/* SPDX-License-Identifier: GPL-2.0 */ #include #include #include /* * The order of these masks is important. Matching masks will be seen * first and the left over flags will end up showing by themselves. * * For example, if we have GFP_KERNEL before GFP_USER we wil get: * * GFP_KERNEL|GFP_HARDWALL * * Thus most bits set go first. */ #define gfpflag_string(flag) {(__force unsigned long)flag, #flag} #define __def_gfpflag_names \ gfpflag_string(GFP_TRANSHUGE), \ gfpflag_string(GFP_TRANSHUGE_LIGHT), \ gfpflag_string(GFP_HIGHUSER_MOVABLE), \ gfpflag_string(GFP_HIGHUSER), \ gfpflag_string(GFP_USER), \ gfpflag_string(GFP_KERNEL_ACCOUNT), \ gfpflag_string(GFP_KERNEL), \ gfpflag_string(GFP_NOFS), \ gfpflag_string(GFP_ATOMIC), \ gfpflag_string(GFP_NOIO), \ gfpflag_string(GFP_NOWAIT), \ gfpflag_string(GFP_DMA), \ gfpflag_string(__GFP_HIGHMEM), \ gfpflag_string(GFP_DMA32), \ gfpflag_string(__GFP_HIGH), \ gfpflag_string(__GFP_IO), \ gfpflag_string(__GFP_FS), \ gfpflag_string(__GFP_NOWARN), \ gfpflag_string(__GFP_RETRY_MAYFAIL), \ gfpflag_string(__GFP_NOFAIL), \ gfpflag_string(__GFP_NORETRY), \ gfpflag_string(__GFP_COMP), \ gfpflag_string(__GFP_ZERO), \ gfpflag_string(__GFP_NOMEMALLOC), \ gfpflag_string(__GFP_MEMALLOC), \ gfpflag_string(__GFP_HARDWALL), \ gfpflag_string(__GFP_THISNODE), \ gfpflag_string(__GFP_RECLAIMABLE), \ gfpflag_string(__GFP_MOVABLE), \ gfpflag_string(__GFP_ACCOUNT), \ gfpflag_string(__GFP_WRITE), \ gfpflag_string(__GFP_RECLAIM), \ gfpflag_string(__GFP_DIRECT_RECLAIM), \ gfpflag_string(__GFP_KSWAPD_RECLAIM), \ gfpflag_string(__GFP_ZEROTAGS) #ifdef CONFIG_KASAN_HW_TAGS #define __def_gfpflag_names_kasan , \ gfpflag_string(__GFP_SKIP_ZERO), \ gfpflag_string(__GFP_SKIP_KASAN) #else #define __def_gfpflag_names_kasan #endif #define show_gfp_flags(flags) \ (flags) ? __print_flags(flags, "|", \ __def_gfpflag_names __def_gfpflag_names_kasan \ ) : "none" #ifdef CONFIG_MMU #define IF_HAVE_PG_MLOCK(_name) ,{1UL << PG_##_name, __stringify(_name)} #else #define IF_HAVE_PG_MLOCK(_name) #endif #ifdef CONFIG_MEMORY_FAILURE #define IF_HAVE_PG_HWPOISON(_name) ,{1UL << PG_##_name, __stringify(_name)} #else #define IF_HAVE_PG_HWPOISON(_name) #endif #if defined(CONFIG_PAGE_IDLE_FLAG) && defined(CONFIG_64BIT) #define IF_HAVE_PG_IDLE(_name) ,{1UL << PG_##_name, __stringify(_name)} #else #define IF_HAVE_PG_IDLE(_name) #endif #ifdef CONFIG_ARCH_USES_PG_ARCH_2 #define IF_HAVE_PG_ARCH_2(_name) ,{1UL << PG_##_name, __stringify(_name)} #else #define IF_HAVE_PG_ARCH_2(_name) #endif #ifdef CONFIG_ARCH_USES_PG_ARCH_3 #define IF_HAVE_PG_ARCH_3(_name) ,{1UL << PG_##_name, __stringify(_name)} #else #define IF_HAVE_PG_ARCH_3(_name) #endif #define DEF_PAGEFLAG_NAME(_name) { 1UL << PG_##_name, __stringify(_name) } #define __def_pageflag_names \ DEF_PAGEFLAG_NAME(locked), \ DEF_PAGEFLAG_NAME(waiters), \ DEF_PAGEFLAG_NAME(referenced), \ DEF_PAGEFLAG_NAME(uptodate), \ DEF_PAGEFLAG_NAME(dirty), \ DEF_PAGEFLAG_NAME(lru), \ DEF_PAGEFLAG_NAME(active), \ DEF_PAGEFLAG_NAME(workingset), \ DEF_PAGEFLAG_NAME(owner_priv_1), \ DEF_PAGEFLAG_NAME(owner_2), \ DEF_PAGEFLAG_NAME(arch_1), \ DEF_PAGEFLAG_NAME(reserved), \ DEF_PAGEFLAG_NAME(private), \ DEF_PAGEFLAG_NAME(private_2), \ DEF_PAGEFLAG_NAME(writeback), \ DEF_PAGEFLAG_NAME(head), \ DEF_PAGEFLAG_NAME(reclaim), \ DEF_PAGEFLAG_NAME(swapbacked), \ DEF_PAGEFLAG_NAME(unevictable) \ IF_HAVE_PG_MLOCK(mlocked) \ IF_HAVE_PG_HWPOISON(hwpoison) \ IF_HAVE_PG_IDLE(idle) \ IF_HAVE_PG_IDLE(young) \ IF_HAVE_PG_ARCH_2(arch_2) \ IF_HAVE_PG_ARCH_3(arch_3) #define show_page_flags(flags) \ (flags) ? __print_flags(flags, "|", \ __def_pageflag_names \ ) : "none" #if defined(CONFIG_X86) #define __VM_ARCH_SPECIFIC_1 {VM_PAT, "pat" } #elif defined(CONFIG_PPC64) #define __VM_ARCH_SPECIFIC_1 {VM_SAO, "sao" } #elif defined(CONFIG_PARISC) #define __VM_ARCH_SPECIFIC_1 {VM_GROWSUP, "growsup" } #elif !defined(CONFIG_MMU) #define __VM_ARCH_SPECIFIC_1 {VM_MAPPED_COPY,"mappedcopy" } #else #define __VM_ARCH_SPECIFIC_1 {VM_ARCH_1, "arch_1" } #endif #ifdef CONFIG_MEM_SOFT_DIRTY #define IF_HAVE_VM_SOFTDIRTY(flag,name) {flag, name }, #else #define IF_HAVE_VM_SOFTDIRTY(flag,name) #endif #ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR # define IF_HAVE_UFFD_MINOR(flag, name) {flag, name}, #else # define IF_HAVE_UFFD_MINOR(flag, name) #endif #if defined(CONFIG_64BIT) || defined(CONFIG_PPC32) # define IF_HAVE_VM_DROPPABLE(flag, name) {flag, name}, #else # define IF_HAVE_VM_DROPPABLE(flag, name) #endif #define __def_vmaflag_names \ {VM_READ, "read" }, \ {VM_WRITE, "write" }, \ {VM_EXEC, "exec" }, \ {VM_SHARED, "shared" }, \ {VM_MAYREAD, "mayread" }, \ {VM_MAYWRITE, "maywrite" }, \ {VM_MAYEXEC, "mayexec" }, \ {VM_MAYSHARE, "mayshare" }, \ {VM_GROWSDOWN, "growsdown" }, \ {VM_UFFD_MISSING, "uffd_missing" }, \ IF_HAVE_UFFD_MINOR(VM_UFFD_MINOR, "uffd_minor" ) \ {VM_PFNMAP, "pfnmap" }, \ {VM_UFFD_WP, "uffd_wp" }, \ {VM_LOCKED, "locked" }, \ {VM_IO, "io" }, \ {VM_SEQ_READ, "seqread" }, \ {VM_RAND_READ, "randread" }, \ {VM_DONTCOPY, "dontcopy" }, \ {VM_DONTEXPAND, "dontexpand" }, \ {VM_LOCKONFAULT, "lockonfault" }, \ {VM_ACCOUNT, "account" }, \ {VM_NORESERVE, "noreserve" }, \ {VM_HUGETLB, "hugetlb" }, \ {VM_SYNC, "sync" }, \ __VM_ARCH_SPECIFIC_1 , \ {VM_WIPEONFORK, "wipeonfork" }, \ {VM_DONTDUMP, "dontdump" }, \ IF_HAVE_VM_SOFTDIRTY(VM_SOFTDIRTY, "softdirty" ) \ {VM_MIXEDMAP, "mixedmap" }, \ {VM_HUGEPAGE, "hugepage" }, \ {VM_NOHUGEPAGE, "nohugepage" }, \ IF_HAVE_VM_DROPPABLE(VM_DROPPABLE, "droppable" ) \ {VM_MERGEABLE, "mergeable" } \ #define show_vma_flags(flags) \ (flags) ? __print_flags(flags, "|", \ __def_vmaflag_names \ ) : "none" #ifdef CONFIG_COMPACTION #define COMPACTION_STATUS \ EM( COMPACT_SKIPPED, "skipped") \ EM( COMPACT_DEFERRED, "deferred") \ EM( COMPACT_CONTINUE, "continue") \ EM( COMPACT_SUCCESS, "success") \ EM( COMPACT_PARTIAL_SKIPPED, "partial_skipped") \ EM( COMPACT_COMPLETE, "complete") \ EM( COMPACT_NO_SUITABLE_PAGE, "no_suitable_page") \ EM( COMPACT_NOT_SUITABLE_ZONE, "not_suitable_zone") \ EMe(COMPACT_CONTENDED, "contended") /* High-level compaction status feedback */ #define COMPACTION_FAILED 1 #define COMPACTION_WITHDRAWN 2 #define COMPACTION_PROGRESS 3 #define compact_result_to_feedback(result) \ ({ \ enum compact_result __result = result; \ (__result == COMPACT_COMPLETE) ? COMPACTION_FAILED : \ (__result == COMPACT_SUCCESS) ? COMPACTION_PROGRESS : COMPACTION_WITHDRAWN; \ }) #define COMPACTION_FEEDBACK \ EM(COMPACTION_FAILED, "failed") \ EM(COMPACTION_WITHDRAWN, "withdrawn") \ EMe(COMPACTION_PROGRESS, "progress") #define COMPACTION_PRIORITY \ EM(COMPACT_PRIO_SYNC_FULL, "COMPACT_PRIO_SYNC_FULL") \ EM(COMPACT_PRIO_SYNC_LIGHT, "COMPACT_PRIO_SYNC_LIGHT") \ EMe(COMPACT_PRIO_ASYNC, "COMPACT_PRIO_ASYNC") #else #define COMPACTION_STATUS #define COMPACTION_PRIORITY #define COMPACTION_FEEDBACK #endif #ifdef CONFIG_ZONE_DMA #define IFDEF_ZONE_DMA(X) X #else #define IFDEF_ZONE_DMA(X) #endif #ifdef CONFIG_ZONE_DMA32 #define IFDEF_ZONE_DMA32(X) X #else #define IFDEF_ZONE_DMA32(X) #endif #ifdef CONFIG_HIGHMEM #define IFDEF_ZONE_HIGHMEM(X) X #else #define IFDEF_ZONE_HIGHMEM(X) #endif #define ZONE_TYPE \ IFDEF_ZONE_DMA( EM (ZONE_DMA, "DMA")) \ IFDEF_ZONE_DMA32( EM (ZONE_DMA32, "DMA32")) \ EM (ZONE_NORMAL, "Normal") \ IFDEF_ZONE_HIGHMEM( EM (ZONE_HIGHMEM,"HighMem")) \ EMe(ZONE_MOVABLE,"Movable") #define LRU_NAMES \ EM (LRU_INACTIVE_ANON, "inactive_anon") \ EM (LRU_ACTIVE_ANON, "active_anon") \ EM (LRU_INACTIVE_FILE, "inactive_file") \ EM (LRU_ACTIVE_FILE, "active_file") \ EMe(LRU_UNEVICTABLE, "unevictable") /* * First define the enums in the above macros to be exported to userspace * via TRACE_DEFINE_ENUM(). */ #undef EM #undef EMe #define EM(a, b) TRACE_DEFINE_ENUM(a); #define EMe(a, b) TRACE_DEFINE_ENUM(a); COMPACTION_STATUS COMPACTION_PRIORITY /* COMPACTION_FEEDBACK are defines not enums. Not needed here. */ ZONE_TYPE LRU_NAMES /* * Now redefine the EM() and EMe() macros to map the enums to the strings * that will be printed in the output. */ #undef EM #undef EMe #define EM(a, b) {a, b}, #define EMe(a, b) {a, b}