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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>
This commit is contained in:
Heiko Carstens 2016-01-15 14:52:59 +01:00 committed by Martin Schwidefsky
parent ef1f7fd7eb
commit cd17e153af
3 changed files with 0 additions and 6 deletions
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2
arch/s390/kernel/crash_dump.c
View File

@ -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

2
arch/s390/kernel/smp.c
View File

@ -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();

2
arch/s390/numa/numa.c
View File

@ -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;
}