* [Bug 18] mmap with MAP_ANONYMOUS should have fd == -1
@ 2018-04-01 12:21 bugzilla
0 siblings, 0 replies; only message in thread
From: bugzilla @ 2018-04-01 12:21 UTC (permalink / raw)
To: dev
https://dpdk.org/tracker/show_bug.cgi?id=18
Bug ID: 18
Summary: mmap with MAP_ANONYMOUS should have fd == -1
Product: DPDK
Version: unspecified
Hardware: All
OS: Linux
Status: CONFIRMED
Severity: minor
Priority: Normal
Component: core
Assignee: dev@dpdk.org
Reporter: solal.pirelli@gmail.com
Target Milestone: ---
In the Linux version of eal_memory.c, if hugepages are disabled, a memory-map
is performed with the MAP_ANONYMOUS flag
(http://dpdk.org/browse/dpdk/tree/lib/librte_eal/linuxapp/eal/eal_memory.c?h=v18.02#n1013).
According to the man page for mmap
(http://man7.org/linux/man-pages/man2/mmap.2.html), the fd argument should be
set to -1 if MAP_ANONYMOUS is used, and not 0 as it currently is.
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2018-04-01 12:21 [Bug 18] mmap with MAP_ANONYMOUS should have fd == -1 bugzilla
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