VM_ARCH_SPECIFIC_1 {VM_MAPPED_COPY,"mappedcopy"       }
 123#else
 124#define __VM_ARCH_SPECIFIC_1 {VM_ARCH_1,        "arch_1"        }
 125#endif
 126
 127#ifdef CONFIG_MEM_SOFT_DIRTY
 128#define IF_HAVE_VM_SOFTDIRTY(flag,name) {flag, name },
 129#else
 130#define IF_HAVE_VM_SOFTDIRTY(flag,name)
 131#endif
 132
 133#define __def_vmaflag_names                                             \
 134        {VM_READ,                       "read"          },              \
 135        {VM_WRITE,                      "write"         },              \
 136        {VM_EXEC,                       "exec"          },              \
 137        {VM_SHARED,                     "shared"        },              \
 138        {VM_MAYREAD,                    "mayread"       },              \
 139        {VM_MAYWRITE,                   "maywrite"      },              \
 140        {VM_MAYEXEC,                    "mayexec"       },              \
 141        {VM_MAYSHARE,                   "mayshare"      },              \
 142        {VM_GROWSDOWN,                  "growsdown"     },              \
 143        {VM_UFFD_MISSING,               "uffd_missing"  },              \
 144        {VM_PFNMAP,                     "pfnmap"        },              \
 145        {VM_DENYWRITE,                  "denywrite"     },              \
 146        {VM_UFFD_WP,                    "uffd_wp"       },              \
 147        {VM_LOCKED,                     "locked"        },              \
 148        {VM_IO,                         "io"            },              \
 149        {VM_SEQ_READ,                   "seqread"       },              \
 150        {VM_RAND_READ,                  "randread"      },              \
 151        {VM_DONTCOPY,                   "dontcopy"      },              \
 152        {VM_DONTEXPAND,                 "dontexpand"    },              \
 153        {VM_LOCKONFAULT,                "lockonfault"   },              \
 154        {VM_ACCOUNT,                    "account"       },              \
 155        {VM_NORESERVE,                  "noreserve"     },              \
 156        {VM_HUGETLB,                    "hugetlb"       },              \
 157        __VM_ARCH_SPECIFIC_1                            ,               \
 158        {VM_WIPEONFORK,                 "wipeonfork"    },              \
 159        {VM_DONTDUMP,                   "dontdump"      },              \
 160IF_HAVE_VM_SOFTDIRTY(VM_SOFTDIRTY,      "softdirty"     )               \
 161        {VM_MIXEDMAP,                   "mixedmap"      },              \
 162        {VM_HUGEPAGE,                   "hugepage"      },              \
 163        {VM_NOHUGEPAGE,                 "nohugepage"    },              \
 164        {VM_MERGEABLE,                  "mergeable"     }               \
 165
 166#define show_vma_flags(flags)                                           \
 167        (flags) ? __print_flags(flags, "|",                             \
 168        __def_vmaflag_names                                             \
 169        ) : "none"
 170
 171#ifdef CONFIG_COMPACTION
 172#define COMPACTION_STATUS                                       \
 173        EM( COMPACT_SKIPPED,            "skipped")              \
 174        EM( COMPACT_DEFERRED,           "deferred")             \
 175        EM( COMPACT_CONTINUE,           "continue")             \
 176        EM( COMPACT_SUCCESS,            "success")              \
 177        EM( COMPACT_PARTIAL_SKIPPED,    "partial_skipped")      \
 178        EM( COMPACT_COMPLETE,           "complete")             \
 179        EM( COMPACT_NO_SUITABLE_PAGE,   "no_suitable_page")     \
 180        EM( COMPACT_NOT_SUITABLE_ZONE,  "not_suitable_zone")    \
 181        EMe(COMPACT_CONTENDED,          "contended")
 182
 183/* High-level compaction status feedback */
 184#define COMPACTION_FAILED       1
 185#define COMPACTION_WITHDRAWN    2
 186#define COMPACTION_PROGRESS     3
 187
 188#define compact_result_to_feedback(result)      \
 189({                                              \
 190        enum compact_result __result = result;  \
 191        (compaction_failed(__result)) ? COMPACTION_FAILED : \
 192                (compaction_withdrawn(__result)) ? COMPACTION_WITHDRAWN : COMPACTION_PROGRESS; \
 193})
 194
 195#define COMPACTION_FEEDBACK             \
 196        EM(COMPACTION_FAILED,           "failed")       \
 197        EM(COMPACTION_WITHDRAWN,        "withdrawn")    \
 198        EMe(COMPACTION_PROGRESS,        "progress")
 199
 200#define COMPACTION_PRIORITY                                             \
 201        EM(COMPACT_PRIO_SYNC_FULL,      "COMPACT_PRIO_SYNC_FULL")       \
 202        EM(COMPACT_PRIO_SYNC_LIGHT,     "COMPACT_PRIO_SYNC_LIGHT")      \
 203        EMe(COMPACT_PRIO_ASYNC,         "COMPACT_PRIO_ASYNC")
 204#else
 205#define COMPACTION_STATUS
 206#define COMPACTION_PRIORITY
 207#define COMPACTION_FEEDBACK
 208#endif
 209
 210#ifdef CONFIG_ZONE_DMA
 211#define IFDEF_ZONE_DMA(X) X
 212#else
 213#define IFDEF_ZONE_DMA(X)
 214#endif
 215
 216#ifdef CONFIG_ZONE_DMA32
 217#define IFDEF_ZONE_DMA32(X) X
 218#else
 219#define IFDEF_ZONE_DMA32(X)
 220#endif
 221
 222#ifdef CONFIG_HIGHMEM
 223#define IFDEF_ZONE_HIGHMEM(X) X
 224#else
 225#define IFDEF_ZONE_HIGHMEM(X)
 226#endif
 227
 228#define ZONE_TYPE                                               \
 229        IFDEF_ZONE_DMA(         EM (ZONE_DMA,    "DMA"))        \
 230        IFDEF_ZONE_DMA32(       EM (ZONE_DMA32,  "DMA32"))      \
 231                                EM (ZONE_NORMAL, "Normal")      \
 232        IFDEF_ZONE_HIGHMEM(     EM (ZONE_HIGHMEM,"HighMem"))    \
 233                                EMe(ZONE_MOVABLE,"Movable")
 234
 235#define LRU_NAMES               \
 236                EM (LRU_INACTIVE_ANON, "inactive_anon") \
 237                EM (LRU_ACTIVE_ANON, "active_anon") \
 238                EM (LRU_INACTIVE_FILE, "inactive_file") \
 239                EM (LRU_ACTIVE_FILE, "active_file") \
 240                EMe(LRU_UNEVICTABLE, "unevictable")
 241
 242/*
 243 * First define the enums in the above macros to be exported to userspace
 244 * via TRACE_DEFINE_ENUM().
 245 */
 246#undef EM
 247#undef EMe
 248#define EM(a, b)        TRACE_DEFINE_ENUM(a);
 249#define EMe(a, b)       TRACE_DEFINE_ENUM(a);
 250
 251COMPACTION_STATUS
 252COMPACTION_PRIORITY
 253/* COMPACTION_FEEDBACK are defines not enums. Not needed here. */
 254ZONE_TYPE
 255LRU_NAMES
 256
 257/*
 258 * Now redefine the EM() and EMe() macros to map the enums to the strings
 259 * that will be printed in the output.
 260 */
 261#undef EM
 262#undef EMe
 263#define EM(a, b)        {a, b},
 264#define EMe(a, b)       {a, b}
 265