dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

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>
This commit is contained in:
Paul Mundt 2009-08-22 19:03:25 +09:00
parent fa9d3b4da5
commit 4f896ffca2
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/sh/kernel/dwarf.c
View File

@ -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,