The patch titled
x86_64-make-the-numa-hash-function-nodemap-allocation fix fix
has been added to the -mm tree. Its filename is
x86_64-make-the-numa-hash-function-nodemap-allocation-fix-2.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: x86_64-make-the-numa-hash-function-nodemap-allocation fix fix
From: Amul Shah <amul.shah@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Cc: Rohit Seth <rohitseth@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/x86_64/mm/numa.c | 15 ++++++++-------
1 files changed, 8 insertions(+), 7 deletions(-)
diff -puN arch/x86_64/mm/numa.c~x86_64-make-the-numa-hash-function-nodemap-allocation-fix-2 arch/x86_64/mm/numa.c
--- a/arch/x86_64/mm/numa.c~x86_64-make-the-numa-hash-function-nodemap-allocation-fix-2
+++ a/arch/x86_64/mm/numa.c
@@ -78,11 +78,8 @@ static int __init allocate_cachealigned_
unsigned long pad, pad_addr;
memnodemap = memnode.embedded_map;
- if (memnodemapsize <= 48) {
- printk(KERN_DEBUG "NUMA: Allocated memnodemap from %lx - %lx\n",
- nodemap_addr, nodemap_addr + nodemap_size);
+ if (memnodemapsize <= 48)
return 0;
- }
pad = L1_CACHE_BYTES - 1;
pad_addr = 0x8000;
@@ -110,7 +107,7 @@ static int __init allocate_cachealigned_
static int __init
extract_lsb_from_nodes (const struct bootnode *nodes, int numnodes)
{
- int i;
+ int i, nodes_used = 0;
unsigned long start, end;
unsigned long bitfield = 0, memtop = 0;
@@ -119,11 +116,15 @@ extract_lsb_from_nodes (const struct boo
end = nodes[i].end;
if (start >= end)
continue;
- bitfield |= start | end;
+ bitfield |= start;
+ nodes_used++;
if (end > memtop)
memtop = end;
}
- i = find_first_bit(&bitfield, sizeof(unsigned long)*8);
+ if (nodes_used <= 1 )
+ i = 63;
+ else
+ i = find_first_bit(&bitfield, sizeof(unsigned long)*8);
memnodemapsize = (memtop >> i)+1;
return i;
}
_
Patches currently in -mm which might be from amul.shah@xxxxxxxxxx are
x86_64-make-the-numa-hash-function-nodemap-allocation.patch
x86_64-make-the-numa-hash-function-nodemap-allocation-fix.patch
x86_64-make-the-numa-hash-function-nodemap-allocation-fix-2.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
