The patch titled
Subject: mm-page_alloc-count-cma-pages-per-zone-and-print-them-in-proc-zoneinfo-v2
has been added to the -mm tree. Its filename is
mm-page_alloc-count-cma-pages-per-zone-and-print-them-in-proc-zoneinfo-v2.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-page_alloc-count-cma-pages-per-zone-and-print-them-in-proc-zoneinfo-v2.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-page_alloc-count-cma-pages-per-zone-and-print-them-in-proc-zoneinfo-v2.patch
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------------------------------------------------------
From: David Hildenbrand <david@xxxxxxxxxx>
Subject: mm-page_alloc-count-cma-pages-per-zone-and-print-them-in-proc-zoneinfo-v2
- Print/track only with CONFIG_CMA
- Extend patch description
Link: https://lkml.kernel.org/r/20210128164533.18566-1-david@xxxxxxxxxx
Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: "Peter Zijlstra (Intel)" <peterz@xxxxxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxx>
Cc: Oscar Salvador <osalvador@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mmzone.h | 2 ++
mm/vmstat.c | 9 ++++++---
2 files changed, 8 insertions(+), 3 deletions(-)
--- a/include/linux/mmzone.h~mm-page_alloc-count-cma-pages-per-zone-and-print-them-in-proc-zoneinfo-v2
+++ a/include/linux/mmzone.h
@@ -530,7 +530,9 @@ struct zone {
atomic_long_t managed_pages;
unsigned long spanned_pages;
unsigned long present_pages;
+#ifdef CONFIG_CMA
unsigned long cma_pages;
+#endif
const char *name;
--- a/mm/vmstat.c~mm-page_alloc-count-cma-pages-per-zone-and-print-them-in-proc-zoneinfo-v2
+++ a/mm/vmstat.c
@@ -1637,16 +1637,19 @@ static void zoneinfo_show_print(struct s
"\n high %lu"
"\n spanned %lu"
"\n present %lu"
- "\n managed %lu"
- "\n cma %lu",
+ "\n managed %lu",
zone_page_state(zone, NR_FREE_PAGES),
min_wmark_pages(zone),
low_wmark_pages(zone),
high_wmark_pages(zone),
zone->spanned_pages,
zone->present_pages,
- zone_managed_pages(zone),
+ zone_managed_pages(zone));
+#ifdef CONFIG_CMA
+ seq_printf(m,
+ "\n cma %lu",
zone->cma_pages);
+#endif
seq_printf(m,
"\n protection: (%ld",
_
Patches currently in -mm which might be from david@xxxxxxxxxx are
video-fbdev-acornfb-remove-free_unused_pages.patch
mm-simplify-free_highmem_page-and-free_reserved_page.patch
mm-cma-expose-all-pages-to-the-buddy-if-activation-of-an-area-fails.patch
mm-page_alloc-count-cma-pages-per-zone-and-print-them-in-proc-zoneinfo.patch
mm-page_alloc-count-cma-pages-per-zone-and-print-them-in-proc-zoneinfo-v2.patch
mm-memory_hotplug-memhp_merge_resource-mhp_merge_resource.patch
