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[linux-kernel] Update patches for v2

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* Reduce stack usage of many zstd functions, none use over 388 B anymore.
* Remove an incorrect `const` in `xxhash`.
This commit is contained in:
Nick Terrell
2017-06-28 22:01:46 -07:00
parent 379f9d874d
commit ce91b64f00
18 changed files with 691 additions and 456 deletions
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contrib/linux-kernel/lib/zstd/fse.h
+2 -11
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@@ -187,7 +187,7 @@ typedef unsigned FSE_DTable; /* don't allocate that. It's just a way to be more
/*! FSE_buildDTable():
Builds 'dt', which must be already allocated, using FSE_createDTable().
return : 0, or an errorCode, which can be tested using FSE_isError() */
FSE_PUBLIC_API size_t FSE_buildDTable(FSE_DTable *dt, const short *normalizedCounter, unsigned maxSymbolValue, unsigned tableLog);
FSE_PUBLIC_API size_t FSE_buildDTable_wksp(FSE_DTable *dt, const short *normalizedCounter, unsigned maxSymbolValue, unsigned tableLog, void *workspace, size_t workspaceSize);
/*! FSE_decompress_usingDTable():
Decompress compressed source `cSrc` of size `cSrcSize` using `dt`
@@ -263,15 +263,6 @@ size_t FSE_count_simple(unsigned *count, unsigned *maxSymbolValuePtr, const void
unsigned FSE_optimalTableLog_internal(unsigned maxTableLog, size_t srcSize, unsigned maxSymbolValue, unsigned minus);
/**< same as FSE_optimalTableLog(), which used `minus==2` */
/* FSE_compress_wksp() :
* Same as FSE_compress2(), but using an externally allocated scratch buffer (`workSpace`).
* FSE_WKSP_SIZE_U32() provides the minimum size required for `workSpace` as a table of FSE_CTable.
*/
#define FSE_WKSP_SIZE_U32(maxTableLog, maxSymbolValue) \
(FSE_CTABLE_SIZE_U32(maxTableLog, maxSymbolValue) + ((maxTableLog > 12) ? (1 << (maxTableLog - 2)) : 1024))
size_t FSE_compress_wksp(void *dst, size_t dstSize, const void *src, size_t srcSize, unsigned maxSymbolValue, unsigned tableLog, void *workSpace,
size_t wkspSize);
size_t FSE_buildCTable_raw(FSE_CTable *ct, unsigned nbBits);
/**< build a fake FSE_CTable, designed for a flat distribution, where each symbol uses nbBits */
@@ -290,7 +281,7 @@ size_t FSE_buildDTable_raw(FSE_DTable *dt, unsigned nbBits);
size_t FSE_buildDTable_rle(FSE_DTable *dt, unsigned char symbolValue);
/**< build a fake FSE_DTable, designed to always generate the same symbolValue */
size_t FSE_decompress_wksp(void *dst, size_t dstCapacity, const void *cSrc, size_t cSrcSize, FSE_DTable *workSpace, unsigned maxLog);
size_t FSE_decompress_wksp(void *dst, size_t dstCapacity, const void *cSrc, size_t cSrcSize, unsigned maxLog, void *workspace, size_t workspaceSize);
/**< same as FSE_decompress(), using an externally allocated `workSpace` produced with `FSE_DTABLE_SIZE_U32(maxLog)` */
/* *****************************************