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svm: force fixed memfd mapping if va provided
39/30639/5
author
Florin Coras
<fcoras@cisco.com>
Wed, 6 Jan 2021 07:15:49 +0000
(23:15 -0800)
committer
Dave Barach
<openvpp@barachs.net>
Wed, 6 Jan 2021 19:00:37 +0000
(19:00 +0000)
Type: fix
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I6a2cc596cf0b7f29d3ae1c05b1bb6b748b558175
src/svm/ssvm.c
patch
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diff --git
a/src/svm/ssvm.c
b/src/svm/ssvm.c
index
1a677fc
..
f93f40d
100644
(file)
--- a/
src/svm/ssvm.c
+++ b/
src/svm/ssvm.c
@@
-304,9
+304,6
@@
ssvm_client_init_memfd (ssvm_private_t * memfd)
return SSVM_API_ERROR_MMAP;
}
- if (memfd->requested_va)
- mmap_flags |= MAP_FIXED;
-
/*
* Map the segment once, to look at the shared header
*/
@@
-324,6
+321,9
@@
ssvm_client_init_memfd (ssvm_private_t * memfd)
memfd->ssvm_size = sh->ssvm_size;
munmap (sh, page_size);
+ if (memfd->requested_va)
+ mmap_flags |= MAP_FIXED;
+
/*
* Remap the segment at the 'right' address
*/