From: OpenJDK Team <openjdk-21@packages.debian.org>
Date: Wed, 23 Apr 2025 23:57:46 +0000 (+0200)
Subject: zero-alpha-workaround
X-Git-Tag: archive/raspbian/21.0.7+6-1+rpi1^2~1
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=e9d24af87d5f5b2450b942462de24b5911131cb6;p=openjdk-21.git

zero-alpha-workaround


Gbp-Pq: Name zero-alpha-workaround.diff
---

diff --git a/src/hotspot/os/linux/os_linux.cpp b/src/hotspot/os/linux/os_linux.cpp
index 5ebd57fb3..5443b713d 100644
--- a/src/hotspot/os/linux/os_linux.cpp
+++ b/src/hotspot/os/linux/os_linux.cpp
@@ -2878,6 +2878,10 @@ void os::pd_commit_memory_or_exit(char* addr, size_t size, bool exec,
 // Note that the value for MAP_FIXED_NOREPLACE differs between architectures, but all architectures
 // supported by OpenJDK share the same flag value.
 #define MAP_FIXED_NOREPLACE_value 0x100000
+// on ALPHA, that triggers with 0x1000000 == 0x100000. why?
+#if defined(ALPHA) && defined(MAP_FIXED_NOREPLACE)
+#undef MAP_FIXED_NOREPLACE
+#endif
 #ifndef MAP_FIXED_NOREPLACE
   #define MAP_FIXED_NOREPLACE MAP_FIXED_NOREPLACE_value
 #else