Re: [PATCH 1/3] mm/show_mem: simplify ifdef on si_meminfo_node()

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On 2024/3/14 8:54, Luis Chamberlain wrote:
There is an ifdef where the same exact values are used at
the end, so remove the else and keep the same values for both
conditions.

Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
---
  mm/show_mem.c | 5 +----
  1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/mm/show_mem.c b/mm/show_mem.c
index 8dcfafbd283c..529d2f9b6410 100644
--- a/mm/show_mem.c
+++ b/mm/show_mem.c
@@ -108,12 +108,9 @@ void si_meminfo_node(struct sysinfo *val, int nid)
  			free_highpages += zone_page_state(zone, NR_FREE_PAGES);
  		}
  	}
+#endif
  	val->totalhigh = managed_highpages;
  	val->freehigh = free_highpages;
-#else
-	val->totalhigh = managed_highpages;
-	val->freehigh = free_highpages;
-#endif
  	val->mem_unit = PAGE_SIZE;
  }
  #endif

More cleanup?
diff --git a/mm/show_mem.c b/mm/show_mem.c
index 8dcfafbd283c..44dd6d6e9488 100644
--- a/mm/show_mem.c
+++ b/mm/show_mem.c
@@ -94,26 +94,21 @@ void si_meminfo_node(struct sysinfo *val, int nid)
        unsigned long free_highpages = 0;
        pg_data_t *pgdat = NODE_DATA(nid);

-       for (zone_type = 0; zone_type < MAX_NR_ZONES; zone_type++)
- managed_pages += zone_managed_pages(&pgdat->node_zones[zone_type]);
-       val->totalram = managed_pages;
-       val->sharedram = node_page_state(pgdat, NR_SHMEM);
-       val->freeram = sum_zone_node_page_state(nid, NR_FREE_PAGES);
-#ifdef CONFIG_HIGHMEM
        for (zone_type = 0; zone_type < MAX_NR_ZONES; zone_type++) {
                struct zone *zone = &pgdat->node_zones[zone_type];

+               managed_pages += zone_managed_pages(zone);
                if (is_highmem(zone)) {
                        managed_highpages += zone_managed_pages(zone);
free_highpages += zone_page_state(zone, NR_FREE_PAGES);
                }
        }
+
+       val->totalram = managed_pages;
+       val->sharedram = node_page_state(pgdat, NR_SHMEM);
+       val->freeram = sum_zone_node_page_state(nid, NR_FREE_PAGES);
        val->totalhigh = managed_highpages;
        val->freehigh = free_highpages;
-#else
-       val->totalhigh = managed_highpages;
-       val->freehigh = free_highpages;
-#endif
        val->mem_unit = PAGE_SIZE;
 }




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