s390/vmemmap: fallback to PTEs if mapping large PMD fails
Let's fallback to single pages if short on huge pages. No need to stop memory hotplug. Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20200722094558.9828-8-david@redhat.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
parent
b9ff81003c
commit
f2057b4266
|
@ -180,10 +180,10 @@ static int __ref modify_pmd_table(pud_t *pud, unsigned long addr,
|
|||
*/
|
||||
new_page = vmemmap_alloc_block(PMD_SIZE,
|
||||
NUMA_NO_NODE);
|
||||
if (!new_page)
|
||||
goto out;
|
||||
pmd_val(*pmd) = __pa(new_page) | prot;
|
||||
continue;
|
||||
if (new_page) {
|
||||
pmd_val(*pmd) = __pa(new_page) | prot;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
pte = vmem_pte_alloc();
|
||||
if (!pte)
|
||||
|
|
Loading…
Reference in New Issue