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authorHeiko Carstens <heiko.carstens@de.ibm.com>2016-01-15 14:52:59 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2016-01-19 12:14:02 +0100
commitcd17e153af499c74d7e347c8ad7eab273f55f20b (patch)
tree3a6a3a539f5e8cb9794920cbe68eb9b4abb9224c
parentef1f7fd7eba19eb64fc424355eb9d4e49ca06fb1 (diff)
downloadlwn-cd17e153af499c74d7e347c8ad7eab273f55f20b.tar.gz
lwn-cd17e153af499c74d7e347c8ad7eab273f55f20b.zip
s390: remove superfluous memblock_alloc() return value checks
memblock_alloc() and memblock_alloc_base() will panic on their own if they can't find free memory. Therefore remove some pointless checks. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--arch/s390/kernel/crash_dump.c2
-rw-r--r--arch/s390/kernel/smp.c2
-rw-r--r--arch/s390/numa/numa.c2
3 files changed, 0 insertions, 6 deletions
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index a92b39fd0e63..3986c9f62191 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -59,8 +59,6 @@ struct save_area * __init save_area_alloc(bool is_boot_cpu)
struct save_area *sa;
sa = (void *) memblock_alloc(sizeof(*sa), 8);
- if (!sa)
- return NULL;
if (is_boot_cpu)
list_add(&sa->list, &dump_save_areas);
else
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index a13468b9a913..3c65a8eae34d 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -623,8 +623,6 @@ void __init smp_save_dump_cpus(void)
return;
/* Allocate a page as dumping area for the store status sigps */
page = memblock_alloc_base(PAGE_SIZE, PAGE_SIZE, 1UL << 31);
- if (!page)
- panic("could not allocate memory for save area\n");
/* Set multi-threading state to the previous system. */
pcpu_set_smt(sclp.mtid_prev);
boot_cpu_addr = stap();
diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c
index b75ac43060e1..969b4ed4ed5e 100644
--- a/arch/s390/numa/numa.c
+++ b/arch/s390/numa/numa.c
@@ -58,8 +58,6 @@ static __init pg_data_t *alloc_node_data(void)
pg_data_t *res;
res = (pg_data_t *) memblock_alloc(sizeof(pg_data_t), 8);
- if (!res)
- panic("Could not allocate memory for node data!\n");
memset(res, 0, sizeof(pg_data_t));
return res;
}