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-rw-r--r--mm/Kconfig3
-rw-r--r--mm/cma.h2
-rw-r--r--mm/hugetlb.c4
-rw-r--r--mm/memory.c1
4 files changed, 4 insertions, 6 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 8c60c49a123b..e72e61c1d62e 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -516,13 +516,14 @@ config CMA_DEBUGFS
config CMA_AREAS
int "Maximum count of the CMA areas"
depends on CMA
+ default 19 if NUMA
default 7
help
CMA allows to create CMA areas for particular purpose, mainly,
used as device private area. This parameter sets the maximum
number of CMA area in the system.
- If unsure, leave the default value "7".
+ If unsure, leave the default value "7" in UMA and "19" in NUMA.
config MEM_SOFT_DIRTY
bool "Track memory changes"
diff --git a/mm/cma.h b/mm/cma.h
index 20f6e24bc477..42ae082cb067 100644
--- a/mm/cma.h
+++ b/mm/cma.h
@@ -4,8 +4,6 @@
#include <linux/debugfs.h>
-#define CMA_MAX_NAME 64
-
struct cma {
unsigned long base_pfn;
unsigned long count;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index ddbd3b355361..fe76f8fd5a73 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5706,12 +5706,12 @@ void __init hugetlb_cma_reserve(int order)
reserved = 0;
for_each_node_state(nid, N_ONLINE) {
int res;
- char name[20];
+ char name[CMA_MAX_NAME];
size = min(per_node, hugetlb_cma_size - reserved);
size = round_up(size, PAGE_SIZE << order);
- snprintf(name, 20, "hugetlb%d", nid);
+ snprintf(name, sizeof(name), "hugetlb%d", nid);
res = cma_declare_contiguous_nid(0, size, 0, PAGE_SIZE << order,
0, false, name,
&hugetlb_cma[nid], nid);
diff --git a/mm/memory.c b/mm/memory.c
index f482af8bc828..2afb01ea1307 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -65,7 +65,6 @@
#include <linux/gfp.h>
#include <linux/migrate.h>
#include <linux/string.h>
-#include <linux/dma-debug.h>
#include <linux/debugfs.h>
#include <linux/userfaultfd_k.h>
#include <linux/dax.h>