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arch_numa: simplify numa_distance allocation 

Patch series "memblock: cleanup memblock_free interface", v2.

This is the fix for memblock freeing APIs mismatch [1].

The first patch is a cleanup of numa_distance allocation in arch_numa
I've spotted during the conversion.  The second patch is a fix for Xen
memory freeing on some of the error paths.

[1] https://lore.kernel.org/all/CAHk-=wj9k4LZTz+svCxLYs5Y1=+yKrbAUArH1+ghyG3OLd8VVg@mail.gmail.com

This patch (of 6):

Memory allocation of numa_distance uses memblock_phys_alloc_range()
without actual range limits, converts the returned physical address to
virtual and then only uses the virtual address for further
initialization.

Simplify this by replacing memblock_phys_alloc_range() with
memblock_alloc().

Link: https://lkml.kernel.org/r/20210930185031.18648-1-rppt@kernel.org
Link: https://lkml.kernel.org/r/20210930185031.18648-2-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Juergen Gross <jgross@suse.com>
Cc: Shahab Vahedi <Shahab.Vahedi@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mike Rapoport 2021-11-05 13:43:07 -07:00 committed by Linus Torvalds
parent 41d4613b37
commit 5787ea5bed
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/base/arch_numa.c
View File

@ -337,15 +337,13 @@ void __init numa_free_distance(void)
static int __init numa_alloc_distance(void)
{
size_t size;
u64 phys;
int i, j;
size = nr_node_ids * nr_node_ids * sizeof(numa_distance[0]);
phys = memblock_phys_alloc_range(size, PAGE_SIZE, 0, PFN_PHYS(max_pfn));
if (WARN_ON(!phys))
numa_distance = memblock_alloc(size, PAGE_SIZE);
if (WARN_ON(!numa_distance))
return -ENOMEM;
numa_distance = __va(phys);
numa_distance_cnt = nr_node_ids;
/* fill with the default distances */