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[v3,09/23] mm/init: Use memblock apis for early memory allocations

Message ID 1386625856-12942-10-git-send-email-santosh.shilimkar@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Santosh Shilimkar Dec. 9, 2013, 9:50 p.m. UTC 
Switch to memblock interfaces for early memory allocator instead of
bootmem allocator. No functional change in beahvior than what it is
in current code from bootmem users points of view.

Archs already converted to NO_BOOTMEM now directly use memblock
interfaces instead of bootmem wrappers build on top of memblock.
And the archs which still uses bootmem, these new apis just fall
back to exiting bootmem APIs.

Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
---
 init/main.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
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Patch

diff --git a/init/main.c b/init/main.c
index febc511..d3e3cff 100644
--- a/init/main.c
+++ b/init/main.c
@@ -355,9 +355,11 @@  static inline void smp_prepare_cpus(unsigned int maxcpus) { }
  */
 static void __init setup_command_line(char *command_line)
 {
-	saved_command_line = alloc_bootmem(strlen (boot_command_line)+1);
-	initcall_command_line = alloc_bootmem(strlen (boot_command_line)+1);
-	static_command_line = alloc_bootmem(strlen (command_line)+1);
+	saved_command_line =
+		memblock_virt_alloc(strlen(boot_command_line) + 1, 0);
+	initcall_command_line =
+		memblock_virt_alloc(strlen(boot_command_line) + 1, 0);
+	static_command_line = memblock_virt_alloc(strlen(command_line) + 1, 0);
 	strcpy (saved_command_line, boot_command_line);
 	strcpy (static_command_line, command_line);
 }