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-rw-r--r--mm/hugetlb.c2
-rw-r--r--mm/mremap.c4
-rw-r--r--mm/vmscan.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index ae2959bb59cb..034617f8cdb2 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1020,7 +1020,7 @@ static long region_chg(struct list_head *head, long f, long t)
* size such that we can guarentee to record the reservation. */
if (&rg->link == head || t < rg->from) {
nrg = kmalloc(sizeof(*nrg), GFP_KERNEL);
- if (nrg == 0)
+ if (!nrg)
return -ENOMEM;
nrg->from = f;
nrg->to = f;
diff --git a/mm/mremap.c b/mm/mremap.c
index 8ea5c2412c6e..08e3c7f2bd15 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -291,7 +291,7 @@ unsigned long do_mremap(unsigned long addr,
if ((addr <= new_addr) && (addr+old_len) > new_addr)
goto out;
- ret = security_file_mmap(0, 0, 0, 0, new_addr, 1);
+ ret = security_file_mmap(NULL, 0, 0, 0, new_addr, 1);
if (ret)
goto out;
@@ -399,7 +399,7 @@ unsigned long do_mremap(unsigned long addr,
goto out;
}
- ret = security_file_mmap(0, 0, 0, 0, new_addr, 1);
+ ret = security_file_mmap(NULL, 0, 0, 0, new_addr, 1);
if (ret)
goto out;
}
diff --git a/mm/vmscan.c b/mm/vmscan.c
index e1471385d001..cb474cc99645 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1282,7 +1282,7 @@ out:
*/
if (priority < 0)
priority = 0;
- for (i = 0; zones[i] != 0; i++) {
+ for (i = 0; zones[i] != NULL; i++) {
struct zone *zone = zones[i];
if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL))