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sparc64: Increase vmalloc size to fix percpu regressions.

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Since we now use the embedding percpu allocator we have to make the
vmalloc area at least as large as the stretch can be between nodes.

Besides some minor asm adjustments, this turned out to be pretty
trivial.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2009-09-28 14:39:58 -07:00
parent 01552f765c
commit 1b6b9d6247
2 changed files with 6 additions and 6 deletions
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4
arch/sparc/include/asm/pgtable_64.h
View file

@ -41,8 +41,8 @@
#define LOW_OBP_ADDRESS _AC(0x00000000f0000000,UL)
#define HI_OBP_ADDRESS _AC(0x0000000100000000,UL)
#define VMALLOC_START _AC(0x0000000100000000,UL)
#define VMALLOC_END _AC(0x0000000200000000,UL)
#define VMEMMAP_BASE _AC(0x0000000200000000,UL)
#define VMALLOC_END _AC(0x0000010000000000,UL)
#define VMEMMAP_BASE _AC(0x0000010000000000,UL)
#define vmemmap ((struct page *)VMEMMAP_BASE)

8
arch/sparc/kernel/ktlb.S
View file

@ -280,8 +280,8 @@ kvmap_dtlb_nonlinear:
#ifdef CONFIG_SPARSEMEM_VMEMMAP
/* Do not use the TSB for vmemmap. */
mov (VMEMMAP_BASE >> 24), %g5
sllx %g5, 24, %g5
mov (VMEMMAP_BASE >> 40), %g5
sllx %g5, 40, %g5
cmp %g4,%g5
bgeu,pn %xcc, kvmap_vmemmap
nop
@ -293,8 +293,8 @@ kvmap_dtlb_tsbmiss:
sethi %hi(MODULES_VADDR), %g5
cmp %g4, %g5
blu,pn %xcc, kvmap_dtlb_longpath
mov (VMALLOC_END >> 24), %g5
sllx %g5, 24, %g5
mov (VMALLOC_END >> 40), %g5
sllx %g5, 40, %g5
cmp %g4, %g5
bgeu,pn %xcc, kvmap_dtlb_longpath
nop