| /linux-6.6.21/Documentation/power/ |
| D | swsusp-and-swap-files.rst | 2 Using swap files with software suspend (swsusp)
7 The Linux kernel handles swap files almost in the same way as it handles swap
8 partitions and there are only two differences between these two types of swap
10 (1) swap files need not be contiguous,
11 (2) the header of a swap file is not in the first block of the partition that
13 already taken care of by the swap-handling code, but (2) has to be taken into
16 In principle the location of a swap file's header may be determined with the
18 filesystem holding the swap file to be mounted, and if this filesystem is
20 identify a swap file swsusp uses the name of the partition that holds the file
21 and the offset from the beginning of the partition at which the swap file's
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| D | swsusp.rst | 51 - If you would like to write hibernation image to swap and then suspend
102 powerdowns. You must explicitly specify the swap partition to resume from with
185 encryption) and arbitrary backends for writing the image (eg to swap
224 * SUSPEND all but swap device and parents
227 * SUSPEND swap device and parents
230 Oh no, that does not work, if swap device or its parents uses DMA,
233 * SUSPEND all but swap device and parents
234 * FREEZE swap device and parents
236 * UNFREEZE swap device and parents
238 * SUSPEND swap device and parents
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| D | swsusp-dmcrypt.rst | 17 the swap device(s) and the boot partition which may contain a mini
21 At this point you want to encrypt your swap, too. Still you want to
27 swap device.
30 a way that the swap device you suspend to/resume from has
33 to always set up this swap device first with dmsetup, so that
56 card contains at least the encrypted swap setup in a file
67 initrd that allows you to resume from encrypted swap and that
126 pcmcia flash disk. If this succeeds we need to reset the swap
133 Otherwise we just remove the encrypted swap device and leave it to the
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| /linux-6.6.21/drivers/gpu/drm/xlnx/ |
| D | zynqmp_disp.c | 77 bool swap; member
192 .swap = true,
197 .swap = false,
202 .swap = false,
207 .swap = true,
212 .swap = false,
217 .swap = true,
222 .swap = false,
227 .swap = true,
232 .swap = false,
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| /linux-6.6.21/Documentation/admin-guide/mm/ |
| D | swap_numa.rst | 2 Automatically bind swap device to numa node
5 If the system has more than one swap device and swap device has the node
6 information, we can make use of this information to decide which swap
15 for swap devices. e.g. on a 2 node machine, assume 2 swap devices swapA and
22 Then node 0 will use the two swap devices in the order of swapA then swapB and
23 node 1 will use the two swap devices in the order of swapB then swapA. Note
26 A more complex example on a 4 node machine. Assume 6 swap devices are going to
29 The way to swap them on is the same as above::
42 swapA and swapB will be used in a round robin mode before any other swap device.
53 other swap devices.
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| D | zswap.rst | 8 Zswap is a lightweight compressed cache for swap pages. It takes pages that are
11 for potentially reduced swap I/O. This trade-off can also result in a
13 faster than reads from a swap device.
20 dramatically reduce their swap I/O pressure, avoiding heavy handed I/O
23 * Users with SSDs as swap devices can extend the life of the device by
26 Zswap evicts pages from compressed cache on an LRU basis to the backing swap
45 pages out of the compressed pool, a swapoff on the swap device(s) will
52 Zswap receives pages for compression from the swap subsystem and is able to
54 the backing swap device in the case that the compressed pool is full.
73 When a swap page is passed from swapout to zswap, zswap maintains a mapping
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| /linux-6.6.21/scripts/coccinelle/misc/ |
| D | swap.cocci | 3 /// Check for opencoded swap() implementation.
9 // Keywords: swap
64 + swap(a, b)
76 + swap(a, b)
85 swap(...);
90 swap(...);
95 swap(...);
104 coccilib.report.print_report(p[0], "WARNING opportunity for swap()")
110 coccilib.org.print_todo(p[0], "WARNING opportunity for swap()")
116 coccilib.report.print_report(p[0], "WARNING opportunity for swap()")
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| /linux-6.6.21/arch/arm/vdso/ |
| D | vdsomunge.c | 101 static Elf32_Word read_elf_word(Elf32_Word word, bool swap) in read_elf_word() argument
103 return swap ? swab32(word) : word; in read_elf_word()
106 static Elf32_Half read_elf_half(Elf32_Half half, bool swap) in read_elf_half() argument
108 return swap ? swab16(half) : half; in read_elf_half()
111 static void write_elf_word(Elf32_Word val, Elf32_Word *dst, bool swap) in write_elf_word() argument
113 *dst = swap ? swab32(val) : val; in write_elf_word()
125 bool swap; in main() local
159 swap = inhdr->e_ident[EI_DATA] != HOST_ORDER; in main()
161 if (read_elf_half(inhdr->e_type, swap) != ET_DYN) in main()
164 if (read_elf_half(inhdr->e_machine, swap) != EM_ARM) in main()
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| /linux-6.6.21/Documentation/ABI/testing/ |
| D | sysfs-kernel-mm-swap | 1 What: /sys/kernel/mm/swap/
6 What: /sys/kernel/mm/swap/vma_ra_enabled
9 Description: Enable/disable VMA based swap readahead.
11 If set to true, the VMA based swap readahead algorithm
13 VMA, and the global swap readahead algorithm will be
15 false, the global swap readahead algorithm will be
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| /linux-6.6.21/kernel/power/ |
| D | user.c | 33 int swap; member
74 data->swap = swap_type_of(swsusp_resume_device, 0); in snapshot_open()
85 data->swap = -1; in snapshot_open()
117 free_all_swap_pages(data->swap); in snapshot_release()
242 data->swap = swap_type_of(swdev, offset); in snapshot_set_swap_area()
243 if (data->swap < 0) in snapshot_set_swap_area()
359 size = count_swap_pages(data->swap, 1); in snapshot_ioctl()
365 if (data->swap < 0 || data->swap >= MAX_SWAPFILES) { in snapshot_ioctl()
369 offset = alloc_swapdev_block(data->swap); in snapshot_ioctl()
379 if (data->swap < 0 || data->swap >= MAX_SWAPFILES) { in snapshot_ioctl()
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| /linux-6.6.21/include/linux/mtd/ |
| D | cfi_endian.h | 29 #define cpu_to_cfi16(map, x) _cpu_to_cfi(16, (map)->swap, (x))
30 #define cpu_to_cfi32(map, x) _cpu_to_cfi(32, (map)->swap, (x))
31 #define cpu_to_cfi64(map, x) _cpu_to_cfi(64, (map)->swap, (x))
32 #define cfi16_to_cpu(map, x) _cfi_to_cpu(16, (map)->swap, (x))
33 #define cfi32_to_cpu(map, x) _cfi_to_cpu(32, (map)->swap, (x))
34 #define cfi64_to_cpu(map, x) _cfi_to_cpu(64, (map)->swap, (x))
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| /linux-6.6.21/arch/m68k/ifpsp060/src/ |
| D | ilsp.S | 299 swap %d5 # same as r*b if previous step rqd
300 swap %d6 # get u3 to lsw position
306 swap %d6 # get u4
311 swap %d1
314 swap %d5 # now remainder
344 swap %d2
345 swap %d3
363 swap %d6 # in lsw position
367 swap %d3
372 swap %d4
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| /linux-6.6.21/sound/firewire/bebob/ |
| D | bebob_focusrite.c | 250 swap(buf[1], buf[3]); in saffire_meter_get()
251 swap(buf[2], buf[3]); in saffire_meter_get()
252 swap(buf[3], buf[4]); in saffire_meter_get()
254 swap(buf[7], buf[10]); in saffire_meter_get()
255 swap(buf[8], buf[10]); in saffire_meter_get()
256 swap(buf[9], buf[11]); in saffire_meter_get()
257 swap(buf[11], buf[12]); in saffire_meter_get()
259 swap(buf[15], buf[16]); in saffire_meter_get()
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| /linux-6.6.21/drivers/video/fbdev/ |
| D | pxa168fb.h | 236 #define CFG_GRA_SWAPRB(swap) ((swap) << 12) argument
238 #define CFG_GRA_SWAPUV(swap) ((swap) << 11) argument
240 #define CFG_GRA_SWAPYU(swap) ((swap) << 10) argument
253 #define CFG_DMA_SWAPRB(swap) ((swap) << 4) argument
255 #define CFG_DMA_SWAPUV(swap) ((swap) << 3) argument
257 #define CFG_DMA_SWAPYU(swap) ((swap) << 2) argument
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| /linux-6.6.21/drivers/staging/wlan-ng/ |
| D | p80211wep.c | 108 swap(i, j); in wep_decrypt()
117 swap(i, j); in wep_decrypt()
131 swap(i, j); in wep_decrypt()
179 swap(i, j); in wep_encrypt()
188 swap(i, j); in wep_encrypt()
202 swap(i, j); in wep_encrypt()
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| /linux-6.6.21/arch/m68k/math-emu/ |
| D | fp_move.S | 49 swap %d1 | one can be trashed below
83 swap %d1
99 swap %d2
111 swap %d2
122 swap %d2
130 swap %d2
191 swap %d2
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| D | fp_cond.S | 63 swap %d0
68 swap %d0
83 swap %d1 | test condition in %d1
103 swap %d1
118 swap %d1
120 swap %d1
165 swap %d1
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| /linux-6.6.21/Documentation/translations/zh_TW/filesystems/ |
| D | tmpfs.rst | 20 頁面swap出去。它具有最大限制，可以通過「mount -o remount ...」調整。
24 此之上創建一個普通的文件系統。Ramdisks無法swap，因此無法調整它們的大小。
26 由於tmpfs完全保存於頁面緩存和swap中，因此所有tmpfs頁面將在/proc/meminfo
48 swap分區。目前循環掛載tmpfs可以正常工作，所以大多數發布都應當可以
57 size tmpfs實例分配的字節數限制。默認值是不swap時物理RAM的一半。
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| /linux-6.6.21/Documentation/translations/zh_CN/filesystems/ |
| D | tmpfs.rst | 19 页面swap出去。它具有最大限制，可以通过“mount -o remount ...”调整。
23 此之上创建一个普通的文件系统。Ramdisks无法swap，因此无法调整它们的大小。
25 由于tmpfs完全保存于页面缓存和swap中，因此所有tmpfs页面将在/proc/meminfo
47 swap分区。目前循环挂载tmpfs可以正常工作，所以大多数发布都应当可以
56 size tmpfs实例分配的字节数限制。默认值是不swap时物理RAM的一半。
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| /linux-6.6.21/drivers/ata/ |
| D | pata_falcon.c | 53 bool swap = 1; in pata_falcon_data_xfer() local
57 swap = (uintptr_t)ap->private_data & BIT(dev->devno); in pata_falcon_data_xfer()
61 if (swap) in pata_falcon_data_xfer()
66 if (swap) in pata_falcon_data_xfer()
80 if (swap) in pata_falcon_data_xfer()
87 if (swap) in pata_falcon_data_xfer()
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| /linux-6.6.21/drivers/staging/vt6655/ |
| D | card.c | 556 swap(phy.swap[0], phy.swap[1]); in CARDvSetRSPINF()
565 swap(phy.swap[0], phy.swap[1]); in CARDvSetRSPINF()
574 swap(phy.swap[0], phy.swap[1]); in CARDvSetRSPINF()
583 swap(phy.swap[0], phy.swap[1]); in CARDvSetRSPINF()
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| /linux-6.6.21/arch/sh/lib/ |
| D | udivsi3_i4i-Os.S | 31 swap.w r4,r0
47 swap.w r4,r4
53 swap.w r0,r0
103 swap.w r4,r0
115 swap.w r4,r0
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| /linux-6.6.21/Documentation/admin-guide/cgroup-v1/ |
| D | memcg_test.rst | 47 Called when swp_entry's refcnt goes down to 0. A charge against swap
75 At swap-in, the page is taken from swap-cache. There are 2 cases.
82 At swap-out, typical state transition is below.
84 (a) add to swap cache. (marked as SwapCache)
88 (c) write back to swap.
89 (d) delete from swap cache. (remove from SwapCache)
121 - Both on radix-tree and SwapCache. This happens at swap-in
122 and swap-out,
248 Besides management of swap is one of complicated parts of memcg,
249 call path of swap-in at swapoff is not same as usual swap-in path..
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| /linux-6.6.21/drivers/gpu/drm/tegra/ |
| D | plane.c | 65 copy->swap = state->swap; in tegra_plane_atomic_duplicate_state()
326 int tegra_plane_format(u32 fourcc, u32 *format, u32 *swap) in tegra_plane_format() argument
329 if (swap) in tegra_plane_format()
330 *swap = BYTE_SWAP_NOSWAP; in tegra_plane_format()
410 if (!swap) in tegra_plane_format()
414 *swap = BYTE_SWAP_SWAP2; in tegra_plane_format()
418 if (!swap) in tegra_plane_format()
422 *swap = BYTE_SWAP_SWAP4; in tegra_plane_format()
426 if (!swap) in tegra_plane_format()
430 *swap = BYTE_SWAP_SWAP4HW; in tegra_plane_format()
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| /linux-6.6.21/include/trace/events/ |
| D | huge_memory.h | 178 int present, int swap, int result),
180 TP_ARGS(mm, page, file, present, swap, result),
187 __field(int, swap)
196 __entry->swap = swap;
205 __entry->swap,
|