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Commit f46bdf2d authored by Mike Travis's avatar Mike Travis Committed by Ingo Molnar
Browse files

numa: move large array from stack to _initdata section 



  * Move large array "struct bootnode nodes" from stack to _initdata
    section to reduce amount of stack space required.

Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: default avatarMike Travis <travis@sgi.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent aa6b5446

arch/x86/mm/numa_64.c

+2 −1
Original line number Diff line number Diff line
@@ -380,9 +380,10 @@ static int __init split_nodes_by_size(struct bootnode *nodes, u64 *addr, 
 * Sets up the system RAM area from start_pfn to end_pfn according to the

 * numa=fake command-line option.

 */

static struct bootnode nodes[MAX_NUMNODES] __initdata;



static int __init numa_emulation(unsigned long start_pfn, unsigned long end_pfn)

{

	struct bootnode nodes[MAX_NUMNODES];

	u64 size, addr = start_pfn << PAGE_SHIFT;

	u64 max_addr = end_pfn << PAGE_SHIFT;

	int num_nodes = 0, num = 0, coeff_flag, coeff = -1, i;