[PATCH] zlib changes: memlevel

Reduce MAX_MEM_LEVEL to 8. This reduces zlib memory consumption by 128k (from ~400k to ~270k) at the theoretical cost of worse compression. No code currently in the kernel actually uses the better compression, so the practical cost is zero.

[PATCH] zlib changes: memlevel
Reduce MAX_MEM_LEVEL to 8. This reduces zlib memory consumption by 128k (from ~400k to ~270k) at the theoretical cost of worse compression. No code currently in the kernel actually uses the better compression, so the practical cost is zero.
5b29b6f3 · Jörn Engel · Linus Torvalds · ab7c828b · 5b29b6f3
Commit 5b29b6f3 authored Jun 08, 2003 by Jörn Engel Committed by Linus Torvalds Jun 08, 2003
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include/linux/zconf.h include/linux/zconf.h +1 -1

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--- a/include/linux/zconf.h
+++ b/include/linux/zconf.h
@@ -23,7 +23,7 @@

 /* Maximum value for memLevel in deflateInit2 */
 #ifndef MAX_MEM_LEVEL
-#  define MAX_MEM_LEVEL 9
+#  define MAX_MEM_LEVEL 8
 #endif

 /* Maximum value for windowBits in deflateInit2 and inflateInit2.