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Subject[PATCH v9 06/46] x86, mm: Change find_early_table_space() paramters
Date
call split_mem_range inside the function, that will make us call
split_mem_range two times. Following patch:

x86, mm: Find early page table buffer together

tidies this up so we do not end up calling split_mem_range twice.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
arch/x86/mm/init.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index dbef4ff..51f919f 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -196,12 +196,18 @@ static int __meminit split_mem_range(struct map_range *mr, int nr_range,
* mr[0].start to mr[nr_range - 1].end, while accounting for possible 2M and 1GB
* pages. Then find enough contiguous space for those page tables.
*/
-static void __init find_early_table_space(struct map_range *mr, int nr_range)
+static void __init find_early_table_space(unsigned long start, unsigned long end)
{
int i;
unsigned long puds = 0, pmds = 0, ptes = 0, tables;
- unsigned long start = 0, good_end;
+ unsigned long good_end;
phys_addr_t base;
+ struct map_range mr[NR_RANGE_MR];
+ int nr_range;
+
+ memset(mr, 0, sizeof(mr));
+ nr_range = 0;
+ nr_range = split_mem_range(mr, nr_range, start, end);

for (i = 0; i < nr_range; i++) {
unsigned long range, extra;
@@ -276,7 +282,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
* nodes are discovered.
*/
if (!after_bootmem)
- find_early_table_space(mr, nr_range);
+ find_early_table_space(start, end);

for (i = 0; i < nr_range; i++)
ret = kernel_physical_mapping_init(mr[i].start, mr[i].end,
--
1.7.7


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