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| author | Paul Mundt <lethal@linux-sh.org> | 2009-08-22 19:03:25 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-08-22 19:03:25 +0900 |
| commit | 4f896ffca2b72f4b719746e7fbb0b623252e6ac9 (patch) | |
| tree | f77ef49e1111c1efd4eec1ae305c8bbf746f1cdf /arch/sh | |
| parent | fa9d3b4da55fc8949efc2b4220d93f188fbcebd6 (diff) | |
| download | linux-4f896ffca2b72f4b719746e7fbb0b623252e6ac9.tar.gz linux-4f896ffca2b72f4b719746e7fbb0b623252e6ac9.tar.bz2 linux-4f896ffca2b72f4b719746e7fbb0b623252e6ac9.zip | |
sh: unwinder: cacheline align slab cache objects.
The CIE and FDE structs are big enough and accessed regularly enough in
certain configurations to make cacheline alignment useful.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/kernel/dwarf.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c index 577302f31e6a..700f7e0fd658 100644 --- a/arch/sh/kernel/dwarf.c +++ b/arch/sh/kernel/dwarf.c @@ -899,9 +899,12 @@ static int __init dwarf_unwinder_init(void) entry = &__start_eh_frame; dwarf_frame_cachep = kmem_cache_create("dwarf_frames", - sizeof(struct dwarf_frame), 0, SLAB_PANIC, NULL); + sizeof(struct dwarf_frame), 0, + SLAB_PANIC | SLAB_HWCACHE_ALIGN | SLAB_NOTRACK, NULL); + dwarf_reg_cachep = kmem_cache_create("dwarf_regs", - sizeof(struct dwarf_reg), 0, SLAB_PANIC, NULL); + sizeof(struct dwarf_reg), 0, + SLAB_PANIC | SLAB_HWCACHE_ALIGN | SLAB_NOTRACK, NULL); dwarf_frame_pool = mempool_create(DWARF_FRAME_MIN_REQ, mempool_alloc_slab, |