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/linux/lib/zstd/
H A DMakefile17 compress/fse_compress.o \
18 compress/hist.o \
19 compress/huf_compress.o \
20 compress/zstd_compress.o \
21 compress/zstd_compress_literals.o \
22 compress/zstd_compress_sequences.o \
23 compress/zstd_compress_superblock.o \
24 compress/zstd_double_fast.o \
25 compress/zstd_fast.o \
26 compress/zstd_lazy.o \
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/linux/scripts/
H A Dmake_fit.py26 Use -c to compress the data, using bzip2, gzip, lz4, lzma, lzo and
74 parser.add_argument('-c', '--compress', type=str, default='none',
129 compress: Compression algorithm to use, e.g. 'gzip'
136 fsw.property_string('compression', args.compress)
190 def compress_data(inf, compress): argument
191 """Compress data using a selected algorithm
194 inf (IOBase): Filename containing the data to compress
195 compress (str): Compression algorithm, e.g. 'gzip'
200 if compress == 'none':
203 comp = COMP_TOOLS.get(compress)
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H A DMakefile.package88 supported-deb-source-compress := gzip bzip2 lzma xz
90 PHONY += linux.tar.unsupported-deb-src-compress
91 linux.tar.unsupported-deb-src-compress:
92 …_SOURCE_COMPRESS) is not supported. The supported values are: $(supported-deb-source-compress)" >&2
96 $(strip $(if $(filter $(supported-deb-source-compress), $(KDEB_SOURCE_COMPRESS)), \
97 $(suffix-$(KDEB_SOURCE_COMPRESS)),.unsupported-deb-src-compress))
168 compress-tar.gz = -I "$(KGZIP)"
169 compress-tar.bz2 = -I "$(KBZIP2)"
170 compress-tar.xz = -I "$(XZ)"
171 compress-tar.zst = -I "$(ZSTD)"
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H A DMakefile.debug40 KBUILD_LDFLAGS += --compress-debug-sections=zlib
45 KBUILD_LDFLAGS += --compress-debug-sections=zstd
/linux/usr/
H A DMakefile6 compress-y := copy
7 compress-$(CONFIG_INITRAMFS_COMPRESSION_GZIP) := gzip
8 compress-$(CONFIG_INITRAMFS_COMPRESSION_BZIP2) := bzip2
9 compress-$(CONFIG_INITRAMFS_COMPRESSION_LZMA) := lzma
10 compress-$(CONFIG_INITRAMFS_COMPRESSION_XZ) := xzmisc
11 compress-$(CONFIG_INITRAMFS_COMPRESSION_LZO) := lzo
12 compress-$(CONFIG_INITRAMFS_COMPRESSION_LZ4) := lz4
13 compress-$(CONFIG_INITRAMFS_COMPRESSION_ZSTD) := zstd
42 compress-y := copy
81 $(call if_changed,$(compress-y))
H A DKconfig130 compression tool to compress the generated initram cpio file for
156 available to be able to compress the initram.
169 or lzma tools to be able to compress the initram.
182 tool to be able to compress the initram.
194 tool to be able to compress the initram.
212 with fast decompression speed. It will compress better than GZIP and
216 tool to be able to compress the initram.
221 Do not compress the built-in initramfs at all. This may sound wasteful
/linux/arch/csky/boot/
H A DMakefile8 compress-$(CONFIG_KERNEL_GZIP) = gzip
9 compress-$(CONFIG_KERNEL_LZO) = lzo
10 compress-$(CONFIG_KERNEL_LZMA) = lzma
11 compress-$(CONFIG_KERNEL_XZ) = xzkern
12 compress-$(CONFIG_KERNEL_LZ4) = lz4
15 $(call if_changed,$(compress-y))
19 UIMAGE_COMPRESSION = $(compress-y)
/linux/drivers/crypto/nx/
H A DMakefile14 obj-$(CONFIG_CRYPTO_DEV_NX_COMPRESS_PSERIES) += nx-compress-pseries.o nx-compress.o
15 obj-$(CONFIG_CRYPTO_DEV_NX_COMPRESS_POWERNV) += nx-compress-powernv.o nx-compress.o
16 nx-compress-objs := nx-842.o
17 nx-compress-pseries-objs := nx-common-pseries.o
18 nx-compress-powernv-objs := nx-common-powernv.o
H A Dnx-842.c150 /* compress should have added space for header */ in nx842_crypto_add_header()
163 static int compress(struct nx842_crypto_ctx *ctx, in compress() function
224 ret = ctx->driver->compress(src, slen, dst, &dlen, ctx->wmem); in compress()
248 pr_debug("compress slen %x ignore %x dlen %x padding %x\n", in compress()
311 ret = compress(ctx, &p, &hdr->group[n], &c, &ignore, h); in nx842_crypto_compress()
334 pr_debug("compress total slen %x dlen %x\n", slen, *dlen); in nx842_crypto_compress()
/linux/fs/pstore/
H A Dplatform.c86 * The only remaining arguments supported by the compress= module parameter are
90 static char *compress = "deflate"; variable
91 module_param(compress, charp, 0444);
92 MODULE_PARM_DESC(compress, "compression to use");
210 if (!IS_ENABLED(CONFIG_PSTORE_COMPRESS) || !compress || in allocate_buf_for_compression()
211 !strcmp(compress, "none")) { in allocate_buf_for_compression()
212 compress = NULL; in allocate_buf_for_compression()
216 if (strcmp(compress, "deflate")) { in allocate_buf_for_compression()
218 compress); in allocate_buf_for_compression()
219 compress = "deflate"; in allocate_buf_for_compression()
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/linux/fs/f2fs/
H A DKconfig107 Support LZO compress algorithm, if unsure, say Y.
114 Support LZO-RLE compress algorithm, if unsure, say Y.
121 Support LZ4 compress algorithm, if unsure, say Y.
128 Support LZ4HC compress algorithm, LZ4HC has compatible on-disk
136 Support ZSTD compress algorithm, if unsure, say Y.
/linux/arch/arm/boot/compressed/
H A DMakefile72 compress-$(CONFIG_KERNEL_GZIP) = gzip
73 compress-$(CONFIG_KERNEL_LZO) = lzo_with_size
74 compress-$(CONFIG_KERNEL_LZMA) = lzma_with_size
75 compress-$(CONFIG_KERNEL_XZ) = xzkern_with_size
76 compress-$(CONFIG_KERNEL_LZ4) = lz4_with_size
156 $(call if_changed,$(compress-y))
/linux/include/linux/
H A Dzstd.h31 * @src_size: The size of the data to compress.
155 * @estimated_src_size: The estimated source size to compress or 0
166 * @estimated_src_size: The estimated source size to compress or 0
229 * zstd_compress_cctx() - compress src into dst with the initialized parameters
231 * @dst: The buffer to compress src into.
234 * @src: The data to compress.
235 * @src_size: The size of the data to compress.
293 * zstd_compress_using_cdict() - compress src into dst using a dictionary
295 * @dst: The buffer to compress src into.
298 * @src: The data to compress.
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H A Dppp-comp.h21 #define DO_BSD_COMPRESS 1 /* by default, include BSD-Compress */
49 /* Compress a packet */
50 int (*compress) (void *state, unsigned char *rptr, member
/linux/drivers/gpu/drm/i915/
H A Di915_gpu_error.c1143 struct i915_vma_compress *compress, in i915_vma_coredump_create() argument
1155 if (!vma_res || !vma_res->bi.pages || !compress) in i915_vma_coredump_create()
1162 if (!compress_start(compress)) { in i915_vma_coredump_create()
1196 ret = compress_page(compress, in i915_vma_coredump_create()
1221 ret = compress_page(compress, in i915_vma_coredump_create()
1237 ret = compress_page(compress, s, dst, false); in i915_vma_coredump_create()
1247 if (ret || compress_flush(compress, dst)) { in i915_vma_coredump_create()
1252 pool_free(&compress->pool, page_address(page)); in i915_vma_coredump_create()
1258 compress_finish(compress); in i915_vma_coredump_create()
1568 const char *name, struct i915_vma_compress *compress) in create_vma_coredump() argument
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/linux/net/6lowpan/
H A Dnhc.h34 .compress = _compress, \
57 * @compress: callback to do the header compression.
68 int (*compress)(struct sk_buff *skb, u8 **hc_ptr); member
92 * lowpan_nhc_do_compression - calling compress callback for nhc
H A Dnhc.c50 if (!(nhc && nhc->compress)) in lowpan_nhc_check_compression()
77 if (unlikely(!nhc || !nhc->compress)) { in lowpan_nhc_do_compression()
88 ret = nhc->compress(skb, hc_ptr); in lowpan_nhc_do_compression()
/linux/drivers/crypto/intel/iaa/
H A Diaa_crypto_main.c95 /* Verify results of IAA compress or not */
265 * collected from running actual compress/decompress workloads.
413 bool compress,
928 bool compress, in check_completion() argument
931 char *op_str = compress ? "compress" : "decompress"; in check_completion()
960 comp->error_code == IAA_ERROR_COMP_BUF_OVERFLOW && compress) { in check_completion()
1039 ctx->compress, false); in iaa_desc_complete()
1042 if (!ctx->compress && in iaa_desc_complete()
1063 if (ctx->compress) { in iaa_desc_complete()
1071 if (ctx->compress && compression_ctx->verify_compress) { in iaa_desc_complete()
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/linux/include/uapi/linux/
H A Dppp-comp.h46 * Definitions for BSD-Compress.
49 #define CI_BSD_COMPRESS 21 /* config. option for BSD-Compress */
52 /* Macros for handling the 3rd byte of the BSD-Compress config option. */
/linux/drivers/net/ppp/
H A Dbsd_comp.c9 /* Because this code is derived from the 4.3BSD compress source:
80 * PPP "BSD compress" compression
103 * from the third byte of the BSD Compress CCP configuration option.
112 * A dictionary for doing BSD compress.
163 #define BSD_OVHD 2 /* BSD compress overhead/packet */
552 * compress a packet
558 * One change from the BSD compress command is that when the
611 * the protocol becomes the first byte to compress. in bsd_compress()
800 * Update the "BSD Compress" dictionary on the receiver for
801 * incompressible data by pretending to compress the incoming data.
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/linux/fs/jffs2/
H A Dcompr.c92 if (!this->compress || this->disabled) in jffs2_selected_compress()
108 err = this->compress(data_in, output_buf, datalen, cdatalen); in jffs2_selected_compress()
145 * jffs2_compress should compress as much as will fit, and should set
178 if ((!this->compress)||(this->disabled)) in jffs2_compress()
206 compr_ret = this->compress(data_in, this->compr_buf, datalen, cdatalen); in jffs2_compress()
/linux/lib/zstd/compress/
H A Dzstd_compress_superblock.c40 * Or 0 if unable to compress.
161 * Or 0 if it is unable to compress
263 * Or 0 if it failed to compress. */
476 * The following blocks use repeat_mode to compress.
479 * or 0 if it failed to compress. */
531 …/* simplification: if estimates states that the full superblock doesn't compress, just bail out im… in ZSTD_compressSubBlock_multi()
535 /* compress and write sub-blocks */ in ZSTD_compressSubBlock_multi()
545 /* compress sub-block */ in ZSTD_compressSubBlock_multi()
583 /* otherwise : do not compress yet, coalesce current sub-block with following one */ in ZSTD_compressSubBlock_multi()
/linux/Documentation/sound/kernel-api/
H A Dalsa-driver-api.rst84 Compress Offload
87 Compress Offload API
105 .. kernel-doc:: sound/soc/soc-compress.c
/linux/fs/smb/client/
H A Dcompress.c8 * See compress/ for implementation details of each algorithm.
25 #include "compress/lz77.h"
26 #include "compress.h"
53 * compress the data) is below the minimum threshold.
/linux/sound/core/
H A DMakefile38 snd-compress-y := compress_offload.o
56 obj-$(CONFIG_SND_COMPRESS_OFFLOAD) += snd-compress.o

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