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mm: NUMA aware alloc_thread_info_node()

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Add a node parameter to alloc_thread_info(), and change its name to
alloc_thread_info_node()

This change is needed to allow NUMA aware kthread_create_on_cpu()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Tejun Heo <tj@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: David Howells <dhowells@redhat.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Eric Dumazet 2011-03-22 16:30:42 -07:00 committed by Linus Torvalds
parent 504f52b543
commit b6a84016bd
19 changed files with 70 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/cris/include/asm/thread_info.h
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@ -68,7 +68,7 @@ struct thread_info {
#define init_thread_info (init_thread_union.thread_info)
/* thread information allocation */
#define alloc_thread_info(tsk) ((struct thread_info *) __get_free_pages(GFP_KERNEL,1))
#define alloc_thread_info(tsk, node) ((struct thread_info *) __get_free_pages(GFP_KERNEL,1))
#define free_thread_info(ti) free_pages((unsigned long) (ti), 1)
#endif /* !__ASSEMBLY__ */

13
arch/frv/include/asm/thread_info.h
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@ -84,16 +84,11 @@ register struct thread_info *__current_thread_info asm("gr15");
/* thread information allocation */
#ifdef CONFIG_DEBUG_STACK_USAGE
#define alloc_thread_info(tsk) \
({ \
struct thread_info *ret; \
\
ret = kzalloc(THREAD_SIZE, GFP_KERNEL); \
\
ret; \
})
#define alloc_thread_info_node(tsk, node) \
kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
#else
#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
#define alloc_thread_info_node(tsk) \
kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
#endif
#define free_thread_info(info) kfree(info)

5
arch/ia64/include/asm/thread_info.h
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@ -59,11 +59,12 @@ struct thread_info {
#ifndef ASM_OFFSETS_C
/* how to get the thread information struct from C */
#define current_thread_info() ((struct thread_info *) ((char *) current + IA64_TASK_SIZE))
#define alloc_thread_info(tsk) ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
#define alloc_thread_info_node(tsk, node) \
((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
#define task_thread_info(tsk) ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
#else
#define current_thread_info() ((struct thread_info *) 0)
#define alloc_thread_info(tsk) ((struct thread_info *) 0)
#define alloc_thread_info_node(tsk, node) ((struct thread_info *) 0)
#define task_thread_info(tsk) ((struct thread_info *) 0)
#endif
#define free_thread_info(ti) /* nothing */

13
arch/m32r/include/asm/thread_info.h
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@ -96,16 +96,11 @@ static inline struct thread_info *current_thread_info(void)
/* thread information allocation */
#ifdef CONFIG_DEBUG_STACK_USAGE
#define alloc_thread_info(tsk) \
({ \
struct thread_info *ret; \
\
ret = kzalloc(THREAD_SIZE, GFP_KERNEL); \
\
ret; \
})
#define alloc_thread_info_node(tsk, node) \
kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
#else
#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
#define alloc_thread_info_node(tsk, node) \
kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
#endif
#define free_thread_info(info) kfree(info)

6
arch/mips/include/asm/thread_info.h
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@ -88,9 +88,11 @@ register struct thread_info *__current_thread_info __asm__("$28");
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
#ifdef CONFIG_DEBUG_STACK_USAGE
#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL)
#define alloc_thread_info_node(tsk, node) \
kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
#else
#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
#define alloc_thread_info_node(tsk, node) \
kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
#endif
#define free_thread_info(info) kfree(info)

6
arch/mn10300/include/asm/thread_info.h
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@ -124,9 +124,11 @@ static inline unsigned long current_stack_pointer(void)
/* thread information allocation */
#ifdef CONFIG_DEBUG_STACK_USAGE
#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL)
#define alloc_thread_info_node(tsk, node) \
kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
#else
#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
#define alloc_thread_info_node(tsk, node) \
kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
#endif
#define free_thread_info(ti) kfree((ti))

2
arch/powerpc/include/asm/thread_info.h
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@ -72,7 +72,7 @@ struct thread_info {
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
extern struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node);
extern void free_thread_info(struct thread_info *ti);
#endif /* THREAD_SHIFT < PAGE_SHIFT */

4
arch/powerpc/kernel/process.c
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@ -1218,11 +1218,11 @@ void __ppc64_runlatch_off(void)
static struct kmem_cache *thread_info_cache;
struct thread_info *alloc_thread_info(struct task_struct *tsk)
struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node)
{
struct thread_info *ti;
ti = kmem_cache_alloc(thread_info_cache, GFP_KERNEL);
ti = kmem_cache_alloc_node(thread_info_cache, GFP_KERNEL, node);
if (unlikely(ti == NULL))
return NULL;
#ifdef CONFIG_DEBUG_STACK_USAGE

2
arch/score/include/asm/thread_info.h
View File

@ -71,7 +71,7 @@ struct thread_info {
register struct thread_info *__current_thread_info __asm__("r28");
#define current_thread_info() __current_thread_info
#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
#define alloc_thread_info_node(tsk, node) kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
#define free_thread_info(info) kfree(info)
#endif /* !__ASSEMBLY__ */

2
arch/sh/include/asm/thread_info.h
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@ -95,7 +95,7 @@ static inline struct thread_info *current_thread_info(void)
#endif
extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
extern struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node);
extern void free_thread_info(struct thread_info *ti);
extern void arch_task_cache_init(void);
#define arch_task_cache_init arch_task_cache_init

16
arch/sh/kernel/process.c
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@ -32,16 +32,16 @@ void free_thread_xstate(struct task_struct *tsk)
#if THREAD_SHIFT < PAGE_SHIFT
static struct kmem_cache *thread_info_cache;
struct thread_info *alloc_thread_info(struct task_struct *tsk)
struct thread_info *alloc_thread_info(struct task_struct *tsk, int node)
{
struct thread_info *ti;
ti = kmem_cache_alloc(thread_info_cache, GFP_KERNEL);
if (unlikely(ti == NULL))
return NULL;
#ifdef CONFIG_DEBUG_STACK_USAGE
memset(ti, 0, THREAD_SIZE);
gfp_t mask = GFP_KERNEL | __GFP_ZERO;
#else
gfp_t mask = GFP_KERNEL;
#endif
ti = kmem_cache_alloc_node(thread_info_cache, mask, node);
return ti;
}
@ -64,7 +64,9 @@ struct thread_info *alloc_thread_info(struct task_struct *tsk)
#else
gfp_t mask = GFP_KERNEL;
#endif
return (struct thread_info *)__get_free_pages(mask, THREAD_SIZE_ORDER);
struct page *page = alloc_pages_node(node, mask, THREAD_SIZE_ORDER);
return page ? page_address(page) : NULL;
}
void free_thread_info(struct thread_info *ti)

6
arch/sparc/include/asm/thread_info_32.h
View File

@ -82,8 +82,8 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info, void)
#define alloc_thread_info(tsk) BTFIXUP_CALL(alloc_thread_info)()
BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info_node, int)
#define alloc_thread_info_node(tsk, node) BTFIXUP_CALL(alloc_thread_info_node)(node)
BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
#define free_thread_info(ti) BTFIXUP_CALL(free_thread_info)(ti)
@ -92,7 +92,7 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
/*
* Size of kernel stack for each process.
* Observe the order of get_free_pages() in alloc_thread_info().
* Observe the order of get_free_pages() in alloc_thread_info_node().
* The sun4 has 8K stack too, because it's short on memory, and 16K is a waste.
*/
#define THREAD_SIZE 8192

24
arch/sparc/include/asm/thread_info_64.h
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@ -146,21 +146,21 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
#ifdef CONFIG_DEBUG_STACK_USAGE
#define alloc_thread_info(tsk) \
({ \
struct thread_info *ret; \
\
ret = (struct thread_info *) \
__get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER); \
if (ret) \
memset(ret, 0, PAGE_SIZE<<__THREAD_INFO_ORDER); \
ret; \
})
#define THREAD_FLAGS (GFP_KERNEL | __GFP_ZERO)
#else
#define alloc_thread_info(tsk) \
((struct thread_info *)__get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER))
#define THREAD_FLAGS (GFP_KERNEL)
#endif
#define alloc_thread_info_node(tsk, node) \
({ \
struct page *page = alloc_pages_node(node, THREAD_FLAGS, \
__THREAD_INFO_ORDER); \
struct thread_info *ret; \
\
ret = page ? page_address(page) : NULL; \
ret; \
})
#define free_thread_info(ti) \
free_pages((unsigned long)(ti),__THREAD_INFO_ORDER)

4
arch/sparc/mm/srmmu.c
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@ -650,7 +650,7 @@ static void srmmu_unmapiorange(unsigned long virt_addr, unsigned int len)
* mappings on the kernel stack without any special code as we did
* need on the sun4c.
*/
static struct thread_info *srmmu_alloc_thread_info(void)
static struct thread_info *srmmu_alloc_thread_info_node(int node)
{
struct thread_info *ret;
@ -2271,7 +2271,7 @@ void __init ld_mmu_srmmu(void)
BTFIXUPSET_CALL(mmu_info, srmmu_mmu_info, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(alloc_thread_info, srmmu_alloc_thread_info, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(alloc_thread_info_node, srmmu_alloc_thread_info_node, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(free_thread_info, srmmu_free_thread_info, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(pte_to_pgoff, srmmu_pte_to_pgoff, BTFIXUPCALL_NORM);

4
arch/sparc/mm/sun4c.c
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@ -922,7 +922,7 @@ static inline void garbage_collect(int entry)
free_locked_segment(BUCKET_ADDR(entry));
}
static struct thread_info *sun4c_alloc_thread_info(void)
static struct thread_info *sun4c_alloc_thread_info_node(int node)
{
unsigned long addr, pages;
int entry;
@ -2155,7 +2155,7 @@ void __init ld_mmu_sun4c(void)
BTFIXUPSET_CALL(__swp_offset, sun4c_swp_offset, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(__swp_entry, sun4c_swp_entry, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(alloc_thread_info, sun4c_alloc_thread_info, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(alloc_thread_info_node, sun4c_alloc_thread_info_node, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(free_thread_info, sun4c_free_thread_info, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(mmu_info, sun4c_mmu_info, BTFIXUPCALL_NORM);

2
arch/tile/include/asm/thread_info.h
View File

@ -84,7 +84,7 @@ register unsigned long stack_pointer __asm__("sp");
((struct thread_info *)(stack_pointer & -THREAD_SIZE))
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
extern struct thread_info *alloc_thread_info(struct task_struct *task);
extern struct thread_info *alloc_thread_info_node(struct task_struct *task, int node);
extern void free_thread_info(struct thread_info *info);
/* Sit on a nap instruction until interrupted. */

4
arch/tile/kernel/process.c
View File

@ -109,7 +109,7 @@ void cpu_idle(void)
}
}
struct thread_info *alloc_thread_info(struct task_struct *task)
struct thread_info *alloc_thread_info_node(struct task_struct *task, int node)
{
struct page *page;
gfp_t flags = GFP_KERNEL;
@ -118,7 +118,7 @@ struct thread_info *alloc_thread_info(struct task_struct *task)
flags |= __GFP_ZERO;
#endif
page = alloc_pages(flags, THREAD_SIZE_ORDER);
page = alloc_pages_node(node, flags, THREAD_SIZE_ORDER);
if (!page)
return NULL;

10
arch/x86/include/asm/thread_info.h
View File

@ -161,8 +161,14 @@ struct thread_info {
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
#define alloc_thread_info(tsk) \
((struct thread_info *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER))
#define alloc_thread_info_node(tsk, node) \
({ \
struct page *page = alloc_pages_node(node, THREAD_FLAGS, \
THREAD_ORDER); \
struct thread_info *ret = page ? page_address(page) : NULL; \
\
ret; \
})
#ifdef CONFIG_X86_32

9
kernel/fork.c
View File

@ -117,14 +117,17 @@ static struct kmem_cache *task_struct_cachep;
#endif
#ifndef __HAVE_ARCH_THREAD_INFO_ALLOCATOR
static inline struct thread_info *alloc_thread_info(struct task_struct *tsk)
static struct thread_info *alloc_thread_info_node(struct task_struct *tsk,
int node)
{
#ifdef CONFIG_DEBUG_STACK_USAGE
gfp_t mask = GFP_KERNEL | __GFP_ZERO;
#else
gfp_t mask = GFP_KERNEL;
#endif
return (struct thread_info *)__get_free_pages(mask, THREAD_SIZE_ORDER);
struct page *page = alloc_pages_node(node, mask, THREAD_SIZE_ORDER);
return page ? page_address(page) : NULL;
}
static inline void free_thread_info(struct thread_info *ti)
@ -260,7 +263,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
if (!tsk)
return NULL;
ti = alloc_thread_info(tsk);
ti = alloc_thread_info_node(tsk, node);
if (!ti) {
free_task_struct(tsk);
return NULL;