kernel/git/stable/linux.git/arch/sparc64/mm/tsb.c, branch master

sparc,sparc64: unify mm/

2008-12-04T17:16:59+00:00

- move all sparc64/mm/ files to arch/sparc/mm/ - commonly named files are named _64.c - add files to sparc/mm/Makefile preserving link order - delete now unused sparc64/mm/Makefile - sparc64 now finds mm/ in sparc Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller

sparc64: Stop using memory barriers for atomics and locks.

2008-12-04T17:16:47+00:00

The kernel always executes in the TSO memory model now, so none of this stuff is necessary any more. With helpful feedback from Nick Piggin. Signed-off-by: David S. Miller

sparc64: Need to disable preemption around smp_tsb_sync().

2008-08-04T20:51:35+00:00

Based upon a bug report by Mariusz Kozlowski It uses smp_call_function_masked() now, which has a preemption-disabled requirement. Signed-off-by: David S. Miller

sparc64: Remove 4MB and 512K base page size options.

2008-07-18T06:44:53+00:00

Adrian Bunk reported that enabling 4MB page size breaks the build. The problem is that MAX_ORDER combined with the page shift exceeds the SECTION_SIZE_BITS we use in asm-sparc64/sparsemem.h There are several ways I suppose we could work around this. For one we could define a CONFIG_FORCE_MAX_ZONEORDER to decrease MAX_ORDER in these higher page size cases. But I also know that these page size cases are broken wrt. TLB miss handling especially on pre-hypervisor systems, and there isn't an easy way to fix that. These options were meant to be fun experimental hacks anyways, and only 8K and 64K make any sense to support. So remove 512K and 4M base page size support. Of course, we still support these page sizes for huge pages. Signed-off-by: David S. Miller

[SPARC64]: Allocate TSB node-local.

2008-04-24T06:32:17+00:00

Signed-off-by: David S. Miller

[SPARC64]: Fix build failure when CONFIG_BUG is disabled.

2007-10-31T22:30:52+00:00

When CONFIG_BUG is turned off, the standard trick of: switch (x) { case X: ... case Y: ... default: BUG(); }; to mark impossible cases does not work because BUG() evalutes to nothing and thus GCC just sees a fallthrough code path. Add an explicit KERN_ERR log message and a do_exit() to trap this case. Signed-off-by: David S. Miller

mm: Remove slab destructors from kmem_cache_create().

2007-07-20T01:11:58+00:00

Slab destructors were no longer supported after Christoph's c59def9f222d44bb7e2f0a559f2906191a0862d7 change. They've been BUGs for both slab and slub, and slob never supported them either. This rips out support for the dtor pointer from kmem_cache_create() completely and fixes up every single callsite in the kernel (there were about 224, not including the slab allocator definitions themselves, or the documentation references). Signed-off-by: Paul Mundt

slab allocators: remove multiple alignment specifications

2007-05-07T19:12:55+00:00

It is not necessary to tell the slab allocators to align to a cacheline if an explicit alignment was already specified. It is rather confusing to specify multiple alignments. Make sure that the call sites only use one form of alignment. Signed-off-by: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

slab allocators: Remove obsolete SLAB_MUST_HWCACHE_ALIGN

2007-05-07T19:12:55+00:00

This patch was recently posted to lkml and acked by Pekka. The flag SLAB_MUST_HWCACHE_ALIGN is 1. Never checked by SLAB at all. 2. A duplicate of SLAB_HWCACHE_ALIGN for SLUB 3. Fulfills the role of SLAB_HWCACHE_ALIGN for SLOB. The only remaining use is in sparc64 and ppc64 and their use there reflects some earlier role that the slab flag once may have had. If its specified then SLAB_HWCACHE_ALIGN is also specified. The flag is confusing, inconsistent and has no purpose. Remove it. Acked-by: Pekka Enberg Signed-off-by: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

Quicklist support for sparc64

2007-05-07T19:12:54+00:00

I ported this to sparc64 as per the patch below, tested on UP SunBlade1500 and 24 cpu Niagara T1000. Signed-off-by: David S. Miller Signed-off-by: Christoph Lameter Cc: "David S. Miller" Cc: Andi Kleen Cc: "Luck, Tony" Cc: William Lee Irwin III Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds