RAI: Never use MADV_FREE

kuszmaul · d-netto · commit ca9a60a60a21 · 2024-04-16T12:35:46.000-03:00
diff --git a/src/gc-pages.c b/src/gc-pages.c
@@ -205,7 +205,7 @@ void jl_gc_free_page(jl_gc_pagemeta_t *pg) JL_NOTSAFEPOINT
     }
 #ifdef _OS_WINDOWS_
     VirtualFree(p, decommit_size, MEM_DECOMMIT);
-#elif defined(MADV_FREE)
+#elif 0
     static int supports_madv_free = 1;
     if (supports_madv_free) {
         if (madvise(p, decommit_size, MADV_FREE) == -1) {

Original file line number	Diff line number	Diff line change
`@@ -205,7 +205,7 @@ void jl_gc_free_page(jl_gc_pagemeta_t *pg) JL_NOTSAFEPOINT`
`205`	`205`	`}`
`206`	`206`	`#ifdef _OS_WINDOWS_`
`207`	`207`	`VirtualFree(p, decommit_size, MEM_DECOMMIT);`
`208`		`-#elif defined(MADV_FREE)`
	`208`	`+#elif 0`
`209`	`209`	`static int supports_madv_free = 1;`
`210`	`210`	`if (supports_madv_free) {`
`211`	`211`	`if (madvise(p, decommit_size, MADV_FREE) == -1) {`