The patch titled
Subject: mm: vmstat.c: make extfrag_index show more pretty
has been added to the -mm tree. Its filename is
mm-vmstatc-make-extfrag_index-show-more-pretty.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-vmstatc-make-extfrag_index-show-more-pretty.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-vmstatc-make-extfrag_index-show-more-pretty.patch
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------------------------------------------------------
From: Lin Feng <linf@xxxxxxxxxx>
Subject: mm: vmstat.c: make extfrag_index show more pretty
fragmentation_index may return -1000 and the corresponding formated value
showed by seq_printf will take a negative signatrue, but other positive
formated values don't take a positive signatrue, so the output becomes
unaligned.
before:
Node 0, zone DMA -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000
Node 0, zone DMA32 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000
Node 0, zone Normal -1.000 -1.000 -1.000 -1.000 0.931 0.966 0.983 0.992 0.996 0.998 0.999
after this patch:
Node 0, zone DMA -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000
Node 0, zone DMA32 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000
Node 0, zone Normal -1.000 -1.000 -1.000 -1.000 0.931 0.966 0.983 0.992 0.996 0.998 0.999
Link: https://lkml.kernel.org/r/20211019103241.134797-1-linf@xxxxxxxxxx
Signed-off-by: Lin Feng <linf@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmstat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/vmstat.c~mm-vmstatc-make-extfrag_index-show-more-pretty
+++ a/mm/vmstat.c
@@ -2190,7 +2190,7 @@ static void extfrag_show_print(struct se
for (order = 0; order < MAX_ORDER; ++order) {
fill_contig_page_info(zone, order, &info);
index = __fragmentation_index(order, &info);
- seq_printf(m, "%d.%03d ", index / 1000, index % 1000);
+ seq_printf(m, "%2d.%03d ", index / 1000, index % 1000);
}
seq_putc(m, '\n');
_
Patches currently in -mm which might be from linf@xxxxxxxxxx are
mm-readaheadc-fix-incorrect-comments-for-get_init_ra_size.patch
mm-vmstatc-make-extfrag_index-show-more-pretty.patch
