The branch main has been updated by emaste:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=597cc550e7b98294617cdd41800e9f132b6bcad9

commit 597cc550e7b98294617cdd41800e9f132b6bcad9
Author:     Greg V <greg@unrelenting.technology>
AuthorDate: 2021-06-09 23:09:16 +0000
Commit:     Ed Maste <ema...@freebsd.org>
CommitDate: 2021-06-09 23:11:41 +0000

    LinuxKPI: add fault_flag_allow_retry_first
    
    Used by drm 5.7.
    
    Reviewed by:    bz, hselasky, nc
    MFC after:      1 week
    Differential Revision:  https://reviews.freebsd.org/D30673
---
 sys/compat/linuxkpi/common/include/linux/mm.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/mm.h 
b/sys/compat/linuxkpi/common/include/linux/mm.h
index 68a0f34acaf3..74709299ba1a 100644
--- a/sys/compat/linuxkpi/common/include/linux/mm.h
+++ b/sys/compat/linuxkpi/common/include/linux/mm.h
@@ -92,6 +92,9 @@ CTASSERT((VM_PROT_ALL & -(1 << 8)) == 0);
 #define        FAULT_FLAG_REMOTE       (1 << 7)
 #define        FAULT_FLAG_INSTRUCTION  (1 << 8)
 
+#define fault_flag_allow_retry_first(flags) \
+       (((flags) & (FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_TRIED)) == 
FAULT_FLAG_ALLOW_RETRY)
+
 typedef int (*pte_fn_t)(linux_pte_t *, pgtable_t, unsigned long addr, void 
*data);
 
 struct vm_area_struct {
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