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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-29 11:36:04 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-29 14:05:37 -0700
commit6a22c57b8d2a62dea7280a6b2ac807a539ef0716 (patch)
parent3529a233421fc43fa7bfdf7a4317daf28348a23d (diff)
Revert "x86_64: allocate sparsemem memmap above 4G"
This reverts commit 2e1c49db4c640b35df13889b86b9d62215ade4b6. First off, testing in Fedora has shown it to cause boot failures, bisected down by Martin Ebourne, and reported by Dave Jobes. So the commit will likely be reverted in the 2.6.23 stable kernels. Secondly, in the 2.6.24 model, x86-64 has now grown support for SPARSEMEM_VMEMMAP, which disables the relevant code anyway, so while the bug is not visible any more, it's become invisible due to the code just being irrelevant and no longer enabled on the only architecture that this ever affected. Reported-by: Dave Jones <davej@redhat.com> Tested-by: Martin Ebourne <fedora@ebourne.me.uk> Cc: Zou Nan hai <nanhai.zou@intel.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Acked-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
3 files changed, 0 insertions, 18 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 1e3862e41065..a7308b2cd058 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -728,12 +728,6 @@ int in_gate_area_no_task(unsigned long addr)
return (addr >= VSYSCALL_START) && (addr < VSYSCALL_END);
-void * __init alloc_bootmem_high_node(pg_data_t *pgdat, unsigned long size)
- return __alloc_bootmem_core(pgdat->bdata, size,
- SMP_CACHE_BYTES, (4UL*1024*1024*1024), 0);
const char *arch_vma_name(struct vm_area_struct *vma)
if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso)
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index c83534ee1e79..0365ec9fc0c9 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -59,7 +59,6 @@ extern void *__alloc_bootmem_core(struct bootmem_data *bdata,
unsigned long align,
unsigned long goal,
unsigned long limit);
-extern void *alloc_bootmem_high_node(pg_data_t *pgdat, unsigned long size);
extern void reserve_bootmem(unsigned long addr, unsigned long size);
diff --git a/mm/sparse.c b/mm/sparse.c
index 08fb14f5eea3..e06f514fe04f 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -220,12 +220,6 @@ static int __meminit sparse_init_one_section(struct mem_section *ms,
return 1;
-__attribute__((weak)) __init
-void *alloc_bootmem_high_node(pg_data_t *pgdat, unsigned long size)
- return NULL;
static unsigned long usemap_size(void)
unsigned long size_bytes;
@@ -267,11 +261,6 @@ struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid)
if (map)
return map;
- map = alloc_bootmem_high_node(NODE_DATA(nid),
- sizeof(struct page) * PAGES_PER_SECTION);
- if (map)
- return map;
map = alloc_bootmem_node(NODE_DATA(nid),
sizeof(struct page) * PAGES_PER_SECTION);
return map;