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/Linux-v5.4/arch/unicore32/
D.gitignore16 # Generated files in boot/compressed
18 boot/compressed/piggy.S
19 boot/compressed/piggy.gzip
20 boot/compressed/vmlinux
21 boot/compressed/vmlinux.lds
/Linux-v5.4/Documentation/vm/
Dzswap.rst10 Zswap is a lightweight compressed cache for swap pages. It takes pages that are
14 significant performance improvement if reads from the compressed cache are
34 Zswap evicts pages from compressed cache on an LRU basis to the backing swap
35 device when the compressed pool reaches its size limit. This requirement had
48 back into memory all of the pages stored in the compressed pool. The
49 pages stored in zswap will remain in the compressed pool until they are
51 pages out of the compressed pool, a swapoff on the swap device(s) will
53 compressed pool.
59 evict pages from its own compressed pool on an LRU basis and write them back to
60 the backing swap device in the case that the compressed pool is full.
[all …]
Dz3fold.rst7 z3fold is a special purpose allocator for storing compressed pages.
8 It is designed to store up to three compressed pages per physical page.
15 * z3fold can hold up to 3 compressed pages in its page
20 stores an integral number of compressed pages per page, but it can store
/Linux-v5.4/arch/parisc/boot/
DMakefile8 subdir- := compressed
13 $(obj)/bzImage: $(obj)/compressed/vmlinux FORCE
16 $(obj)/compressed/vmlinux: FORCE
17 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
/Linux-v5.4/arch/unicore32/boot/
DMakefile20 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
21 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
23 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
39 subdir- := compressed
/Linux-v5.4/arch/h8300/boot/
DMakefile5 subdir- := compressed
18 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
21 $(obj)/compressed/vmlinux: FORCE
22 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
/Linux-v5.4/Documentation/media/v4l-drivers/
Dfourcc.rst19 - b: raw bayer, DPCM compressed
20 - a: A-law compressed
21 - u: u-law compressed
32 4th character: compressed bits-per-pixel 0--9, A--
/Linux-v5.4/Documentation/networking/
Dipsec.txt5 1. IPcomp: Small IP packet won't get compressed at sender, and failed on
11 If the total size of a compressed payload and the IPComp header, as
13 payload, the IP datagram MUST be sent in the original non-compressed
14 form. To clarify: If an IP datagram is sent non-compressed, no
28 when sending non-compressed packet to the peer (whether or not packet len
29 is smaller than the threshold or the compressed len is larger than original
/Linux-v5.4/fs/squashfs/
Dblock.c85 int bytes, compressed, b = 0, k = 0, avail, i; in squashfs_read_data() local
97 compressed = SQUASHFS_COMPRESSED_BLOCK(length); in squashfs_read_data()
103 index, compressed ? "" : "un", length, output->length); in squashfs_read_data()
129 compressed = SQUASHFS_COMPRESSED(length); in squashfs_read_data()
135 compressed ? "" : "un", length); in squashfs_read_data()
156 if (compressed) { in squashfs_read_data()
DKconfig7 Read-Only File System). Squashfs is a highly compressed read-only
112 bool "Include support for ZLIB compressed file systems"
125 bool "Include support for LZ4 compressed file systems"
130 compressed with LZ4 compression. LZ4 compression is mainly
140 bool "Include support for LZO compressed file systems"
145 compressed with LZO compression. LZO compression is mainly
155 bool "Include support for XZ compressed file systems"
160 compressed with XZ compression. XZ gives better compression than
170 bool "Include support for ZSTD compressed file systems"
175 compressed with ZSTD compression. ZSTD gives better compression than
/Linux-v5.4/arch/s390/boot/
DMakefile44 subdir- := compressed
61 $(obj)/bzImage: $(obj)/compressed/vmlinux $(obj)/section_cmp.boot.data $(obj)/section_cmp.boot.pres…
64 $(obj)/section_cmp%: vmlinux $(obj)/compressed/vmlinux FORCE
67 $(obj)/compressed/vmlinux: $(obj)/startup.a FORCE
68 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
/Linux-v5.4/lib/xz/
Dxz_dec_stream.c66 vli_type compressed; member
81 vli_type compressed; member
232 s->block.compressed += b->in_pos - s->in_start; in dec_block()
239 if (s->block.compressed > s->block_header.compressed in dec_block()
249 if (s->block_header.compressed != VLI_UNKNOWN in dec_block()
250 && s->block_header.compressed in dec_block()
251 != s->block.compressed) in dec_block()
260 + s->block.compressed; in dec_block()
481 s->block_header.compressed = s->vli; in dec_block_header()
483 s->block_header.compressed = VLI_UNKNOWN; in dec_block_header()
[all …]
Dxz_dec_lzma2.c238 uint32_t compressed; member
852 if (s->temp.size > 0 || s->lzma2.compressed == 0) { in lzma2_lzma()
854 if (tmp > s->lzma2.compressed - s->temp.size) in lzma2_lzma()
855 tmp = s->lzma2.compressed - s->temp.size; in lzma2_lzma()
861 if (s->temp.size + tmp == s->lzma2.compressed) { in lzma2_lzma()
880 s->lzma2.compressed -= s->rc.in_pos; in lzma2_lzma()
898 if (in_avail >= s->lzma2.compressed + LZMA_IN_REQUIRED) in lzma2_lzma()
899 s->rc.in_limit = b->in_pos + s->lzma2.compressed; in lzma2_lzma()
907 if (in_avail > s->lzma2.compressed) in lzma2_lzma()
910 s->lzma2.compressed -= in_avail; in lzma2_lzma()
[all …]
/Linux-v5.4/arch/arm/boot/
DMakefile63 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
64 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
66 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
118 subdir- := bootp compressed dts
/Linux-v5.4/arch/nios2/boot/
DMakefile27 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
31 $(obj)/compressed/vmlinux: $(obj)/vmlinux.gz FORCE
32 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
/Linux-v5.4/Documentation/filesystems/
Dsquashfs.txt4 Squashfs is a compressed read-only filesystem for Linux.
46 compressed inode is on average 8 bytes in length (the exact length varies on
109 Metadata (inodes and directories) are compressed in 8Kbyte blocks. Each
110 compressed block is prefixed by a two byte length, the top bit is set if the
112 or if the compressed block was larger than the uncompressed block.
115 boundaries, therefore inodes overlap compressed blocks. Inodes are identified
116 by a 48-bit number which encodes the location of the compressed metadata block
132 Like inodes, directories are packed into compressed metadata blocks, stored
140 compressed metadata block, and therefore, can share the start block.
162 Regular files consist of a sequence of contiguous compressed blocks, and/or a
[all …]
/Linux-v5.4/arch/sh/boot/
DMakefile33 subdir- := compressed romimage
35 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
39 $(obj)/compressed/vmlinux: FORCE
40 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
102 $(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
/Linux-v5.4/tools/perf/util/
Dzstd.c61 size_t ret, size, compressed = 0; in zstd_compress_stream_to_records() local
69 compressed += size; in zstd_compress_stream_to_records()
84 compressed += size; in zstd_compress_stream_to_records()
89 return compressed; in zstd_compress_stream_to_records()
/Linux-v5.4/arch/x86/boot/
Dheader.S455 # a gzip-compressed kernel as example, to illustrate it:
457 # The file layout of gzip compressed kernel is:
465 # compressed data blocks[N]
493 # compressed data is placed at the end of the buffer. The output pointer
495 # where the compressed data starts. Problems will occur when the output
500 # triggered by data whose compressed form is larger than the uncompressed
503 # The worst case at the block level is a growth of the compressed data
506 # The worst case internal to a compressed block is very hard to figure.
516 # block will stop the byte before the compressed data for a block begins.
517 # To avoid problems with the compressed data's meta information an extra 18
[all …]
DMakefile31 subdir- := compressed
85 $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
96 $(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
111 $(obj)/compressed/vmlinux: FORCE
112 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
/Linux-v5.4/arch/x86/boot/compressed/
Dvmlinux.lds.S30 .rodata..compressed : {
31 *(.rodata..compressed)
/Linux-v5.4/arch/parisc/boot/compressed/
Dvmlinux.lds.S47 .rodata.compressed : {
48 *(.rodata.compressed)
/Linux-v5.4/arch/s390/boot/compressed/
Dvmlinux.lds.S77 .rodata.compressed : {
79 *(.vmlinux.bin.compressed)
/Linux-v5.4/Documentation/media/uapi/v4l/
Dvidioc-enum-fmt.rst124 - This is a compressed format.
132 - The hardware decoder for this compressed bytestream format (aka coded
136 the ``V4L2_FMT_FLAG_COMPRESSED`` flag, since this applies to compressed
141 compressed bytestream format (aka coded format). It will notify the user
145 compressed formats only. It is also only applies to stateful codecs.
/Linux-v5.4/drivers/firmware/efi/
Defi-pstore.c63 record->compressed = true; in efi_pstore_read_func()
65 record->compressed = false; in efi_pstore_read_func()
74 record->compressed = false; in efi_pstore_read_func()
88 record->compressed = false; in efi_pstore_read_func()
258 record->compressed ? 'C' : 'D'); in efi_pstore_write()

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