Skip ENOSYS filter in numa init (#110082)

am11 · pull[bot] · commit 68351904293f · 2024-12-16T20:02:08.000Z
* Check for EPERM in numa init

* Apply suggestions from code review
diff --git a/src/coreclr/gc/unix/numasupport.cpp b/src/coreclr/gc/unix/numasupport.cpp
@@ -54,7 +54,7 @@ static int GetNodeNum(const char* path, bool firstOnly)
 void NUMASupportInitialize()
 {
 #ifdef TARGET_LINUX
-    if (syscall(__NR_get_mempolicy, NULL, NULL, 0, 0, 0) < 0 && errno == ENOSYS)
+    if (syscall(__NR_get_mempolicy, NULL, NULL, 0, 0, 0) < 0)
         return;
 
     int highestNumaNode = GetNodeNum("/sys/devices/system/node", false);

Original file line number	Diff line number	Diff line change
`@@ -54,7 +54,7 @@ static int GetNodeNum(const char* path, bool firstOnly)`
`54`	`54`	`void NUMASupportInitialize()`
`55`	`55`	`{`
`56`	`56`	`#ifdef TARGET_LINUX`
`57`		`- if (syscall(__NR_get_mempolicy, NULL, NULL, 0, 0, 0) < 0 && errno == ENOSYS)`
	`57`	`+ if (syscall(__NR_get_mempolicy, NULL, NULL, 0, 0, 0) < 0)`
`58`	`58`	`return;`
`59`	`59`
`60`	`60`	`int highestNumaNode = GetNodeNum("/sys/devices/system/node", false);`