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Date:      Sun, 29 Sep 2019 17:30:10 +0000 (UTC)
From:      Kyle Evans <kevans@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r352870 - head/lib/libc/sys
Message-ID:  <201909291730.x8THUA3f006866@repo.freebsd.org>

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Author: kevans
Date: Sun Sep 29 17:30:10 2019
New Revision: 352870
URL: https://svnweb.freebsd.org/changeset/base/352870

Log:
  memfd_create(3): Don't actually force hugetlb size with MFD_HUGETLB
  
  The size flags are only required to select a size on systems that support
  multiple sizes. MFD_HUGETLB by itself is valid.

Modified:
  head/lib/libc/sys/shm_open.c

Modified: head/lib/libc/sys/shm_open.c
==============================================================================
--- head/lib/libc/sys/shm_open.c	Sun Sep 29 15:17:58 2019	(r352869)
+++ head/lib/libc/sys/shm_open.c	Sun Sep 29 17:30:10 2019	(r352870)
@@ -88,9 +88,6 @@ memfd_create(const char *name, unsigned int flags)
 	if ((flags & ~(MFD_CLOEXEC | MFD_ALLOW_SEALING | MFD_HUGETLB |
 	    MFD_HUGE_MASK)) != 0)
 		return (EINVAL);
-	/* HUGETLB set with no size specified. */
-	if ((flags & MFD_HUGETLB) != 0 && (flags & MFD_HUGE_MASK) == 0)
-		return (EINVAL);
 	/* Size specified but no HUGETLB. */
 	if ((flags & MFD_HUGE_MASK) != 0 && (flags & MFD_HUGETLB) == 0)
 		return (EINVAL);



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