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-rw-r--r--arch/x86/kernel/setup_percpu.c50
1 files changed, 25 insertions, 25 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index dfbc7e6c64d..8794c0c94d2 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -124,7 +124,7 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size,
}
/*
- * Remap allocator
+ * Large page remap allocator
*
* This allocator uses PMD page as unit. A PMD page is allocated for
* each cpu and each is remapped into vmalloc area using PMD mapping.
@@ -137,20 +137,20 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size,
* better than only using 4k mappings while still being NUMA friendly.
*/
#ifdef CONFIG_NEED_MULTIPLE_NODES
-static size_t pcpur_size __initdata;
-static void **pcpur_ptrs __initdata;
+static size_t pcpul_size __initdata;
+static void **pcpul_ptrs __initdata;
-static struct page * __init pcpur_get_page(unsigned int cpu, int pageno)
+static struct page * __init pcpul_get_page(unsigned int cpu, int pageno)
{
size_t off = (size_t)pageno << PAGE_SHIFT;
- if (off >= pcpur_size)
+ if (off >= pcpul_size)
return NULL;
- return virt_to_page(pcpur_ptrs[cpu] + off);
+ return virt_to_page(pcpul_ptrs[cpu] + off);
}
-static ssize_t __init setup_pcpu_remap(size_t static_size)
+static ssize_t __init setup_pcpu_lpage(size_t static_size)
{
static struct vm_struct vm;
size_t ptrs_size, dyn_size;
@@ -170,36 +170,36 @@ static ssize_t __init setup_pcpu_remap(size_t static_size)
* Currently supports only single page. Supporting multiple
* pages won't be too difficult if it ever becomes necessary.
*/
- pcpur_size = PFN_ALIGN(static_size + PERCPU_MODULE_RESERVE +
+ pcpul_size = PFN_ALIGN(static_size + PERCPU_MODULE_RESERVE +
PERCPU_DYNAMIC_RESERVE);
- if (pcpur_size > PMD_SIZE) {
+ if (pcpul_size > PMD_SIZE) {
pr_warning("PERCPU: static data is larger than large page, "
"can't use large page\n");
return -EINVAL;
}
- dyn_size = pcpur_size - static_size - PERCPU_FIRST_CHUNK_RESERVE;
+ dyn_size = pcpul_size - static_size - PERCPU_FIRST_CHUNK_RESERVE;
/* allocate pointer array and alloc large pages */
- ptrs_size = PFN_ALIGN(num_possible_cpus() * sizeof(pcpur_ptrs[0]));
- pcpur_ptrs = alloc_bootmem(ptrs_size);
+ ptrs_size = PFN_ALIGN(num_possible_cpus() * sizeof(pcpul_ptrs[0]));
+ pcpul_ptrs = alloc_bootmem(ptrs_size);
for_each_possible_cpu(cpu) {
- pcpur_ptrs[cpu] = pcpu_alloc_bootmem(cpu, PMD_SIZE, PMD_SIZE);
- if (!pcpur_ptrs[cpu])
+ pcpul_ptrs[cpu] = pcpu_alloc_bootmem(cpu, PMD_SIZE, PMD_SIZE);
+ if (!pcpul_ptrs[cpu])
goto enomem;
/*
- * Only use pcpur_size bytes and give back the rest.
+ * Only use pcpul_size bytes and give back the rest.
*
* Ingo: The 2MB up-rounding bootmem is needed to make
* sure the partial 2MB page is still fully RAM - it's
* not well-specified to have a PAT-incompatible area
* (unmapped RAM, device memory, etc.) in that hole.
*/
- free_bootmem(__pa(pcpur_ptrs[cpu] + pcpur_size),
- PMD_SIZE - pcpur_size);
+ free_bootmem(__pa(pcpul_ptrs[cpu] + pcpul_size),
+ PMD_SIZE - pcpul_size);
- memcpy(pcpur_ptrs[cpu], __per_cpu_load, static_size);
+ memcpy(pcpul_ptrs[cpu], __per_cpu_load, static_size);
}
/* allocate address and map */
@@ -212,7 +212,7 @@ static ssize_t __init setup_pcpu_remap(size_t static_size)
pmd = populate_extra_pmd((unsigned long)vm.addr
+ cpu * PMD_SIZE);
- set_pmd(pmd, pfn_pmd(page_to_pfn(virt_to_page(pcpur_ptrs[cpu])),
+ set_pmd(pmd, pfn_pmd(page_to_pfn(virt_to_page(pcpul_ptrs[cpu])),
PAGE_KERNEL_LARGE));
}
@@ -220,22 +220,22 @@ static ssize_t __init setup_pcpu_remap(size_t static_size)
pr_info("PERCPU: Remapped at %p with large pages, static data "
"%zu bytes\n", vm.addr, static_size);
- ret = pcpu_setup_first_chunk(pcpur_get_page, static_size,
+ ret = pcpu_setup_first_chunk(pcpul_get_page, static_size,
PERCPU_FIRST_CHUNK_RESERVE, dyn_size,
PMD_SIZE, vm.addr, NULL);
goto out_free_ar;
enomem:
for_each_possible_cpu(cpu)
- if (pcpur_ptrs[cpu])
- free_bootmem(__pa(pcpur_ptrs[cpu]), pcpur_size);
+ if (pcpul_ptrs[cpu])
+ free_bootmem(__pa(pcpul_ptrs[cpu]), pcpul_size);
ret = -ENOMEM;
out_free_ar:
- free_bootmem(__pa(pcpur_ptrs), ptrs_size);
+ free_bootmem(__pa(pcpul_ptrs), ptrs_size);
return ret;
}
#else
-static ssize_t __init setup_pcpu_remap(size_t static_size)
+static ssize_t __init setup_pcpu_lpage(size_t static_size)
{
return -EINVAL;
}
@@ -367,7 +367,7 @@ void __init setup_per_cpu_areas(void)
* of large page mappings. Please read comments on top of
* each allocator for details.
*/
- ret = setup_pcpu_remap(static_size);
+ ret = setup_pcpu_lpage(static_size);
if (ret < 0)
ret = setup_pcpu_embed(static_size);
if (ret < 0)