Author: trasz
Date: Fri Jul 10 21:41:09 2020
New Revision: 363087
URL: https://svnweb.freebsd.org/changeset/base/363087
Log:
Don't emit warnings on MADV_HUGEPAGE; Firefox uses it a lot.
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/compat/linux/linux_mmap.c
Modified: head/sys/compat/linux/linux_mmap.c
==============================================================================
--- head/sys/compat/linux/linux_mmap.c Fri Jul 10 19:58:26 2020
(r363086)
+++ head/sys/compat/linux/linux_mmap.c Fri Jul 10 21:41:09 2020
(r363087)
@@ -371,7 +371,13 @@ linux_madvise_common(struct thread *td, uintptr_t addr
/* Ignored; on FreeBSD huge pages are always on. */
return (0);
case LINUX_MADV_NOHUGEPAGE:
+#if 0
+ /*
+ * Don't warn - Firefox uses it a lot, and in real Linux it's
+ * an optional feature.
+ */
linux_msg(curthread, "unsupported madvise MADV_NOHUGEPAGE");
+#endif
return (EINVAL);
case LINUX_MADV_DONTDUMP:
return (kern_madvise(td, addr, len, MADV_NOCORE));
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