memblock: replace alloc_bootmem_pages with memblock_alloc

The alloc_bootmem_pages() function allocates PAGE_SIZE aligned memory.
memblock_alloc() with alignment set to PAGE_SIZE does exactly the same
thing.

The conversion is done using the following semantic patch:

@@
expression e;
@@
- alloc_bootmem_pages(e)
+ memblock_alloc(e, PAGE_SIZE)

Link: http://lkml.kernel.org/r/1536927045-23536-20-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>

arch/m68k/mm/init.c

@@ -93,7 +93,7 @@ void __init paging_init(void)
 
 	high_memory = (void *) end_mem;
 
-	empty_zero_page = alloc_bootmem_pages(PAGE_SIZE);
+	empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
 
 	/*
 	 * Set up SFC/DFC registers (user data space).

arch/m68k/mm/mcfmmu.c

@@ -44,7 +44,7 @@ void __init paging_init(void)
 	enum zone_type zone;
 	int i;
 
-	empty_zero_page = (void *) alloc_bootmem_pages(PAGE_SIZE);
+	empty_zero_page = (void *) memblock_alloc(PAGE_SIZE, PAGE_SIZE);
 	memset((void *) empty_zero_page, 0, PAGE_SIZE);
 
 	pg_dir = swapper_pg_dir;
@@ -52,7 +52,7 @@ void __init paging_init(void)
 
 	size = num_pages * sizeof(pte_t);
 	size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1);
-	next_pgtable = (unsigned long) alloc_bootmem_pages(size);
+	next_pgtable = (unsigned long) memblock_alloc(size, PAGE_SIZE);
 
 	bootmem_end = (next_pgtable + size + PAGE_SIZE) & PAGE_MASK;
 	pg_dir += PAGE_OFFSET >> PGDIR_SHIFT;

arch/m68k/mm/motorola.c

@@ -276,7 +276,7 @@ void __init paging_init(void)
 	 * initialize the bad page table and bad page to point
 	 * to a couple of allocated pages
 	 */
-	empty_zero_page = alloc_bootmem_pages(PAGE_SIZE);
+	empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
 
 	/*
 	 * Set up SFC/DFC registers

arch/m68k/mm/sun3mmu.c

@@ -45,7 +45,7 @@ void __init paging_init(void)
 	unsigned long zones_size[MAX_NR_ZONES] = { 0, };
 	unsigned long size;
 
-	empty_zero_page = alloc_bootmem_pages(PAGE_SIZE);
+	empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
 
 	address = PAGE_OFFSET;
 	pg_dir = swapper_pg_dir;
@@ -55,7 +55,7 @@ void __init paging_init(void)
 	size = num_pages * sizeof(pte_t);
 	size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1);
 
-	next_pgtable = (unsigned long)alloc_bootmem_pages(size);
+	next_pgtable = (unsigned long)memblock_alloc(size, PAGE_SIZE);
 	bootmem_end = (next_pgtable + size + PAGE_SIZE) & PAGE_MASK;
 
 	/* Map whole memory from PAGE_OFFSET (0x0E000000) */