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/linux/tools/testing/selftests/mm/
H A Dcharge_reserved_hugetlb.sh91 MB=$(get_machine_hugepage_size)
101 echo "$cgroup_limit" >$cgroup_path/$name/hugetlb.${MB}MB.$fault_limit_file
105 $cgroup_path/$name/hugetlb.${MB}MB.$reservation_limit_file
140 local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$reservation_usage_file"
148 local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$reservation_usage_file"
156 local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$fault_usage_file"
178 local hugetlb_usage=$cgroup_path/$cgroup/hugetlb.${MB}MB.$fault_usage_file
179 local reserved_usage=$cgroup_path/$cgroup/hugetlb.${MB}MB.$reservation_usage_file
279 local size=$(($1 * ${MB} * 1024 * 1024))
282 local cgroup_limit=$(($4 * ${MB} * 1024 * 1024))
[all …]
/linux/Documentation/arch/xtensa/
H A Dmmu.rst62 5. The parent-bus-address value is rounded down to the nearest 256MB boundary
64 6. The IO area covers the entire 256MB segment of parent-bus-address; the
83 | VMALLOC area | VMALLOC_START 0xc0000000 128MB - 64KB
96 | | (4MB * DCACHE_N_COLORS)
104 | Cached KSEG | XCHAL_KSEG_CACHED_VADDR 0xd0000000 128MB
106 | Uncached KSEG | XCHAL_KSEG_BYPASS_VADDR 0xd8000000 128MB
108 | Cached KIO | XCHAL_KIO_CACHED_VADDR 0xe0000000 256MB
110 | Uncached KIO | XCHAL_KIO_BYPASS_VADDR 0xf0000000 256MB
114 256MB cached + 256MB uncached layout::
126 | VMALLOC area | VMALLOC_START 0xa0000000 128MB - 64KB
[all …]
/linux/tools/testing/selftests/cgroup/
H A Dtest_memcontrol.c175 size_t size = MB(50); in alloc_anon_50M_check()
211 size_t size = MB(50); in alloc_pagecache_50M_check()
274 if (peak < MB(50)) in test_memcg_current_peak()
330 if (peak < MB(50)) in test_memcg_current_peak()
347 if (peak > MB(30) || peak < 0) in test_memcg_current_peak()
354 if (peak < MB(50)) in test_memcg_current_peak()
359 if (peak < MB(50)) in test_memcg_current_peak()
363 if (peak < MB(50)) in test_memcg_current_peak()
395 if (alloc_pagecache(fd, MB(50))) in alloc_pagecache_50M_noexit()
564 MB(150), 3)) { in test_memcg_protection()
[all …]
/linux/arch/x86/kernel/
H A Dearly-quirks.c243 #define MB(x) (KB (KB (x))) macro
253 return MB(1); in i830_tseg_size()
268 case I845_TSEG_SIZE_1M: return MB(1); in i845_tseg_size()
282 return MB(1); in i85x_tseg_size()
287 return read_pci_config_byte(0, 0, 0, I830_DRB3) * MB(32); in i830_mem_size()
292 return read_pci_config_byte(0, 0, 1, I85X_DRB3) * MB(32); in i85x_mem_size()
364 case I830_GMCH_GMS_STOLEN_1024: return MB(1); in i830_stolen_size()
365 case I830_GMCH_GMS_STOLEN_8192: return MB(8); in i830_stolen_size()
384 case I855_GMCH_GMS_STOLEN_1M: return MB(1); in gen3_stolen_size()
385 case I855_GMCH_GMS_STOLEN_4M: return MB(4); in gen3_stolen_size()
[all …]
/linux/tools/memory-model/
H A Dlinux-kernel.def17 smp_store_mb(X,V) { __store{ONCE}(X,V); __fence{MB}; }
20 smp_mb() { __fence{MB}; }
31 xchg(X,V) __xchg{MB}(X,V)
35 cmpxchg(X,V,W) __cmpxchg{MB}(X,V,W)
75 atomic_add_return(V,X) __atomic_op_return{MB}(X,+,V)
79 atomic_fetch_add(V,X) __atomic_fetch_op{MB}(X,+,V)
84 atomic_fetch_and(V,X) __atomic_fetch_op{MB}(X,&,V)
89 atomic_fetch_or(V,X) __atomic_fetch_op{MB}(X,|,V)
94 atomic_fetch_xor(V,X) __atomic_fetch_op{MB}(X,^,V)
99 atomic_inc_return(X) __atomic_op_return{MB}(X,+,1)
[all …]
/linux/tools/perf/Documentation/
H A Dperf-iostat.txt18 - Inbound Read - I/O devices below root port read from the host memory, in MB
20 - Inbound Write - I/O devices below root port write to the host memory, in MB
22 - Outbound Read - CPU reads from I/O devices below root port, in MB
24 - Outbound Write - CPU writes to I/O devices below root port, in MB
61 … port Inbound Read(MB) Inbound Write(MB) Outbound Read(MB) Outbound Write(MB)
80 … port Inbound Read(MB) Inbound Write(MB) Outbound Read(MB) Outbound Write(MB)
/linux/Documentation/driver-api/cxl/
H A Dtheory-of-operation.rst61 "pmem_size":"256.00 MiB (268.44 MB)",
62 "ram_size":"256.00 MiB (268.44 MB)",
73 "pmem_size":"256.00 MiB (268.44 MB)",
74 "ram_size":"256.00 MiB (268.44 MB)",
91 "pmem_size":"256.00 MiB (268.44 MB)",
92 "ram_size":"256.00 MiB (268.44 MB)",
103 "pmem_size":"256.00 MiB (268.44 MB)",
104 "ram_size":"256.00 MiB (268.44 MB)",
127 "pmem_size":"256.00 MiB (268.44 MB)",
128 "ram_size":"256.00 MiB (268.44 MB)",
[all …]
/linux/drivers/net/ethernet/intel/ice/
H A Dice_ethtool.h71 [0] = ICE_PHY_TYPE(100MB, 100baseT_Full),
72 [1] = ICE_PHY_TYPE(100MB, 100baseT_Full),
73 [2] = ICE_PHY_TYPE(1000MB, 1000baseT_Full),
74 [3] = ICE_PHY_TYPE(1000MB, 1000baseX_Full),
75 [4] = ICE_PHY_TYPE(1000MB, 1000baseX_Full),
76 [5] = ICE_PHY_TYPE(1000MB, 1000baseKX_Full),
77 [6] = ICE_PHY_TYPE(1000MB, 1000baseT_Full),
78 [7] = ICE_PHY_TYPE(2500MB, 2500baseT_Full),
79 [8] = ICE_PHY_TYPE(2500MB, 2500baseX_Full),
80 [9] = ICE_PHY_TYPE(2500MB, 2500baseX_Full),
/linux/Documentation/arch/x86/x86_64/
H A Dmm.rst20 from TB to GB and then MB/KB.
77 …ffffffff80000000 | -2 GB | ffffffff9fffffff | 512 MB | kernel text mapping, mapped to physic…
78 ffffffff80000000 |-2048 MB | | |
79 ffffffffa0000000 |-1536 MB | fffffffffeffffff | 1520 MB | module mapping space
80 ffffffffff000000 | -16 MB | | |
81 …FIXADDR_START | ~-11 MB | ffffffffff5fffff | ~0.5 MB | kernel-internal fixmap range, variable s…
82 ffffffffff600000 | -10 MB | ffffffffff600fff | 4 kB | legacy vsyscall ABI
83 ffffffffffe00000 | -2 MB | ffffffffffffffff | 2 MB | ... unused hole
147 …ffffffff80000000 | -2 GB | ffffffff9fffffff | 512 MB | kernel text mapping, mapped to physic…
148 ffffffff80000000 |-2048 MB | | |
[all …]
/linux/arch/arm/boot/dts/xilinx/
H A Dzynq-cc108.dts58 flash@0 { /* 16 MB */
68 reg = <0x0 0x400000>; /* 4MB */
72 reg = <0x400000 0x400000>; /* 4MB */
76 reg = <0x800000 0x400000>; /* 4MB */
80 reg = <0xc00000 0x100000>; /* 1MB */
84 reg = <0xd00000 0x200000>; /* 2MB */
88 reg = <0xf00000 0x100000>; /* 1MB */
/linux/arch/powerpc/boot/dts/fsl/
H A Dc293pcie.dts83 /* 1MB for DTB Image */
89 /* 8 MB for Linux Kernel Image */
95 /* 53MB for rootfs */
101 /* 1MB for blob encrypted key */
122 /* 1MB for u-boot Bootloader Image */
129 /* 1MB for DTB Image */
135 /* 16MB for Linux Kernel Image */
141 /* 4078MB for Root file System Image */
175 /* 1MB for u-boot Bootloader Image */
176 /* 1MB for Environment */
[all …]
H A Dp1024rdb.dtsi59 /* 3.5 MB for Linux Kernel Image */
65 /* 11MB for JFFS2 based Root file System */
89 /* 1MB for u-boot Bootloader Image */
96 /* 1MB for DTB Image */
102 /* 4MB for Linux Kernel Image */
108 /* 4MB for Compressed Root file System Image */
114 /* 15MB for JFFS2 based Root file System */
120 /* 7MB for User Writable Area */
150 /* 4MB for Linux Kernel Image */
156 /* 4MB for Compressed RFS Image */
[all …]
H A Dp2020rdb.dts60 /* 3.5 MB for Linux Kernel Image */
67 /* 11MB for JFFS2 based Root file System */
91 /* 1MB for u-boot Bootloader Image */
98 /* 1MB for DTB Image */
105 /* 4MB for Linux Kernel Image */
112 /* 4MB for Compressed Root file System Image */
119 /* 7MB for JFFS2 based Root file System */
125 /* 15MB for JFFS2 based Root file System */
173 /* 4MB for Linux Kernel Image */
180 /* 4MB for Compressed RFS Image */
[all …]
H A Dp2020rdb-pc.dtsi59 /* 3.5 MB for Linux Kernel Image */
65 /* 11MB for JFFS2 based Root file System */
89 /* 1MB for u-boot Bootloader Image */
96 /* 1MB for DTB Image */
102 /* 4MB for Linux Kernel Image */
108 /* 4MB for Compressed Root file System Image */
114 /* 7MB for JFFS2 based Root file System */
120 /* 15MB for JFFS2 based Root file System */
172 /* 4MB for Linux Kernel Image */
178 /* 4MB for Compressed RFS Image */
[all …]
H A Dp1020rdb.dtsi60 /* 3.5 MB for Linux Kernel Image */
67 /* 11MB for JFFS2 based Root file System */
91 /* 1MB for u-boot Bootloader Image */
98 /* 1MB for DTB Image */
105 /* 4MB for Linux Kernel Image */
112 /* 4MB for Compressed Root file System Image */
119 /* 7MB for JFFS2 based Root file System */
125 /* 15MB for JFFS2 based Root file System */
170 /* 4MB for Linux Kernel Image */
177 /* 4MB for Compressed RFS Image */
[all …]
H A Dp1021rdb-pc.dtsi59 /* 3.5 MB for Linux Kernel Image */
65 /* 10.75MB for JFFS2 based Root file System */
96 /* 1MB for u-boot Bootloader Image */
103 /* 1MB for DTB Image */
109 /* 4MB for Linux Kernel Image */
115 /* 4MB for Compressed Root file System Image */
121 /* 7MB for JFFS2 based Root file System */
127 /* 15MB for User Writable Area */
171 /* 4MB for Linux Kernel Image */
177 /* 4MB for Compressed RFS Image */
[all …]
H A Dp1020rdb-pc.dtsi59 /* 3.5 MB for Linux Kernel Image */
65 /* 11MB for JFFS2 based Root file System */
89 /* 1MB for u-boot Bootloader Image */
96 /* 1MB for DTB Image */
102 /* 4MB for Linux Kernel Image */
108 /* 4MB for Compressed Root file System Image */
114 /* 7MB for JFFS2 based Root file System */
120 /* 15MB for JFFS2 based Root file System */
172 /* 4MB for Linux Kernel Image */
178 /* 4MB for Compressed RFS Image */
[all …]
/linux/arch/alpha/kernel/
H A Dpci.c123 #define MB (1024*KB) macro
124 #define GB (1024*MB)
170 if (hose->sparse_mem_base && size <= 7 * 16*MB) { in pcibios_align_resource()
171 if (((start / (16*MB)) & 0x7) == 0) { in pcibios_align_resource()
172 start &= ~(128*MB - 1); in pcibios_align_resource()
173 start += 16*MB; in pcibios_align_resource()
176 if (start/(128*MB) != (start + size - 1)/(128*MB)) { in pcibios_align_resource()
177 start &= ~(128*MB - 1); in pcibios_align_resource()
178 start += (128 + 16)*MB; in pcibios_align_resource()
187 #undef MB
/linux/Documentation/translations/zh_CN/arch/arm64/
H A Dbooting.txt69 设备树数据块（dtb）必须 8 字节对齐，且大小不能超过 2MB。由于设备树
70 数据块将在使能缓存的情况下以 2MB 粒度被映射，故其不能被置于必须以特定
74 text_offset 字节处算起第一个 512MB 内。
129 0 - 2MB 对齐基址应尽量靠近内存起始处，因为
131 1 - 2MB 对齐基址可以在物理内存的任意位置
138 内核映像必须被放置在任意一个可用系统内存 2MB 对齐基址的 text_offset
139 字节处，并从该处被调用。2MB 对齐基址和内核映像起始地址之间的区域对于
/linux/arch/arm64/boot/dts/broadcom/northstar2/
H A Dns2-xmc.dts90 reg = <0x00000000 0x00280000>; /* 2.5MB */
96 reg = <0x00280000 0x00040000>; /* 0.25MB */
102 reg = <0x002c0000 0x00040000>; /* 0.25MB */
108 reg = <0x00300000 0x03d00000>; /* 61MB */
114 reg = <0x04000000 0x06400000>; /* 100MB */
119 reg = <0x0a400000 0x35c00000>; /* 860MB */
178 reg = <0x00200000 0x00e00000>; /* 14MB */
183 reg = <0x01000000 0x01000000>; /* 16MB */
/linux/Documentation/translations/zh_TW/arch/arm64/
H A Dbooting.txt73 設備樹數據塊（dtb）必須 8 字節對齊，且大小不能超過 2MB。由於設備樹
74 數據塊將在使能緩存的情況下以 2MB 粒度被映射，故其不能被置於必須以特定
78 text_offset 字節處算起第一個 512MB 內。
133 0 - 2MB 對齊基址應儘量靠近內存起始處，因爲
135 1 - 2MB 對齊基址可以在物理內存的任意位置
142 內核映像必須被放置在任意一個可用系統內存 2MB 對齊基址的 text_offset
143 字節處，並從該處被調用。2MB 對齊基址和內核映像起始地址之間的區域對於
/linux/tools/memory-model/Documentation/
H A Dherd-representation.txt43 | smp_store_mb | W[ONCE] ->po F[MB] |
44 | smp_mb | F[MB] |
74 | atomic_add_return | R*[MB] ->rmw W*[MB] |
101 | atomic_cmpxchg | On success: R*[MB] ->rmw W*[MB] |
102 | | On failure: R*[MB] |
/linux/arch/arm/boot/dts/marvell/
H A Darmada-xp-linksys-mamba.dts36 reg = <0x00000000 0x00000000 0x00000000 0x10000000>; /* 256MB */
333 reg = <0x0000000 0x100000>; /* 1MB */
349 reg = <0x900000 0x100000>; /* 1MB */
356 reg = <0xa00000 0x2800000>; /* 40MB */
361 reg = <0xd00000 0x2500000>; /* 37MB */
367 reg = <0x3200000 0x2800000>; /* 40MB */
372 reg = <0x3500000 0x2500000>; /* 37MB */
376 * 38MB, last MB is for the BBT, not writable
391 reg = <0x180000 0x780000>; /* 7.5MB */
/linux/drivers/char/agp/
H A Dintel-gtt.c374 stolen_size = MB(1); in intel_gtt_stolen_size()
377 stolen_size = MB(8); in intel_gtt_stolen_size()
382 MB(ddt[I830_RDRAM_DDT(rdct)]); in intel_gtt_stolen_size()
392 stolen_size = MB(1); in intel_gtt_stolen_size()
395 stolen_size = MB(4); in intel_gtt_stolen_size()
398 stolen_size = MB(8); in intel_gtt_stolen_size()
401 stolen_size = MB(16); in intel_gtt_stolen_size()
404 stolen_size = MB(32); in intel_gtt_stolen_size()
407 stolen_size = MB(48); in intel_gtt_stolen_size()
410 stolen_size = MB(64); in intel_gtt_stolen_size()
[all …]
/linux/arch/x86/pci/
H A Dce4100.c38 #define MB (1024 * 1024) macro
98 DEFINE_REG(2, 0, 0x10, (16*MB), reg_init, reg_read, reg_write)
107 DEFINE_REG(8, 0, 0x10, (1*MB), reg_init, reg_read, reg_write)
110 DEFINE_REG(9, 0, 0x10 , (1*MB), reg_init, reg_read, reg_write)
113 DEFINE_REG(10, 0, 0x14, (256*MB), reg_init, reg_read, reg_write)
142 DEFINE_REG(16, 0, 0x14, (64*MB), reg_init, reg_read, reg_write)
143 DEFINE_REG(16, 0, 0x18, (64*MB), reg_init, reg_read, reg_write)
201 av_bridge_limit = av_bridge_base + (512*MB - 1); in bridge_read()

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