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* proc: fixup map_files test on armAlexey Dobriyan2018-11-301-2/+7
| | | | | | | | | | | | | | | | https://bugs.linaro.org/show_bug.cgi?id=3782 Turns out arm doesn't permit mapping address 0, so try minimum virtual address instead. Link: http://lkml.kernel.org/r/20181113165446.GA28157@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reported-by: Rafael David Tinoco <rafael.tinoco@linaro.org> Tested-by: Rafael David Tinoco <rafael.tinoco@linaro.org> Acked-by: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* proc: fixup copyright signAlexey Dobriyan2018-04-121-1/+1
| | | | | | | Add copyright in two files before they get autorubberstamped. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* proc: fix /proc/*/map_files lookup some moreAlexey Dobriyan2018-04-111-0/+85
I totally forgot that _parse_integer() accepts arbitrary amount of leading zeroes leading to the following lookups: OK # readlink /proc/1/map_files/56427ecba000-56427eddc000 /lib/systemd/systemd bogus # readlink /proc/1/map_files/00000000000056427ecba000-56427eddc000 /lib/systemd/systemd # readlink /proc/1/map_files/56427ecba000-00000000000056427eddc000 /lib/systemd/systemd Link: http://lkml.kernel.org/r/20180303215130.GA23480@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: Cyrill Gorcunov <gorcunov@gmail.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Pavel Emelyanov <xemul@virtuozzo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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