diff options
Diffstat (limited to 'arch/s390/mm/vmem.c')
| -rw-r--r-- | arch/s390/mm/vmem.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 8c1970d1dd91..4799383e2df9 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -61,12 +61,12 @@ static inline pmd_t *vmem_pmd_alloc(void) return pmd; } -static pte_t __ref *vmem_pte_alloc(void) +static pte_t __ref *vmem_pte_alloc(unsigned long address) { pte_t *pte; if (slab_is_available()) - pte = (pte_t *) page_table_alloc(&init_mm); + pte = (pte_t *) page_table_alloc(&init_mm, address); else pte = alloc_bootmem(PTRS_PER_PTE * sizeof(pte_t)); if (!pte) @@ -120,7 +120,7 @@ static int vmem_add_mem(unsigned long start, unsigned long size, int ro) } #endif if (pmd_none(*pm_dir)) { - pt_dir = vmem_pte_alloc(); + pt_dir = vmem_pte_alloc(address); if (!pt_dir) goto out; pmd_populate(&init_mm, pm_dir, pt_dir); @@ -205,7 +205,7 @@ int __meminit vmemmap_populate(struct page *start, unsigned long nr, int node) pm_dir = pmd_offset(pu_dir, address); if (pmd_none(*pm_dir)) { - pt_dir = vmem_pte_alloc(); + pt_dir = vmem_pte_alloc(address); if (!pt_dir) goto out; pmd_populate(&init_mm, pm_dir, pt_dir); @@ -335,6 +335,9 @@ void __init vmem_map_init(void) ro_start = ((unsigned long)&_stext) & PAGE_MASK; ro_end = PFN_ALIGN((unsigned long)&_eshared); for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) { + if (memory_chunk[i].type == CHUNK_CRASHK || + memory_chunk[i].type == CHUNK_OLDMEM) + continue; start = memory_chunk[i].addr; end = memory_chunk[i].addr + memory_chunk[i].size; if (start >= ro_end || end <= ro_start) @@ -368,6 +371,9 @@ static int __init vmem_convert_memory_chunk(void) for (i = 0; i < MEMORY_CHUNKS; i++) { if (!memory_chunk[i].size) continue; + if (memory_chunk[i].type == CHUNK_CRASHK || + memory_chunk[i].type == CHUNK_OLDMEM) + continue; seg = kzalloc(sizeof(*seg), GFP_KERNEL); if (!seg) panic("Out of memory...\n"); |