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/linux/arch/parisc/boot/
H A DMakefile8 subdir- := compressed
13 $(obj)/bzImage: $(if $(CONFIG_KERNEL_UNCOMPRESSED),$(objtree)/vmlinux,$(obj)/compressed/vmlinux) FO…
16 $(obj)/compressed/vmlinux: FORCE
17 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
/linux/lib/xz/
H A Dxz_dec_lzma2.c237 uint32_t compressed; member
884 if (s->temp.size > 0 || s->lzma2.compressed == 0) { in lzma2_lzma()
886 if (tmp > s->lzma2.compressed - s->temp.size) in lzma2_lzma()
887 tmp = s->lzma2.compressed - s->temp.size; in lzma2_lzma()
893 if (s->temp.size + tmp == s->lzma2.compressed) { in lzma2_lzma()
912 s->lzma2.compressed -= s->rc.in_pos; in lzma2_lzma()
930 if (in_avail >= s->lzma2.compressed + LZMA_IN_REQUIRED) in lzma2_lzma()
931 s->rc.in_limit = b->in_pos + s->lzma2.compressed; in lzma2_lzma()
939 if (in_avail > s->lzma2.compressed) in lzma2_lzma()
942 s->lzma2.compressed -= in_avail; in lzma2_lzma()
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H A Dxz_dec_stream.c65 vli_type compressed; member
80 vli_type compressed; member
231 s->block.compressed += b->in_pos - s->in_start; in dec_block()
238 if (s->block.compressed > s->block_header.compressed in dec_block()
248 if (s->block_header.compressed != VLI_UNKNOWN in dec_block()
249 && s->block_header.compressed in dec_block()
250 != s->block.compressed) in dec_block()
259 + s->block.compressed; in dec_block()
480 s->block_header.compressed = s->vli; in dec_block_header()
482 s->block_header.compressed = VLI_UNKNOWN; in dec_block_header()
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/linux/Documentation/networking/
H A Dipsec.rst12 Small IP packet won't get compressed at sender, and failed on
19 If the total size of a compressed payload and the IPComp header, as
21 payload, the IP datagram MUST be sent in the original non-compressed
22 form. To clarify: If an IP datagram is sent non-compressed, no
36 when sending non-compressed packet to the peer (whether or not packet len
37 is smaller than the threshold or the compressed len is larger than original
/linux/Documentation/userspace-api/media/v4l/
H A 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--
H A Dpixfmt-srggb10alaw8.rst15 10-bit Bayer formats compressed to 8 bits
22 color compressed to 8 bits each, using the A-LAW algorithm. Each color
H A Dpixfmt-srggb10dpcm8.rst18 10-bit Bayer formats compressed to 8 bits
25 colour compressed to 8 bits each, using DPCM compression. DPCM,
/linux/arch/arm/boot/
H A DMakefile56 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
57 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
59 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
92 subdir- := bootp compressed dts
/linux/arch/x86/boot/
H A Dheader.S396 # a gzip-compressed kernel as example, to illustrate it:
398 # The file layout of gzip compressed kernel is:
406 # compressed data blocks[N]
434 # compressed data is placed at the end of the buffer. The output pointer
436 # where the compressed data starts. Problems will occur when the output
441 # triggered by data whose compressed form is larger than the uncompressed
444 # The worst case at the block level is a growth of the compressed data
447 # The worst case internal to a compressed block is very hard to figure.
457 # block will stop the byte before the compressed data for a block begins.
458 # To avoid problems with the compressed data's meta information an extra 18
[all …]
/linux/arch/sh/boot/
H A 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 FORCE
/linux/arch/nios2/boot/
H A DMakefile27 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
31 $(obj)/compressed/vmlinux: $(obj)/vmlinux.gz FORCE
32 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
/linux/Documentation/filesystems/
H A Dsquashfs.rst7 Squashfs is a compressed read-only filesystem for Linux.
52 compressed inode is on average 8 bytes in length (the exact length varies on
173 Metadata (inodes and directories) are compressed in 8Kbyte blocks. Each
174 compressed block is prefixed by a two byte length, the top bit is set if the
176 or if the compressed block was larger than the uncompressed block.
179 boundaries, therefore inodes overlap compressed blocks. Inodes are identified
180 by a 48-bit number which encodes the location of the compressed metadata block
196 Like inodes, directories are packed into compressed metadata blocks, stored
204 compressed metadata block, and therefore, can share the start block.
226 Regular files consist of a sequence of contiguous compressed block
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H A Derofs.rst67 addition, inplace decompression is also supported to avoid bounce compressed
70 - Support chunk-based data deduplication and rolling-hash compressed data
115 readahead Cache the last incomplete compressed physical
118 compressed physical clusters;
119 readaround Cache the both ends of incomplete compressed
122 for the rest compressed physical clusters.
312 compressed data blocks from variable-sized input in contrast to other existing
319 extents and in the meanwhile, compressed into physical clusters (pclusters).
341 A physical cluster can be seen as a container of physical compressed blocks
342 which contains compressed data. Previously, only lcluster-sized (4KB) pclusters
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/linux/Documentation/mm/
H A Dz3fold.rst5 z3fold is a special purpose allocator for storing compressed pages.
6 It is designed to store up to three compressed pages per physical page.
13 * z3fold can hold up to 3 compressed pages in its page
18 stores an integral number of compressed pages per page, but it can store
/linux/tools/perf/util/
H A Dzstd.c35 size_t ret, size, compressed = 0; in zstd_compress_stream_to_records() local
58 compressed += size; in zstd_compress_stream_to_records()
73 compressed += size; in zstd_compress_stream_to_records()
78 return compressed; in zstd_compress_stream_to_records()
/linux/fs/squashfs/
H A Dblock.c268 int compressed; in squashfs_read_data() local
276 compressed = SQUASHFS_COMPRESSED_BLOCK(length); in squashfs_read_data()
279 index, compressed ? "" : "un", length, output->length); in squashfs_read_data()
317 compressed = SQUASHFS_COMPRESSED(length); in squashfs_read_data()
322 compressed ? "" : "un", length); in squashfs_read_data()
337 if (compressed) { in squashfs_read_data()
H A DKconfig7 Read-Only File System). Squashfs is a highly compressed read-only
153 bool "Include support for ZLIB compressed file systems"
166 bool "Include support for LZ4 compressed file systems"
171 compressed with LZ4 compression. LZ4 compression is mainly
181 bool "Include support for LZO compressed file systems"
186 compressed with LZO compression. LZO compression is mainly
196 bool "Include support for XZ compressed file systems"
201 compressed with XZ compression. XZ gives better compression than
211 bool "Include support for ZSTD compressed file systems"
216 compressed wit
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/linux/drivers/firmware/efi/
H A Defi-pstore.c101 record->compressed = true; in efi_pstore_read_func()
103 record->compressed = false; in efi_pstore_read_func()
112 record->compressed = false; in efi_pstore_read_func()
126 record->compressed = false; in efi_pstore_read_func()
218 record->compressed ? 'C' : 'D'); in efi_pstore_write()
/linux/fs/erofs/
H A DKconfig19 for compressed data temporarily with proper strategies, which is
105 bool "EROFS LZMA compressed data support"
111 containing LZMA compressed data, specifically called microLZMA. It
118 bool "EROFS DEFLATE compressed data support"
123 containing DEFLATE compressed data. It gives better compression
133 bool "EROFS Zstandard compressed data support"
138 containing Zstandard compressed data. It gives better compression
/linux/usr/
H A DKconfig56 bool "Support initial ramdisk/ramfs compressed using gzip"
64 bool "Support initial ramdisk/ramfs compressed using bzip2"
72 bool "Support initial ramdisk/ramfs compressed using LZMA"
80 bool "Support initial ramdisk/ramfs compressed using XZ"
88 bool "Support initial ramdisk/ramfs compressed using LZO"
96 bool "Support initial ramdisk/ramfs compressed using LZ4"
104 bool "Support initial ramdisk/ramfs compressed using ZSTD"
116 initramfs will be compressed. Several compression algorithms are
223 compressed at a later stage anyways along with the rest of the kernel,
/linux/Documentation/sound/designs/
H A Dcompress-offload.rst15 extend the existing API to compressed data streams.
19 codecs. Processing compressed data on such DSPs results in a dramatic
43 compressed data. Dedicated mechanisms are required to allow for
49 contrast, compressed data comes in a variety of formats. Audio DSPs
68 streaming compressed data to a DSP, with the assumption that the
72 have existing enums/structures for each compressed format. This new
157 The compressed audio stream state machine is described below ::
214 difficult to reach with all types of compressed data, but works fine with most
298 compressed data interface will be considered as regular ALSA devices;
303 manner, no matter if the input was PCM or compressed.
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/linux/arch/parisc/boot/compressed/
H A Dvmlinux.lds.S47 .rodata.compressed : {
48 *(.rodata.compressed)
/linux/arch/mips/
H A DKconfig.debug83 bool "Enable compressed kernel support debugging"
87 If you want to add compressed kernel support to a new board, and the
95 arch/mips/boot/compressed/uart-16550.c does.
97 After the compressed kernel support works, please disable this option
102 int "UART to use for compressed kernel debugging"
107 Specify the UART that should be used for compressed kernel debugging.
/linux/arch/mips/boot/compressed/
H A Dld.script2 * ld.script for compressed kernel support of MIPS
27 /* Put the compressed image here */
/linux/arch/x86/boot/compressed/
H A Dvmlinux.lds.S30 .rodata..compressed : {
31 *(.rodata..compressed)

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