Never purge pages in jemalloc

Kobzol · Kobzol · commit 3e4e4c7cd178 · 2025-01-04T21:28:35.000+01:00
diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs
@@ -1210,7 +1210,7 @@ pub fn rustc_cargo_env(
     if builder.config.jemalloc {
         cargo.env(
             "JEMALLOC_SYS_WITH_MALLOC_CONF",
-            "dirty_decay_ms:0,muzzy_decay_ms:0,abort_conf:true",
+            "dirty_decay_ms:-1,muzzy_decay_ms:-1,abort_conf:true",
         );
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -1210,7 +1210,7 @@ pub fn rustc_cargo_env(`
`1210`	`1210`	`if builder.config.jemalloc {`
`1211`	`1211`	`cargo.env(`
`1212`	`1212`	`"JEMALLOC_SYS_WITH_MALLOC_CONF",`
`1213`		`- "dirty_decay_ms:0,muzzy_decay_ms:0,abort_conf:true",`
	`1213`	`+ "dirty_decay_ms:-1,muzzy_decay_ms:-1,abort_conf:true",`
`1214`	`1214`	`);`
`1215`	`1215`	`}`
`1216`	`1216`	`}`