linux-kernel - [PATCH] x86/mm: memblock: switch to use NUMA_NO

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Date:	Wed, 8 Jan 2014 18:23:18 +0200
From:	Grygorii Strashko <grygorii.strashko@...com>
To:	Fengguang Wu <fengguang.wu@...el.com>, <santosh.shilimkar@...com>
CC:	<x86@...nel.org>, <linux-kernel@...r.kernel.org>,
	<linux-mm@...ck.org>, Grygorii Strashko <grygorii.strashko@...com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Tejun Heo <tj@...nel.org>, Yinghai Lu <yinghai@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: [PATCH] x86/mm: memblock: switch to use NUMA_NO_NODE

Update X86 code to use NUMA_NO_NODE instead of MAX_NUMNODES while
calling memblock APIs, because memblock API is changed to use NUMA_NO_NODE and
will produce warning during boot otherwise.

See:
 https://lkml.org/lkml/2013/12/9/898

Cc: Santosh Shilimkar <santosh.shilimkar@...com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Tejun Heo <tj@...nel.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: David Rientjes <rientjes@...gle.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: "H. Peter Anvin" <hpa@...or.com>

Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
---
Hi Fengguang,

This patch should fix these warnings.

Regards,
-grygorii

 arch/x86/kernel/check.c |    2 +-
 arch/x86/kernel/e820.c  |    2 +-
 arch/x86/mm/memtest.c   |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c
index e2dbcb7..83a7995 100644
--- a/arch/x86/kernel/check.c
+++ b/arch/x86/kernel/check.c
@@ -91,7 +91,7 @@ void __init setup_bios_corruption_check(void)
 
 	corruption_check_size = round_up(corruption_check_size, PAGE_SIZE);
 
-	for_each_free_mem_range(i, MAX_NUMNODES, &start, &end, NULL) {
+	for_each_free_mem_range(i, NUMA_NO_NODE, &start, &end, NULL) {
 		start = clamp_t(phys_addr_t, round_up(start, PAGE_SIZE),
 				PAGE_SIZE, corruption_check_size);
 		end = clamp_t(phys_addr_t, round_down(end, PAGE_SIZE),
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 174da5f..988c00a 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1120,7 +1120,7 @@ void __init memblock_find_dma_reserve(void)
 		nr_pages += end_pfn - start_pfn;
 	}
 
-	for_each_free_mem_range(u, MAX_NUMNODES, &start, &end, NULL) {
+	for_each_free_mem_range(u, NUMA_NO_NODE, &start, &end, NULL) {
 		start_pfn = min_t(unsigned long, PFN_UP(start), MAX_DMA_PFN);
 		end_pfn = min_t(unsigned long, PFN_DOWN(end), MAX_DMA_PFN);
 		if (start_pfn < end_pfn)
diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
index 8dabbed..1e9da79 100644
--- a/arch/x86/mm/memtest.c
+++ b/arch/x86/mm/memtest.c
@@ -74,7 +74,7 @@ static void __init do_one_pass(u64 pattern, u64 start, u64 end)
 	u64 i;
 	phys_addr_t this_start, this_end;
 
-	for_each_free_mem_range(i, MAX_NUMNODES, &this_start, &this_end, NULL) {
+	for_each_free_mem_range(i, NUMA_NO_NODE, &this_start, &this_end, NULL) {
 		this_start = clamp_t(phys_addr_t, this_start, start, end);
 		this_end = clamp_t(phys_addr_t, this_end, start, end);
 		if (this_start < this_end) {
-- 
1.7.9.5

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