Messages in this thread | | | Date | Thu, 23 Apr 2015 14:24:28 -0600 | From | Shuah Khan <> | Subject | Re: [PATCH V2] Test compaction of mlocked memory |
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On 04/23/2015 02:23 PM, Andrew Morton wrote: > On Thu, 23 Apr 2015 14:41:34 -0400 Eric B Munson <emunson@akamai.com> wrote: > >> On Thu, 23 Apr 2015, Sri Jayaramappa wrote: >> >>> Commit commit 5bbe3547aa3b ("mm: allow compaction of unevictable pages") >>> introduced a sysctl that allows userspace to enable scanning of locked >>> pages for compaction. This patch introduces a new test which fragments >>> main memory and attempts to allocate a number of huge pages to exercise >>> this compaction logic. >>> >>> Tested on machines with up to 32 GB RAM. With the patch a much larger >>> number of huge pages can be allocated than on the kernel without the >>> patch. >>> >>> Example output: >>> On a machine with 16 GB RAM: >>> sudo make run_tests vm >>> ... >>> ----------------------- >>> running compaction_test >>> ----------------------- >>> No of huge pages allocated = 3834 >>> [PASS] >>> ... >>> >>> Signed-off-by: Sri Jayaramappa <sjayaram@akamai.com> >>> Cc: linux-kernel@vger.kernel.org >>> Cc: linux-api@vger.kernel.org >>> Cc: Andrew Morton <akpm@linux-foundation.org> >>> Cc: Eric B Munson <emunson@akamai.com> >> >> Reviewed-by: Eric B Munson <emunson@akamai.com> > > Acked-by: Andrew Morton <akpm@linux-foundation.org> > > I'm assuming that Shuah will process this one? >
Yes. I will get this one after the merge window closes.
-- Shuah
-- Shuah Khan Sr. Linux Kernel Developer Open Source Innovation Group Samsung Research America (Silicon Valley) shuahkh@osg.samsung.com | (970) 217-8978
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