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Provide page-aligned length to ftruncate.
15/10415/2
author
Igor Mikhailov (imichail)
<imichail@cisco.com>
Mon, 5 Feb 2018 20:09:36 +0000
(12:09 -0800)
committer
Damjan Marion
<dmarion.lists@gmail.com>
Tue, 6 Feb 2018 10:35:04 +0000
(10:35 +0000)
For some files such as hugepages files, ftruncate() fails with the error
"Invalid argument" if the 'length' parameter is not on a page boundary.
Change-Id: I42a9cde98707da15e3c5d1653046e2277fc7a424
Signed-off-by: Igor Mikhailov (imichail) <imichail@cisco.com>
src/vppinfra/linux/mem.c
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diff --git
a/src/vppinfra/linux/mem.c
b/src/vppinfra/linux/mem.c
index
350ccf8
..
c4973a6
100644
(file)
--- a/
src/vppinfra/linux/mem.c
+++ b/
src/vppinfra/linux/mem.c
@@
-194,7
+194,7
@@
clib_mem_vm_ext_alloc (clib_mem_vm_alloc_t * a)
}
if (fd != -1)
}
if (fd != -1)
- if ((ftruncate (fd,
a->size
)) == -1)
+ if ((ftruncate (fd,
n_pages * (1 << log2_page_size)
)) == -1)
{
err = clib_error_return_unix (0, "ftruncate");
goto error;
{
err = clib_error_return_unix (0, "ftruncate");
goto error;