percpu: rename 4k first chunk allocator to page

Page size isn't always 4k depending on arch and configuration.  Rename
4k first chunk allocator to page.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Howells <dhowells@redhat.com>

1 files changed, 12 insertions, 11 deletions

diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index a26ff61e2fb0..1e17711c29d6 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -249,21 +249,22 @@ static ssize_t __init setup_pcpu_embed(size_t static_size, bool chosen)
 }
 
 /*
- * 4k allocator
+ * Page allocator
  *
- * Boring fallback 4k allocator.  This allocator puts more pressure on
- * PTE TLBs but other than that behaves nicely on both UMA and NUMA.
+ * Boring fallback 4k page allocator.  This allocator puts more
+ * pressure on PTE TLBs but other than that behaves nicely on both UMA
+ * and NUMA.
  */
-static void __init pcpu4k_populate_pte(unsigned long addr)
+static void __init pcpup_populate_pte(unsigned long addr)
 {
         populate_extra_pte(addr);
 }
 
-static ssize_t __init setup_pcpu_4k(size_t static_size)
+static ssize_t __init setup_pcpu_page(size_t static_size)
 {
-        return pcpu_4k_first_chunk(static_size, PERCPU_FIRST_CHUNK_RESERVE,
-                                   pcpu_fc_alloc, pcpu_fc_free,
-                                   pcpu4k_populate_pte);
+        return pcpu_page_first_chunk(static_size, PERCPU_FIRST_CHUNK_RESERVE,
+                                     pcpu_fc_alloc, pcpu_fc_free,
+                                     pcpup_populate_pte);
 }
 
 /* for explicit first chunk allocator selection */
@@ -307,7 +308,7 @@ void __init setup_per_cpu_areas(void)
          */
         ret = -EINVAL;
         if (strlen(pcpu_chosen_alloc)) {
-                if (strcmp(pcpu_chosen_alloc, "4k")) {
+                if (strcmp(pcpu_chosen_alloc, "page")) {
                         if (!strcmp(pcpu_chosen_alloc, "lpage"))
                                 ret = setup_pcpu_lpage(static_size, true);
                         else if (!strcmp(pcpu_chosen_alloc, "embed"))
@@ -317,7 +318,7 @@ void __init setup_per_cpu_areas(void)
                                            "specified\n", pcpu_chosen_alloc);
                         if (ret < 0)
                                 pr_warning("PERCPU: %s allocator failed (%zd), "
-                                           "falling back to 4k\n",
+                                           "falling back to page size\n",
                                            pcpu_chosen_alloc, ret);
                 }
         } else {
@@ -326,7 +327,7 @@ void __init setup_per_cpu_areas(void)
                         ret = setup_pcpu_embed(static_size, false);
         }
         if (ret < 0)
-                ret = setup_pcpu_4k(static_size);
+                ret = setup_pcpu_page(static_size);
         if (ret < 0)
                 panic("cannot allocate static percpu area (%zu bytes, err=%zd)",
                       static_size, ret);