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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}
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 gfpflag_string(flag) {(__force unsigned long)flag, #flag}
17
18#define __def_gfpflag_names \
19 gfpflag_string(GFP_TRANSHUGE), \
20 gfpflag_string(GFP_TRANSHUGE_LIGHT), \
21 gfpflag_string(GFP_HIGHUSER_MOVABLE), \
22 gfpflag_string(GFP_HIGHUSER), \
23 gfpflag_string(GFP_USER), \
24 gfpflag_string(GFP_KERNEL_ACCOUNT), \
25 gfpflag_string(GFP_KERNEL), \
26 gfpflag_string(GFP_NOFS), \
27 gfpflag_string(GFP_ATOMIC), \
28 gfpflag_string(GFP_NOIO), \
29 gfpflag_string(GFP_NOWAIT), \
30 gfpflag_string(GFP_DMA), \
31 gfpflag_string(__GFP_HIGHMEM), \
32 gfpflag_string(GFP_DMA32), \
33 gfpflag_string(__GFP_HIGH), \
34 gfpflag_string(__GFP_IO), \
35 gfpflag_string(__GFP_FS), \
36 gfpflag_string(__GFP_NOWARN), \
37 gfpflag_string(__GFP_RETRY_MAYFAIL), \
38 gfpflag_string(__GFP_NOFAIL), \
39 gfpflag_string(__GFP_NORETRY), \
40 gfpflag_string(__GFP_COMP), \
41 gfpflag_string(__GFP_ZERO), \
42 gfpflag_string(__GFP_NOMEMALLOC), \
43 gfpflag_string(__GFP_MEMALLOC), \
44 gfpflag_string(__GFP_HARDWALL), \
45 gfpflag_string(__GFP_THISNODE), \
46 gfpflag_string(__GFP_RECLAIMABLE), \
47 gfpflag_string(__GFP_MOVABLE), \
48 gfpflag_string(__GFP_ACCOUNT), \
49 gfpflag_string(__GFP_WRITE), \
50 gfpflag_string(__GFP_RECLAIM), \
51 gfpflag_string(__GFP_DIRECT_RECLAIM), \
52 gfpflag_string(__GFP_KSWAPD_RECLAIM), \
53 gfpflag_string(__GFP_ZEROTAGS)
54
55#ifdef CONFIG_KASAN_HW_TAGS
56#define __def_gfpflag_names_kasan , \
57 gfpflag_string(__GFP_SKIP_ZERO), \
58 gfpflag_string(__GFP_SKIP_KASAN)
59#else
60#define __def_gfpflag_names_kasan
61#endif
62
63#define show_gfp_flags(flags) \
64 (flags) ? __print_flags(flags, "|", \
65 __def_gfpflag_names __def_gfpflag_names_kasan \
66 ) : "none"
67
68#ifdef CONFIG_MMU
69#define IF_HAVE_PG_MLOCK(_name) ,{1UL << PG_##_name, __stringify(_name)}
70#else
71#define IF_HAVE_PG_MLOCK(_name)
72#endif
73
74#ifdef CONFIG_ARCH_USES_PG_UNCACHED
75#define IF_HAVE_PG_UNCACHED(_name) ,{1UL << PG_##_name, __stringify(_name)}
76#else
77#define IF_HAVE_PG_UNCACHED(_name)
78#endif
79
80#ifdef CONFIG_MEMORY_FAILURE
81#define IF_HAVE_PG_HWPOISON(_name) ,{1UL << PG_##_name, __stringify(_name)}
82#else
83#define IF_HAVE_PG_HWPOISON(_name)
84#endif
85
86#if defined(CONFIG_PAGE_IDLE_FLAG) && defined(CONFIG_64BIT)
87#define IF_HAVE_PG_IDLE(_name) ,{1UL << PG_##_name, __stringify(_name)}
88#else
89#define IF_HAVE_PG_IDLE(_name)
90#endif
91
92#ifdef CONFIG_ARCH_USES_PG_ARCH_X
93#define IF_HAVE_PG_ARCH_X(_name) ,{1UL << PG_##_name, __stringify(_name)}
94#else
95#define IF_HAVE_PG_ARCH_X(_name)
96#endif
97
98#define DEF_PAGEFLAG_NAME(_name) { 1UL << PG_##_name, __stringify(_name) }
99
100#define __def_pageflag_names \
101 DEF_PAGEFLAG_NAME(locked), \
102 DEF_PAGEFLAG_NAME(waiters), \
103 DEF_PAGEFLAG_NAME(error), \
104 DEF_PAGEFLAG_NAME(referenced), \
105 DEF_PAGEFLAG_NAME(uptodate), \
106 DEF_PAGEFLAG_NAME(dirty), \
107 DEF_PAGEFLAG_NAME(lru), \
108 DEF_PAGEFLAG_NAME(active), \
109 DEF_PAGEFLAG_NAME(workingset), \
110 DEF_PAGEFLAG_NAME(slab), \
111 DEF_PAGEFLAG_NAME(owner_priv_1), \
112 DEF_PAGEFLAG_NAME(arch_1), \
113 DEF_PAGEFLAG_NAME(reserved), \
114 DEF_PAGEFLAG_NAME(private), \
115 DEF_PAGEFLAG_NAME(private_2), \
116 DEF_PAGEFLAG_NAME(writeback), \
117 DEF_PAGEFLAG_NAME(head), \
118 DEF_PAGEFLAG_NAME(mappedtodisk), \
119 DEF_PAGEFLAG_NAME(reclaim), \
120 DEF_PAGEFLAG_NAME(swapbacked), \
121 DEF_PAGEFLAG_NAME(unevictable) \
122IF_HAVE_PG_MLOCK(mlocked) \
123IF_HAVE_PG_UNCACHED(uncached) \
124IF_HAVE_PG_HWPOISON(hwpoison) \
125IF_HAVE_PG_IDLE(idle) \
126IF_HAVE_PG_IDLE(young) \
127IF_HAVE_PG_ARCH_X(arch_2) \
128IF_HAVE_PG_ARCH_X(arch_3)
129
130#define show_page_flags(flags) \
131 (flags) ? __print_flags(flags, "|", \
132 __def_pageflag_names \
133 ) : "none"
134
135#define DEF_PAGETYPE_NAME(_name) { PG_##_name, __stringify(_name) }
136
137#define __def_pagetype_names \
138 DEF_PAGETYPE_NAME(hugetlb), \
139 DEF_PAGETYPE_NAME(offline), \
140 DEF_PAGETYPE_NAME(guard), \
141 DEF_PAGETYPE_NAME(table), \
142 DEF_PAGETYPE_NAME(buddy)
143
144#if defined(CONFIG_X86)
145#define __VM_ARCH_SPECIFIC_1 {VM_PAT, "pat" }
146#elif defined(CONFIG_PPC)
147#define __VM_ARCH_SPECIFIC_1 {VM_SAO, "sao" }
148#elif defined(CONFIG_PARISC)
149#define __VM_ARCH_SPECIFIC_1 {VM_GROWSUP, "growsup" }
150#elif !defined(CONFIG_MMU)
151#define __VM_ARCH_SPECIFIC_1 {VM_MAPPED_COPY,"mappedcopy" }
152#else
153#define __VM_ARCH_SPECIFIC_1 {VM_ARCH_1, "arch_1" }
154#endif
155
156#ifdef CONFIG_MEM_SOFT_DIRTY
157#define IF_HAVE_VM_SOFTDIRTY(flag,name) {flag, name },
158#else
159#define IF_HAVE_VM_SOFTDIRTY(flag,name)
160#endif
161
162#ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
163# define IF_HAVE_UFFD_MINOR(flag, name) {flag, name},
164#else
165# define IF_HAVE_UFFD_MINOR(flag, name)
166#endif
167
168#define __def_vmaflag_names \
169 {VM_READ, "read" }, \
170 {VM_WRITE, "write" }, \
171 {VM_EXEC, "exec" }, \
172 {VM_SHARED, "shared" }, \
173 {VM_MAYREAD, "mayread" }, \
174 {VM_MAYWRITE, "maywrite" }, \
175 {VM_MAYEXEC, "mayexec" }, \
176 {VM_MAYSHARE, "mayshare" }, \
177 {VM_GROWSDOWN, "growsdown" }, \
178 {VM_UFFD_MISSING, "uffd_missing" }, \
179IF_HAVE_UFFD_MINOR(VM_UFFD_MINOR, "uffd_minor" ) \
180 {VM_PFNMAP, "pfnmap" }, \
181 {VM_UFFD_WP, "uffd_wp" }, \
182 {VM_LOCKED, "locked" }, \
183 {VM_IO, "io" }, \
184 {VM_SEQ_READ, "seqread" }, \
185 {VM_RAND_READ, "randread" }, \
186 {VM_DONTCOPY, "dontcopy" }, \
187 {VM_DONTEXPAND, "dontexpand" }, \
188 {VM_LOCKONFAULT, "lockonfault" }, \
189 {VM_ACCOUNT, "account" }, \
190 {VM_NORESERVE, "noreserve" }, \
191 {VM_HUGETLB, "hugetlb" }, \
192 {VM_SYNC, "sync" }, \
193 __VM_ARCH_SPECIFIC_1 , \
194 {VM_WIPEONFORK, "wipeonfork" }, \
195 {VM_DONTDUMP, "dontdump" }, \
196IF_HAVE_VM_SOFTDIRTY(VM_SOFTDIRTY, "softdirty" ) \
197 {VM_MIXEDMAP, "mixedmap" }, \
198 {VM_HUGEPAGE, "hugepage" }, \
199 {VM_NOHUGEPAGE, "nohugepage" }, \
200 {VM_MERGEABLE, "mergeable" } \
201
202#define show_vma_flags(flags) \
203 (flags) ? __print_flags(flags, "|", \
204 __def_vmaflag_names \
205 ) : "none"
206
207#ifdef CONFIG_COMPACTION
208#define COMPACTION_STATUS \
209 EM( COMPACT_SKIPPED, "skipped") \
210 EM( COMPACT_DEFERRED, "deferred") \
211 EM( COMPACT_CONTINUE, "continue") \
212 EM( COMPACT_SUCCESS, "success") \
213 EM( COMPACT_PARTIAL_SKIPPED, "partial_skipped") \
214 EM( COMPACT_COMPLETE, "complete") \
215 EM( COMPACT_NO_SUITABLE_PAGE, "no_suitable_page") \
216 EM( COMPACT_NOT_SUITABLE_ZONE, "not_suitable_zone") \
217 EMe(COMPACT_CONTENDED, "contended")
218
219/* High-level compaction status feedback */
220#define COMPACTION_FAILED 1
221#define COMPACTION_WITHDRAWN 2
222#define COMPACTION_PROGRESS 3
223
224#define compact_result_to_feedback(result) \
225({ \
226 enum compact_result __result = result; \
227 (__result == COMPACT_COMPLETE) ? COMPACTION_FAILED : \
228 (__result == COMPACT_SUCCESS) ? COMPACTION_PROGRESS : COMPACTION_WITHDRAWN; \
229})
230
231#define COMPACTION_FEEDBACK \
232 EM(COMPACTION_FAILED, "failed") \
233 EM(COMPACTION_WITHDRAWN, "withdrawn") \
234 EMe(COMPACTION_PROGRESS, "progress")
235
236#define COMPACTION_PRIORITY \
237 EM(COMPACT_PRIO_SYNC_FULL, "COMPACT_PRIO_SYNC_FULL") \
238 EM(COMPACT_PRIO_SYNC_LIGHT, "COMPACT_PRIO_SYNC_LIGHT") \
239 EMe(COMPACT_PRIO_ASYNC, "COMPACT_PRIO_ASYNC")
240#else
241#define COMPACTION_STATUS
242#define COMPACTION_PRIORITY
243#define COMPACTION_FEEDBACK
244#endif
245
246#ifdef CONFIG_ZONE_DMA
247#define IFDEF_ZONE_DMA(X) X
248#else
249#define IFDEF_ZONE_DMA(X)
250#endif
251
252#ifdef CONFIG_ZONE_DMA32
253#define IFDEF_ZONE_DMA32(X) X
254#else
255#define IFDEF_ZONE_DMA32(X)
256#endif
257
258#ifdef CONFIG_HIGHMEM
259#define IFDEF_ZONE_HIGHMEM(X) X
260#else
261#define IFDEF_ZONE_HIGHMEM(X)
262#endif
263
264#define ZONE_TYPE \
265 IFDEF_ZONE_DMA( EM (ZONE_DMA, "DMA")) \
266 IFDEF_ZONE_DMA32( EM (ZONE_DMA32, "DMA32")) \
267 EM (ZONE_NORMAL, "Normal") \
268 IFDEF_ZONE_HIGHMEM( EM (ZONE_HIGHMEM,"HighMem")) \
269 EMe(ZONE_MOVABLE,"Movable")
270
271#define LRU_NAMES \
272 EM (LRU_INACTIVE_ANON, "inactive_anon") \
273 EM (LRU_ACTIVE_ANON, "active_anon") \
274 EM (LRU_INACTIVE_FILE, "inactive_file") \
275 EM (LRU_ACTIVE_FILE, "active_file") \
276 EMe(LRU_UNEVICTABLE, "unevictable")
277
278/*
279 * First define the enums in the above macros to be exported to userspace
280 * via TRACE_DEFINE_ENUM().
281 */
282#undef EM
283#undef EMe
284#define EM(a, b) TRACE_DEFINE_ENUM(a);
285#define EMe(a, b) TRACE_DEFINE_ENUM(a);
286
287COMPACTION_STATUS
288COMPACTION_PRIORITY
289/* COMPACTION_FEEDBACK are defines not enums. Not needed here. */
290ZONE_TYPE
291LRU_NAMES
292
293/*
294 * Now redefine the EM() and EMe() macros to map the enums to the strings
295 * that will be printed in the output.
296 */
297#undef EM
298#undef EMe
299#define EM(a, b) {a, b},
300#define EMe(a, b) {a, b}