memblock: replace free_bootmem{_node} with memblock_free

The free_bootmem and free_bootmem_node are merely wrappers for
memblock_free. Replace their usage with a call to memblock_free using the
following semantic patch:

@@
expression e1, e2, e3;
@@
(
- free_bootmem(e1, e2)
+ memblock_free(e1, e2)
|
- free_bootmem_node(e1, e2, e3)
+ memblock_free(e2, e3)
)

Link: http://lkml.kernel.org/r/1536927045-23536-24-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Serge Semin <fancer.lancer@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

15 files changed, 24 insertions, 52 deletions

diff --git a/arch/alpha/kernel/core_irongate.c b/arch/alpha/kernel/core_irongate.c
index f70986683fc6..35572be9deb5 100644
--- a/arch/alpha/kernel/core_irongate.c
+++ b/arch/alpha/kernel/core_irongate.c
@@ -234,8 +234,7 @@ albacore_init_arch(void)
                         unsigned long size;
 
                         size = initrd_end - initrd_start;
-                        free_bootmem_node(NODE_DATA(0), __pa(initrd_start),
-                                          PAGE_ALIGN(size));
+                        memblock_free(__pa(initrd_start), PAGE_ALIGN(size));
                         if (!move_initrd(pci_mem))
                                 printk("irongate_init_arch: initrd too big "
                                        "(%ldK)\ndisabling initrd\n",
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 3cf87341859f..2ddb1c5e988d 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -536,7 +536,7 @@ static inline void free_memmap(unsigned long start_pfn, unsigned long end_pfn)
          * memmap array.
          */
         if (pg < pgend)
-                free_bootmem(pg, pgend - pg);
+                memblock_free(pg, pgend - pg);
 }
 
 /*
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index c1f95359d298..31522d3bc8bf 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -561,7 +561,7 @@ static void __init bootmem_init(void)
                 extern void show_kernel_relocation(const char *level);
 
                 offset = __pa_symbol(_text) - __pa_symbol(VMLINUX_LOAD_ADDRESS);
-                free_bootmem(__pa_symbol(VMLINUX_LOAD_ADDRESS), offset);
+                memblock_free(__pa_symbol(VMLINUX_LOAD_ADDRESS), offset);
 
 #if defined(CONFIG_DEBUG_KERNEL) && defined(CONFIG_DEBUG_INFO)
                 /*
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 26d7c49a157b..f90ab3ea9af3 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -771,7 +771,7 @@ static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align)
 
 static void __init pcpu_fc_free(void *ptr, size_t size)
 {
-        free_bootmem(__pa(ptr), size);
+        memblock_free(__pa(ptr), size);
 }
 
 static int pcpu_cpu_distance(unsigned int from, unsigned int to)
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 337febdf94b8..a087a6a25f06 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1607,7 +1607,7 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, size_t size,
 
 static void __init pcpu_free_bootmem(void *ptr, size_t size)
 {
-        free_bootmem(__pa(ptr), size);
+        memblock_free(__pa(ptr), size);
 }
 
 static int __init pcpu_cpu_distance(unsigned int from, unsigned int to)
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 185f6bb79269..3555c139389c 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -6,6 +6,7 @@
 #include <linux/stddef.h>
 #include <linux/module.h>
 #include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/highmem.h>
 #include <linux/mm.h>
 #include <linux/swap.h>
@@ -46,7 +47,7 @@ void __init mem_init(void)
          */
         brk_end = (unsigned long) UML_ROUND_UP(sbrk(0));
         map_memory(brk_end, __pa(brk_end), uml_reserved - brk_end, 1, 1, 0);
-        free_bootmem(__pa(brk_end), uml_reserved - brk_end);
+        memblock_free(__pa(brk_end), uml_reserved - brk_end);
         uml_reserved = brk_end;
 
         /* this will put all low memory onto the freelists */
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index 8f8699e62bd5..4ba51991c7de 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -238,7 +238,7 @@ free_memmap(unsigned long start_pfn, unsigned long end_pfn)
          * free the section of the memmap array.
          */
         if (pg < pgend)
-                free_bootmem(pg, pgend - pg);
+                memblock_free(pg, pgend - pg);
 }
 
 /*
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 041663abc028..a006f1ba4c39 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -5,6 +5,7 @@
 #include <linux/export.h>
 #include <linux/init.h>
 #include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/percpu.h>
 #include <linux/kexec.h>
 #include <linux/crash_dump.h>
@@ -135,7 +136,7 @@ static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align)
 
 static void __init pcpu_fc_free(void *ptr, size_t size)
 {
-        free_bootmem(__pa(ptr), size);
+        memblock_free(__pa(ptr), size);
 }
 
 static int __init pcpu_cpu_distance(unsigned int from, unsigned int to)
diff --git a/arch/x86/kernel/tce_64.c b/arch/x86/kernel/tce_64.c
index 54c9b5a696b1..75730ce01f8d 100644
--- a/arch/x86/kernel/tce_64.c
+++ b/arch/x86/kernel/tce_64.c
@@ -31,6 +31,7 @@
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
 #include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <asm/tce.h>
 #include <asm/calgary.h>
 #include <asm/proto.h>
@@ -186,5 +187,5 @@ void __init free_tce_table(void *tbl)
         size = table_size_to_number_of_entries(specified_table_size);
         size *= TCE_ENTRY_SIZE;
 
-        free_bootmem(__pa(tbl), size);
+        memblock_free(__pa(tbl), size);
 }
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 5de761b4cec8..b3e11afed25b 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -68,6 +68,7 @@
 #include <linux/sched.h>
 #include <linux/seq_file.h>
 #include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 
@@ -190,7 +191,7 @@ static void * __ref alloc_p2m_page(void)
 static void __ref free_p2m_page(void *p)
 {
         if (unlikely(!slab_is_available())) {
-                free_bootmem((unsigned long)p, PAGE_SIZE);
+                memblock_free((unsigned long)p, PAGE_SIZE);
                 return;
         }
 
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index 332fcca30944..0069f9084f9f 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -569,7 +569,7 @@ fail_msg_node:
 fail_db_node:
         of_node_put(smu->db_node);
 fail_bootmem:
-        free_bootmem(__pa(smu), sizeof(struct smu_device));
+        memblock_free(__pa(smu), sizeof(struct smu_device));
         smu = NULL;
 fail_np:
         of_node_put(np);
diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c
index 21494c8973b6..ddc5fa88f268 100644
--- a/drivers/usb/early/xhci-dbc.c
+++ b/drivers/usb/early/xhci-dbc.c
@@ -13,6 +13,7 @@
 #include <linux/pci_regs.h>
 #include <linux/pci_ids.h>
 #include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/io.h>
 #include <asm/pci-direct.h>
 #include <asm/fixmap.h>
@@ -191,7 +192,7 @@ static void __init xdbc_free_ring(struct xdbc_ring *ring)
         if (!seg)
                 return;
 
-        free_bootmem(seg->dma, PAGE_SIZE);
+        memblock_free(seg->dma, PAGE_SIZE);
         ring->segment = NULL;
 }
 
@@ -675,10 +676,10 @@ int __init early_xdbc_setup_hardware(void)
                 xdbc_free_ring(&xdbc.in_ring);
 
                 if (xdbc.table_dma)
-                        free_bootmem(xdbc.table_dma, PAGE_SIZE);
+                        memblock_free(xdbc.table_dma, PAGE_SIZE);
 
                 if (xdbc.out_dma)
-                        free_bootmem(xdbc.out_dma, PAGE_SIZE);
+                        memblock_free(xdbc.out_dma, PAGE_SIZE);
 
                 xdbc.table_base = NULL;
                 xdbc.out_buf = NULL;
@@ -997,8 +998,8 @@ free_and_quit:
         xdbc_free_ring(&xdbc.evt_ring);
         xdbc_free_ring(&xdbc.out_ring);
         xdbc_free_ring(&xdbc.in_ring);
-        free_bootmem(xdbc.table_dma, PAGE_SIZE);
-        free_bootmem(xdbc.out_dma, PAGE_SIZE);
+        memblock_free(xdbc.table_dma, PAGE_SIZE);
+        memblock_free(xdbc.out_dma, PAGE_SIZE);
         writel(0, &xdbc.xdbc_reg->control);
         early_iounmap(xdbc.xhci_base, xdbc.xhci_length);
 
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 91a6208ec1a5..c5f26a87d238 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -36,6 +36,7 @@
 #define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
 
 #include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/dma-direct.h>
 #include <linux/export.h>
 #include <xen/swiotlb-xen.h>
@@ -248,7 +249,8 @@ retry:
                                xen_io_tlb_nslabs);
         if (rc) {
                 if (early)
-                        free_bootmem(__pa(xen_io_tlb_start), PAGE_ALIGN(bytes));
+                        memblock_free(__pa(xen_io_tlb_start),
+                                      PAGE_ALIGN(bytes));
                 else {
                         free_pages((unsigned long)xen_io_tlb_start, order);
                         xen_io_tlb_start = NULL;
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 73f1272fce20..706cf8ef6678 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -30,10 +30,6 @@ extern unsigned long free_all_bootmem(void);
 extern void reset_node_managed_pages(pg_data_t *pgdat);
 extern void reset_all_zones_managed_pages(void);
 
-extern void free_bootmem_node(pg_data_t *pgdat,
-                              unsigned long addr,
-                              unsigned long size);
-extern void free_bootmem(unsigned long physaddr, unsigned long size);
 extern void free_bootmem_late(unsigned long physaddr, unsigned long size);
 
 /* We are using top down, so it is safe to use 0 here */
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index bc38e5673d31..85e1822ce918 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -150,33 +150,3 @@ unsigned long __init free_all_bootmem(void)
 
         return pages;
 }
-
-/**
- * free_bootmem_node - mark a page range as usable
- * @pgdat: node the range resides on
- * @physaddr: starting physical address of the range
- * @size: size of the range in bytes
- *
- * Partial pages will be considered reserved and left as they are.
- *
- * The range must reside completely on the specified node.
- */
-void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
-                              unsigned long size)
-{
-        memblock_free(physaddr, size);
-}
-
-/**
- * free_bootmem - mark a page range as usable
- * @addr: starting physical address of the range
- * @size: size of the range in bytes
- *
- * Partial pages will be considered reserved and left as they are.
- *
- * The range must be contiguous but may span node boundaries.
- */
-void __init free_bootmem(unsigned long addr, unsigned long size)
-{
-        memblock_free(addr, size);
-}