Messages in this thread | | | Date | Mon, 2 Jul 2012 15:54:20 -0500 | From | Nathan Zimmer <> | Subject | Re: [PATCH 0/2 v4][rfc] tmpfs not interleaving properly |
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On 07/02/2012 03:26 PM, Nathan Zimmer wrote: > When tmpfs has the memory policy interleaved it always starts allocating at each > file at node 0. When there are many small files the lower nodes fill up > disproportionately. > This patch spreads out node usage by starting files at nodes other then 0. > The tmpfs superblock grants an offset for each inode as they are created. Each > then uses that offset to proved a prefered first node for its interleave in > the shmem_interleave. > > v2: passed preferred node via addr > v3: using current->cpuset_mem_spread_rotor instead of random_node > v4: Switching the rotor and attempting to provide an interleave function > Also splitting the patch into two sections. > > Cc: Christoph Lameter <cl@linux.com> > Cc: Nick Piggin <npiggin@gmail.com> > Cc: Hugh Dickins <hughd@google.com> > Cc: Lee Schermerhorn <lee.schermerhorn@hp.com> > Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> > Cc: Rik van Riel <riel@redhat.com> > Cc: Andrew Morton <akpm@linux-foundation.org> > Signed-off-by: Nathan T Zimmer <nzimmer@sgi.com> > --- > > include/linux/mm.h | 6 ++++++ > include/linux/shmem_fs.h | 2 ++ > mm/mempolicy.c | 4 ++++ > mm/shmem.c | 33 ++++++++++++++++++++++++++++++--- > 4 files changed, 42 insertions(+), 3 deletions(-) > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majordomo@kvack.org. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
I apologize, it seems I have sent the patch before running checkpatch.
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