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diff -ru mesa-18.1.7.orig/src/util/disk_cache.c mesa-18.1.7/src/util/disk_cache.c
--- mesa-18.1.7.orig/src/util/disk_cache.c 2018-08-24 19:25:19.000000000 +0300
+++ mesa-18.1.7/src/util/disk_cache.c 2018-12-14 13:59:15.433631846 +0200
@@ -721,8 +721,11 @@
/* From the zlib docs:
* "If the memory is available, buffers sizes on the order of 128K or 256K
* bytes should be used."
+ *
+ * But that is performance optimization for large files. To keep stack usage
+ * in sensible amount (wrt. musl default stack) we use smaller stack on Alpine.
*/
-#define BUFSIZE 256 * 1024
+#define BUFSIZE 4 * 1024
/**
* Compresses cache entry in memory and writes it to disk. Returns the size
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