memblock: add align parameter to memblock_alloc_node()

With the align parameter memblock_alloc_node() can be used as drop in
replacement for alloc_bootmem_pages_node() and __alloc_bootmem_node(),
which is done in the following patches.

Link: http://lkml.kernel.org/r/1536927045-23536-15-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.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 Hocko <mhocko@suse.com>
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>

diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 7d91f0f5ee44d9e4b19a97e6be748694d44db818..3896af205303e1ddb91d37230b2811c51a6aab35 100644 (file)
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -157,9 +157,9 @@ static inline void * __init memblock_alloc_from_nopanic(
 }
 
 static inline void * __init memblock_alloc_node(
-                                               phys_addr_t size, int nid)
+               phys_addr_t size, phys_addr_t align, int nid)
 {
-       return memblock_alloc_try_nid(size, 0, BOOTMEM_LOW_LIMIT,
+       return memblock_alloc_try_nid(size, align, BOOTMEM_LOW_LIMIT,
                                            BOOTMEM_ALLOC_ACCESSIBLE, nid);
 }
 

diff --git a/mm/sparse.c b/mm/sparse.c
index cb900dda7fd2ab2597f2e5b806950dd500a28559..d1296610562b3ab5d39af7c959e80cc919e3acfb 100644 (file)
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -68,7 +68,7 @@ static noinline struct mem_section __ref *sparse_index_alloc(int nid)
        if (slab_is_available())
                section = kzalloc_node(array_size, GFP_KERNEL, nid);
        else
-               section = memblock_alloc_node(array_size, nid);
+               section = memblock_alloc_node(array_size, 0, nid);
 
        return section;
 }