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authorDaniel Borkmann <dborkman@redhat.com>2013-04-11 15:37:33 +0200
committerDaniel Borkmann <dborkman@redhat.com>2013-04-11 15:37:33 +0200
commit0cdcd1d1ad8ec4c107cc09850456d44eea9f3d20 (patch)
tree9d51981f25c2f23cbf551473fa7e9dc5d6605fcd /ifpps/Makefile
parent2bce4249a8e90c67a24e096f91047795f92ab548 (diff)
netsniff-ng: mlock: only lock current and future pages when root
When we're still root, we tell the kernel to lock/protect all current and future pages in memory so that they will not be swapped out in case the system uses up too much. Now when we do xzmalloc_aligned(), it calls internally posix_memalign() that can call mmap(2), thus we will get an EAGAIN as errno, since we're not root anymore and since we wanted to touch sth. that belongs to root. Nasty. Fix this up by only protecting these pages when we do not use -u/-g. Reported-by: Doug Burks <doug.burks@gmail.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Diffstat (limited to 'ifpps/Makefile')
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