termux-packages/packages/openmpi/opal-mca-memory-patcher-memory_patcher_component.c.patch

--- ./opal/mca/memory/patcher/memory_patcher_component.c.orig	2020-06-10 21:35:37.000000000 +0000
+++ ./opal/mca/memory/patcher/memory_patcher_component.c	2020-07-04 10:42:40.459784443 +0000
@@ -250,9 +250,9 @@
         advice == MADV_FREE ||
 #endif
 #ifdef MADV_REMOVE
-        advice == MADV_REMOVE ||
+        advice == MADV_REMOVE
 #endif
-        advice == POSIX_MADV_DONTNEED)
+        )
     {
         opal_mem_hooks_release_hook (start, length, false);
     }
@@ -346,10 +346,17 @@
 #define IPCOP_shmdt                22
 #endif
 
-#define HAS_SHMDT (defined(SYS_shmdt) || \
-    (defined(IPCOP_shmdt) && defined(SYS_ipc)))
-#define HAS_SHMAT (defined(SYS_shmat) || \
-    (defined(IPCOP_shmat) && defined(SYS_ipc)))
+#if defined(SYS_shmdt) || (defined(IPCOP_shmdt) && defined(SYS_ipc))
+# define HAS_SHMDT 1
+# else
+# define HAS_SHMDT 0
+#endif
+
+#if defined(SYS_shmat) || (defined(IPCOP_shmat) && defined(SYS_ipc))
+# define HAS_SHMAT 1
+# else
+# define HAS_SHMAT 0
+#endif
 
 #if (HAS_SHMDT || HAS_SHMAT) && defined(__linux__)
 
@@ -444,8 +447,8 @@
         uintptr_t attach_addr = (uintptr_t)shmaddr;
 
         if (shmflg & SHM_RND) {
-            attach_addr -= ((uintptr_t)shmaddr) % SHMLBA;
-            size += ((uintptr_t)shmaddr) % SHMLBA;
+            attach_addr -= ((uintptr_t)shmaddr) % sysconf(_SC_PAGESIZE);
+            size += ((uintptr_t)shmaddr) % sysconf(_SC_PAGESIZE);
         }
         opal_mem_hooks_release_hook ((void*)attach_addr, size, false);
     }
@@ -457,7 +460,7 @@
         unsigned long ret;
         ret = memory_patcher_syscall(SYS_ipc, IPCOP_shmat,
                                      shmid, shmflg, &shmaddr, shmaddr);
-        result = (ret > -(unsigned long)SHMLBA) ? (void *)ret : (void *)shmaddr;
+        result = (ret > -(unsigned long)sysconf(_SC_PAGESIZE)) ? (void *)ret : (void *)shmaddr;
 #endif
     } else {
         result = original_shmat (shmid, shmaddr, shmflg);