summaryrefslogtreecommitdiff
path: root/lib/zstd/compress
diff options
context:
space:
mode:
authorLinus Walleij <linus.walleij@linaro.org>2021-11-27 00:54:16 +0100
committerLinus Walleij <linus.walleij@linaro.org>2021-11-27 00:54:16 +0100
commit2448eab44034d9603c97ca17760a53d4d6e4b60c (patch)
tree7f323cea55258e94e0c7c70b63d02c9effb00c1f /lib/zstd/compress
parentdeee705a1c9cce9c7eb699d529f1c0b3c80d339d (diff)
parent136057256686de39cc3a07c2e39ef6bc43003ff6 (diff)
downloadlinux-2448eab44034d9603c97ca17760a53d4d6e4b60c.tar.gz
linux-2448eab44034d9603c97ca17760a53d4d6e4b60c.tar.bz2
linux-2448eab44034d9603c97ca17760a53d4d6e4b60c.zip
Merge tag 'v5.16-rc2' into devel
Linux 5.16-rc2 is needed because nonurgent fixes headed for next are strongly textually dependent on a fix that was applied for rc2. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'lib/zstd/compress')
-rw-r--r--lib/zstd/compress/zstd_compress_superblock.c2
-rw-r--r--lib/zstd/compress/zstd_opt.c12
2 files changed, 14 insertions, 0 deletions
diff --git a/lib/zstd/compress/zstd_compress_superblock.c b/lib/zstd/compress/zstd_compress_superblock.c
index ee03e0aedb03..b0610b255653 100644
--- a/lib/zstd/compress/zstd_compress_superblock.c
+++ b/lib/zstd/compress/zstd_compress_superblock.c
@@ -411,6 +411,8 @@ static size_t ZSTD_seqDecompressedSize(seqStore_t const* seqStore, const seqDef*
const seqDef* sp = sstart;
size_t matchLengthSum = 0;
size_t litLengthSum = 0;
+ /* Only used by assert(), suppress unused variable warnings in production. */
+ (void)litLengthSum;
while (send-sp > 0) {
ZSTD_sequenceLength const seqLen = ZSTD_getSequenceLength(seqStore, sp);
litLengthSum += seqLen.litLength;
diff --git a/lib/zstd/compress/zstd_opt.c b/lib/zstd/compress/zstd_opt.c
index 04337050fe9a..dfc55e3e8119 100644
--- a/lib/zstd/compress/zstd_opt.c
+++ b/lib/zstd/compress/zstd_opt.c
@@ -8,6 +8,18 @@
* You may select, at your option, one of the above-listed licenses.
*/
+/*
+ * Disable inlining for the optimal parser for the kernel build.
+ * It is unlikely to be used in the kernel, and where it is used
+ * latency shouldn't matter because it is very slow to begin with.
+ * We prefer a ~180KB binary size win over faster optimal parsing.
+ *
+ * TODO(https://github.com/facebook/zstd/issues/2862):
+ * Improve the code size of the optimal parser in general, so we
+ * don't need this hack for the kernel build.
+ */
+#define ZSTD_NO_INLINE 1
+
#include "zstd_compress_internal.h"
#include "hist.h"
#include "zstd_opt.h"