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v5.4
  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}
v4.17
  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"	}		\
103IF_HAVE_PG_MLOCK(PG_mlocked,		"mlocked"	)		\
104IF_HAVE_PG_UNCACHED(PG_uncached,	"uncached"	)		\
105IF_HAVE_PG_HWPOISON(PG_hwpoison,	"hwpoison"	)		\
106IF_HAVE_PG_IDLE(PG_young,		"young"		)		\
107IF_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"	},		\
159IF_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
250COMPACTION_STATUS
251COMPACTION_PRIORITY
252/* COMPACTION_FEEDBACK are defines not enums. Not needed here. */
253ZONE_TYPE
254LRU_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}