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-rw-r--r--arch/ia64/mm/contig.c8
-rw-r--r--arch/ia64/mm/discontig.c10
-rw-r--r--arch/ia64/mm/init.c38
-rw-r--r--arch/ia64/mm/tlb.c29
4 files changed, 70 insertions, 15 deletions
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 6e447234205c..d29fb6b9fa33 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -84,9 +84,13 @@ skip:
static inline void
alloc_per_cpu_data(void)
{
- cpu_data = memblock_alloc_from(PERCPU_PAGE_SIZE * num_possible_cpus(),
- PERCPU_PAGE_SIZE,
+ size_t size = PERCPU_PAGE_SIZE * num_possible_cpus();
+
+ cpu_data = memblock_alloc_from(size, PERCPU_PAGE_SIZE,
__pa(MAX_DMA_ADDRESS));
+ if (!cpu_data)
+ panic("%s: Failed to allocate %lu bytes align=%lx from=%lx\n",
+ __func__, size, PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
}
/**
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 8a965784340c..05490dd073e6 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -227,7 +227,7 @@ void __init setup_per_cpu_areas(void)
* CPUs are put into groups according to node. Walk cpu_map
* and create new groups at node boundaries.
*/
- prev_node = -1;
+ prev_node = NUMA_NO_NODE;
ai->nr_groups = 0;
for (unit = 0; unit < nr_units; unit++) {
cpu = cpu_map[unit];
@@ -435,7 +435,7 @@ static void __init *memory_less_node_alloc(int nid, unsigned long pernodesize)
{
void *ptr = NULL;
u8 best = 0xff;
- int bestnode = -1, node, anynode = 0;
+ int bestnode = NUMA_NO_NODE, node, anynode = 0;
for_each_online_node(node) {
if (node_isset(node, memory_less_mask))
@@ -447,13 +447,17 @@ static void __init *memory_less_node_alloc(int nid, unsigned long pernodesize)
anynode = node;
}
- if (bestnode == -1)
+ if (bestnode == NUMA_NO_NODE)
bestnode = anynode;
ptr = memblock_alloc_try_nid(pernodesize, PERCPU_PAGE_SIZE,
__pa(MAX_DMA_ADDRESS),
MEMBLOCK_ALLOC_ACCESSIBLE,
bestnode);
+ if (!ptr)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%lx\n",
+ __func__, pernodesize, PERCPU_PAGE_SIZE, bestnode,
+ __pa(MAX_DMA_ADDRESS));
return ptr;
}
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 29d841525ca1..e49200e31750 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -444,23 +444,45 @@ int __init create_mem_map_page_table(u64 start, u64 end, void *arg)
for (address = start_page; address < end_page; address += PAGE_SIZE) {
pgd = pgd_offset_k(address);
- if (pgd_none(*pgd))
- pgd_populate(&init_mm, pgd, memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node));
+ if (pgd_none(*pgd)) {
+ pud = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node);
+ if (!pud)
+ goto err_alloc;
+ pgd_populate(&init_mm, pgd, pud);
+ }
pud = pud_offset(pgd, address);
- if (pud_none(*pud))
- pud_populate(&init_mm, pud, memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node));
+ if (pud_none(*pud)) {
+ pmd = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node);
+ if (!pmd)
+ goto err_alloc;
+ pud_populate(&init_mm, pud, pmd);
+ }
pmd = pmd_offset(pud, address);
- if (pmd_none(*pmd))
- pmd_populate_kernel(&init_mm, pmd, memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node));
+ if (pmd_none(*pmd)) {
+ pte = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node);
+ if (!pte)
+ goto err_alloc;
+ pmd_populate_kernel(&init_mm, pmd, pte);
+ }
pte = pte_offset_kernel(pmd, address);
- if (pte_none(*pte))
- set_pte(pte, pfn_pte(__pa(memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node)) >> PAGE_SHIFT,
+ if (pte_none(*pte)) {
+ void *page = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE,
+ node);
+ if (!page)
+ goto err_alloc;
+ set_pte(pte, pfn_pte(__pa(page) >> PAGE_SHIFT,
PAGE_KERNEL));
+ }
}
return 0;
+
+err_alloc:
+ panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d\n",
+ __func__, PAGE_SIZE, PAGE_SIZE, node);
+ return -ENOMEM;
}
struct memmap_init_callback_data {
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index 9340bcb4f29c..5158bd28de05 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -61,8 +61,14 @@ mmu_context_init (void)
{
ia64_ctx.bitmap = memblock_alloc((ia64_ctx.max_ctx + 1) >> 3,
SMP_CACHE_BYTES);
+ if (!ia64_ctx.bitmap)
+ panic("%s: Failed to allocate %u bytes\n", __func__,
+ (ia64_ctx.max_ctx + 1) >> 3);
ia64_ctx.flushmap = memblock_alloc((ia64_ctx.max_ctx + 1) >> 3,
SMP_CACHE_BYTES);
+ if (!ia64_ctx.flushmap)
+ panic("%s: Failed to allocate %u bytes\n", __func__,
+ (ia64_ctx.max_ctx + 1) >> 3);
}
/*
@@ -299,8 +305,8 @@ local_flush_tlb_all (void)
ia64_srlz_i(); /* srlz.i implies srlz.d */
}
-void
-flush_tlb_range (struct vm_area_struct *vma, unsigned long start,
+static void
+__flush_tlb_range (struct vm_area_struct *vma, unsigned long start,
unsigned long end)
{
struct mm_struct *mm = vma->vm_mm;
@@ -337,6 +343,25 @@ flush_tlb_range (struct vm_area_struct *vma, unsigned long start,
preempt_enable();
ia64_srlz_i(); /* srlz.i implies srlz.d */
}
+
+void flush_tlb_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end)
+{
+ if (unlikely(end - start >= 1024*1024*1024*1024UL
+ || REGION_NUMBER(start) != REGION_NUMBER(end - 1))) {
+ /*
+ * If we flush more than a tera-byte or across regions, we're
+ * probably better off just flushing the entire TLB(s). This
+ * should be very rare and is not worth optimizing for.
+ */
+ flush_tlb_all();
+ } else {
+ /* flush the address range from the tlb */
+ __flush_tlb_range(vma, start, end);
+ /* flush the virt. page-table area mapping the addr range */
+ __flush_tlb_range(vma, ia64_thash(start), ia64_thash(end));
+ }
+}
EXPORT_SYMBOL(flush_tlb_range);
void ia64_tlb_init(void)
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-05-12 06:17:55 +0200