diff options
author | akpm@linux-foundation.org <akpm@linux-foundation.org> | 2007-07-24 22:44:55 -0400 |
---|---|---|
committer | Tony Luck <tony.luck@intel.com> | 2007-07-25 15:56:39 -0400 |
commit | 3b74d18e54e20fc1d398eb391bea5b9aed22aca5 (patch) | |
tree | ab0c4f72ce87ea02978799c9e3fdc79c05bd1c9b /arch/ia64 | |
parent | a07ee86205808d36973440e68c7277f9ed63b87f (diff) |
[IA64] rename partial_page
Jens has added a partial_page thing in splice whcih conflicts with the ia64
one. Rename ia64 out of the way. (ia64 chose poorly).
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64')
-rw-r--r-- | arch/ia64/ia32/ia32_support.c | 8 | ||||
-rw-r--r-- | arch/ia64/ia32/ia32priv.h | 12 | ||||
-rw-r--r-- | arch/ia64/ia32/sys_ia32.c | 81 | ||||
-rw-r--r-- | arch/ia64/kernel/process.c | 7 |
4 files changed, 55 insertions, 53 deletions
diff --git a/arch/ia64/ia32/ia32_support.c b/arch/ia64/ia32/ia32_support.c index e13a1a1db4b5..d1d50cd1c38a 100644 --- a/arch/ia64/ia32/ia32_support.c +++ b/arch/ia64/ia32/ia32_support.c | |||
@@ -249,11 +249,11 @@ ia32_init (void) | |||
249 | 249 | ||
250 | #if PAGE_SHIFT > IA32_PAGE_SHIFT | 250 | #if PAGE_SHIFT > IA32_PAGE_SHIFT |
251 | { | 251 | { |
252 | extern struct kmem_cache *partial_page_cachep; | 252 | extern struct kmem_cache *ia64_partial_page_cachep; |
253 | 253 | ||
254 | partial_page_cachep = kmem_cache_create("partial_page_cache", | 254 | ia64_partial_page_cachep = kmem_cache_create("ia64_partial_page_cache", |
255 | sizeof(struct partial_page), | 255 | sizeof(struct ia64_partial_page), |
256 | 0, SLAB_PANIC, NULL); | 256 | 0, SLAB_PANIC, NULL); |
257 | } | 257 | } |
258 | #endif | 258 | #endif |
259 | return 0; | 259 | return 0; |
diff --git a/arch/ia64/ia32/ia32priv.h b/arch/ia64/ia32/ia32priv.h index cfa0bc0026b5..466bbcb138b2 100644 --- a/arch/ia64/ia32/ia32priv.h +++ b/arch/ia64/ia32/ia32priv.h | |||
@@ -25,8 +25,8 @@ | |||
25 | * partially mapped pages provide precise accounting of which 4k sub pages | 25 | * partially mapped pages provide precise accounting of which 4k sub pages |
26 | * are mapped and which ones are not, thereby improving IA-32 compatibility. | 26 | * are mapped and which ones are not, thereby improving IA-32 compatibility. |
27 | */ | 27 | */ |
28 | struct partial_page { | 28 | struct ia64_partial_page { |
29 | struct partial_page *next; /* linked list, sorted by address */ | 29 | struct ia64_partial_page *next; /* linked list, sorted by address */ |
30 | struct rb_node pp_rb; | 30 | struct rb_node pp_rb; |
31 | /* 64K is the largest "normal" page supported by ia64 ABI. So 4K*64 | 31 | /* 64K is the largest "normal" page supported by ia64 ABI. So 4K*64 |
32 | * should suffice.*/ | 32 | * should suffice.*/ |
@@ -34,17 +34,17 @@ struct partial_page { | |||
34 | unsigned int base; | 34 | unsigned int base; |
35 | }; | 35 | }; |
36 | 36 | ||
37 | struct partial_page_list { | 37 | struct ia64_partial_page_list { |
38 | struct partial_page *pp_head; /* list head, points to the lowest | 38 | struct ia64_partial_page *pp_head; /* list head, points to the lowest |
39 | * addressed partial page */ | 39 | * addressed partial page */ |
40 | struct rb_root ppl_rb; | 40 | struct rb_root ppl_rb; |
41 | struct partial_page *pp_hint; /* pp_hint->next is the last | 41 | struct ia64_partial_page *pp_hint; /* pp_hint->next is the last |
42 | * accessed partial page */ | 42 | * accessed partial page */ |
43 | atomic_t pp_count; /* reference count */ | 43 | atomic_t pp_count; /* reference count */ |
44 | }; | 44 | }; |
45 | 45 | ||
46 | #if PAGE_SHIFT > IA32_PAGE_SHIFT | 46 | #if PAGE_SHIFT > IA32_PAGE_SHIFT |
47 | struct partial_page_list* ia32_init_pp_list (void); | 47 | struct ia64_partial_page_list* ia32_init_pp_list (void); |
48 | #else | 48 | #else |
49 | # define ia32_init_pp_list() 0 | 49 | # define ia32_init_pp_list() 0 |
50 | #endif | 50 | #endif |
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c index 0afb4fe7c35b..af10462d44d4 100644 --- a/arch/ia64/ia32/sys_ia32.c +++ b/arch/ia64/ia32/sys_ia32.c | |||
@@ -253,17 +253,17 @@ mmap_subpage (struct file *file, unsigned long start, unsigned long end, int pro | |||
253 | return ret; | 253 | return ret; |
254 | } | 254 | } |
255 | 255 | ||
256 | /* SLAB cache for partial_page structures */ | 256 | /* SLAB cache for ia64_partial_page structures */ |
257 | struct kmem_cache *partial_page_cachep; | 257 | struct kmem_cache *ia64_partial_page_cachep; |
258 | 258 | ||
259 | /* | 259 | /* |
260 | * init partial_page_list. | 260 | * init ia64_partial_page_list. |
261 | * return 0 means kmalloc fail. | 261 | * return 0 means kmalloc fail. |
262 | */ | 262 | */ |
263 | struct partial_page_list* | 263 | struct ia64_partial_page_list* |
264 | ia32_init_pp_list(void) | 264 | ia32_init_pp_list(void) |
265 | { | 265 | { |
266 | struct partial_page_list *p; | 266 | struct ia64_partial_page_list *p; |
267 | 267 | ||
268 | if ((p = kmalloc(sizeof(*p), GFP_KERNEL)) == NULL) | 268 | if ((p = kmalloc(sizeof(*p), GFP_KERNEL)) == NULL) |
269 | return p; | 269 | return p; |
@@ -280,12 +280,12 @@ ia32_init_pp_list(void) | |||
280 | * Else, return 0 and provide @pprev, @rb_link, @rb_parent to | 280 | * Else, return 0 and provide @pprev, @rb_link, @rb_parent to |
281 | * be used by later __ia32_insert_pp(). | 281 | * be used by later __ia32_insert_pp(). |
282 | */ | 282 | */ |
283 | static struct partial_page * | 283 | static struct ia64_partial_page * |
284 | __ia32_find_pp(struct partial_page_list *ppl, unsigned int start, | 284 | __ia32_find_pp(struct ia64_partial_page_list *ppl, unsigned int start, |
285 | struct partial_page **pprev, struct rb_node ***rb_link, | 285 | struct ia64_partial_page **pprev, struct rb_node ***rb_link, |
286 | struct rb_node **rb_parent) | 286 | struct rb_node **rb_parent) |
287 | { | 287 | { |
288 | struct partial_page *pp; | 288 | struct ia64_partial_page *pp; |
289 | struct rb_node **__rb_link, *__rb_parent, *rb_prev; | 289 | struct rb_node **__rb_link, *__rb_parent, *rb_prev; |
290 | 290 | ||
291 | pp = ppl->pp_hint; | 291 | pp = ppl->pp_hint; |
@@ -297,7 +297,7 @@ __ia32_find_pp(struct partial_page_list *ppl, unsigned int start, | |||
297 | 297 | ||
298 | while (*__rb_link) { | 298 | while (*__rb_link) { |
299 | __rb_parent = *__rb_link; | 299 | __rb_parent = *__rb_link; |
300 | pp = rb_entry(__rb_parent, struct partial_page, pp_rb); | 300 | pp = rb_entry(__rb_parent, struct ia64_partial_page, pp_rb); |
301 | 301 | ||
302 | if (pp->base == start) { | 302 | if (pp->base == start) { |
303 | ppl->pp_hint = pp; | 303 | ppl->pp_hint = pp; |
@@ -314,7 +314,7 @@ __ia32_find_pp(struct partial_page_list *ppl, unsigned int start, | |||
314 | *rb_parent = __rb_parent; | 314 | *rb_parent = __rb_parent; |
315 | *pprev = NULL; | 315 | *pprev = NULL; |
316 | if (rb_prev) | 316 | if (rb_prev) |
317 | *pprev = rb_entry(rb_prev, struct partial_page, pp_rb); | 317 | *pprev = rb_entry(rb_prev, struct ia64_partial_page, pp_rb); |
318 | return NULL; | 318 | return NULL; |
319 | } | 319 | } |
320 | 320 | ||
@@ -322,9 +322,9 @@ __ia32_find_pp(struct partial_page_list *ppl, unsigned int start, | |||
322 | * insert @pp into @ppl. | 322 | * insert @pp into @ppl. |
323 | */ | 323 | */ |
324 | static void | 324 | static void |
325 | __ia32_insert_pp(struct partial_page_list *ppl, struct partial_page *pp, | 325 | __ia32_insert_pp(struct ia64_partial_page_list *ppl, |
326 | struct partial_page *prev, struct rb_node **rb_link, | 326 | struct ia64_partial_page *pp, struct ia64_partial_page *prev, |
327 | struct rb_node *rb_parent) | 327 | struct rb_node **rb_link, struct rb_node *rb_parent) |
328 | { | 328 | { |
329 | /* link list */ | 329 | /* link list */ |
330 | if (prev) { | 330 | if (prev) { |
@@ -334,7 +334,7 @@ __ia32_insert_pp(struct partial_page_list *ppl, struct partial_page *pp, | |||
334 | ppl->pp_head = pp; | 334 | ppl->pp_head = pp; |
335 | if (rb_parent) | 335 | if (rb_parent) |
336 | pp->next = rb_entry(rb_parent, | 336 | pp->next = rb_entry(rb_parent, |
337 | struct partial_page, pp_rb); | 337 | struct ia64_partial_page, pp_rb); |
338 | else | 338 | else |
339 | pp->next = NULL; | 339 | pp->next = NULL; |
340 | } | 340 | } |
@@ -350,8 +350,8 @@ __ia32_insert_pp(struct partial_page_list *ppl, struct partial_page *pp, | |||
350 | * delete @pp from partial page list @ppl. | 350 | * delete @pp from partial page list @ppl. |
351 | */ | 351 | */ |
352 | static void | 352 | static void |
353 | __ia32_delete_pp(struct partial_page_list *ppl, struct partial_page *pp, | 353 | __ia32_delete_pp(struct ia64_partial_page_list *ppl, |
354 | struct partial_page *prev) | 354 | struct ia64_partial_page *pp, struct ia64_partial_page *prev) |
355 | { | 355 | { |
356 | if (prev) { | 356 | if (prev) { |
357 | prev->next = pp->next; | 357 | prev->next = pp->next; |
@@ -363,15 +363,15 @@ __ia32_delete_pp(struct partial_page_list *ppl, struct partial_page *pp, | |||
363 | ppl->pp_hint = pp->next; | 363 | ppl->pp_hint = pp->next; |
364 | } | 364 | } |
365 | rb_erase(&pp->pp_rb, &ppl->ppl_rb); | 365 | rb_erase(&pp->pp_rb, &ppl->ppl_rb); |
366 | kmem_cache_free(partial_page_cachep, pp); | 366 | kmem_cache_free(ia64_partial_page_cachep, pp); |
367 | } | 367 | } |
368 | 368 | ||
369 | static struct partial_page * | 369 | static struct ia64_partial_page * |
370 | __pp_prev(struct partial_page *pp) | 370 | __pp_prev(struct ia64_partial_page *pp) |
371 | { | 371 | { |
372 | struct rb_node *prev = rb_prev(&pp->pp_rb); | 372 | struct rb_node *prev = rb_prev(&pp->pp_rb); |
373 | if (prev) | 373 | if (prev) |
374 | return rb_entry(prev, struct partial_page, pp_rb); | 374 | return rb_entry(prev, struct ia64_partial_page, pp_rb); |
375 | else | 375 | else |
376 | return NULL; | 376 | return NULL; |
377 | } | 377 | } |
@@ -383,7 +383,7 @@ __pp_prev(struct partial_page *pp) | |||
383 | static void | 383 | static void |
384 | __ia32_delete_pp_range(unsigned int start, unsigned int end) | 384 | __ia32_delete_pp_range(unsigned int start, unsigned int end) |
385 | { | 385 | { |
386 | struct partial_page *pp, *prev; | 386 | struct ia64_partial_page *pp, *prev; |
387 | struct rb_node **rb_link, *rb_parent; | 387 | struct rb_node **rb_link, *rb_parent; |
388 | 388 | ||
389 | if (start >= end) | 389 | if (start >= end) |
@@ -401,7 +401,7 @@ __ia32_delete_pp_range(unsigned int start, unsigned int end) | |||
401 | } | 401 | } |
402 | 402 | ||
403 | while (pp && pp->base < end) { | 403 | while (pp && pp->base < end) { |
404 | struct partial_page *tmp = pp->next; | 404 | struct ia64_partial_page *tmp = pp->next; |
405 | __ia32_delete_pp(current->thread.ppl, pp, prev); | 405 | __ia32_delete_pp(current->thread.ppl, pp, prev); |
406 | pp = tmp; | 406 | pp = tmp; |
407 | } | 407 | } |
@@ -414,7 +414,7 @@ __ia32_delete_pp_range(unsigned int start, unsigned int end) | |||
414 | static int | 414 | static int |
415 | __ia32_set_pp(unsigned int start, unsigned int end, int flags) | 415 | __ia32_set_pp(unsigned int start, unsigned int end, int flags) |
416 | { | 416 | { |
417 | struct partial_page *pp, *prev; | 417 | struct ia64_partial_page *pp, *prev; |
418 | struct rb_node ** rb_link, *rb_parent; | 418 | struct rb_node ** rb_link, *rb_parent; |
419 | unsigned int pstart, start_bit, end_bit, i; | 419 | unsigned int pstart, start_bit, end_bit, i; |
420 | 420 | ||
@@ -450,8 +450,8 @@ __ia32_set_pp(unsigned int start, unsigned int end, int flags) | |||
450 | return 0; | 450 | return 0; |
451 | } | 451 | } |
452 | 452 | ||
453 | /* new a partial_page */ | 453 | /* new a ia64_partial_page */ |
454 | pp = kmem_cache_alloc(partial_page_cachep, GFP_KERNEL); | 454 | pp = kmem_cache_alloc(ia64_partial_page_cachep, GFP_KERNEL); |
455 | if (!pp) | 455 | if (!pp) |
456 | return -ENOMEM; | 456 | return -ENOMEM; |
457 | pp->base = pstart; | 457 | pp->base = pstart; |
@@ -504,7 +504,7 @@ ia32_set_pp(unsigned int start, unsigned int end, int flags) | |||
504 | static int | 504 | static int |
505 | __ia32_unset_pp(unsigned int start, unsigned int end) | 505 | __ia32_unset_pp(unsigned int start, unsigned int end) |
506 | { | 506 | { |
507 | struct partial_page *pp, *prev; | 507 | struct ia64_partial_page *pp, *prev; |
508 | struct rb_node ** rb_link, *rb_parent; | 508 | struct rb_node ** rb_link, *rb_parent; |
509 | unsigned int pstart, start_bit, end_bit, i; | 509 | unsigned int pstart, start_bit, end_bit, i; |
510 | struct vm_area_struct *vma; | 510 | struct vm_area_struct *vma; |
@@ -532,8 +532,8 @@ __ia32_unset_pp(unsigned int start, unsigned int end) | |||
532 | return -ENOMEM; | 532 | return -ENOMEM; |
533 | } | 533 | } |
534 | 534 | ||
535 | /* new a partial_page */ | 535 | /* new a ia64_partial_page */ |
536 | pp = kmem_cache_alloc(partial_page_cachep, GFP_KERNEL); | 536 | pp = kmem_cache_alloc(ia64_partial_page_cachep, GFP_KERNEL); |
537 | if (!pp) | 537 | if (!pp) |
538 | return -ENOMEM; | 538 | return -ENOMEM; |
539 | pp->base = pstart; | 539 | pp->base = pstart; |
@@ -605,7 +605,7 @@ ia32_unset_pp(unsigned int *startp, unsigned int *endp) | |||
605 | static int | 605 | static int |
606 | __ia32_compare_pp(unsigned int start, unsigned int end) | 606 | __ia32_compare_pp(unsigned int start, unsigned int end) |
607 | { | 607 | { |
608 | struct partial_page *pp, *prev; | 608 | struct ia64_partial_page *pp, *prev; |
609 | struct rb_node ** rb_link, *rb_parent; | 609 | struct rb_node ** rb_link, *rb_parent; |
610 | unsigned int pstart, start_bit, end_bit, size; | 610 | unsigned int pstart, start_bit, end_bit, size; |
611 | unsigned int first_bit, next_zero_bit; /* the first range in bitmap */ | 611 | unsigned int first_bit, next_zero_bit; /* the first range in bitmap */ |
@@ -682,13 +682,13 @@ ia32_compare_pp(unsigned int *startp, unsigned int *endp) | |||
682 | } | 682 | } |
683 | 683 | ||
684 | static void | 684 | static void |
685 | __ia32_drop_pp_list(struct partial_page_list *ppl) | 685 | __ia32_drop_pp_list(struct ia64_partial_page_list *ppl) |
686 | { | 686 | { |
687 | struct partial_page *pp = ppl->pp_head; | 687 | struct ia64_partial_page *pp = ppl->pp_head; |
688 | 688 | ||
689 | while (pp) { | 689 | while (pp) { |
690 | struct partial_page *next = pp->next; | 690 | struct ia64_partial_page *next = pp->next; |
691 | kmem_cache_free(partial_page_cachep, pp); | 691 | kmem_cache_free(ia64_partial_page_cachep, pp); |
692 | pp = next; | 692 | pp = next; |
693 | } | 693 | } |
694 | 694 | ||
@@ -696,9 +696,9 @@ __ia32_drop_pp_list(struct partial_page_list *ppl) | |||
696 | } | 696 | } |
697 | 697 | ||
698 | void | 698 | void |
699 | ia32_drop_partial_page_list(struct task_struct *task) | 699 | ia32_drop_ia64_partial_page_list(struct task_struct *task) |
700 | { | 700 | { |
701 | struct partial_page_list* ppl = task->thread.ppl; | 701 | struct ia64_partial_page_list* ppl = task->thread.ppl; |
702 | 702 | ||
703 | if (ppl && atomic_dec_and_test(&ppl->pp_count)) | 703 | if (ppl && atomic_dec_and_test(&ppl->pp_count)) |
704 | __ia32_drop_pp_list(ppl); | 704 | __ia32_drop_pp_list(ppl); |
@@ -708,9 +708,9 @@ ia32_drop_partial_page_list(struct task_struct *task) | |||
708 | * Copy current->thread.ppl to ppl (already initialized). | 708 | * Copy current->thread.ppl to ppl (already initialized). |
709 | */ | 709 | */ |
710 | static int | 710 | static int |
711 | __ia32_copy_pp_list(struct partial_page_list *ppl) | 711 | __ia32_copy_pp_list(struct ia64_partial_page_list *ppl) |
712 | { | 712 | { |
713 | struct partial_page *pp, *tmp, *prev; | 713 | struct ia64_partial_page *pp, *tmp, *prev; |
714 | struct rb_node **rb_link, *rb_parent; | 714 | struct rb_node **rb_link, *rb_parent; |
715 | 715 | ||
716 | ppl->pp_head = NULL; | 716 | ppl->pp_head = NULL; |
@@ -721,7 +721,7 @@ __ia32_copy_pp_list(struct partial_page_list *ppl) | |||
721 | prev = NULL; | 721 | prev = NULL; |
722 | 722 | ||
723 | for (pp = current->thread.ppl->pp_head; pp; pp = pp->next) { | 723 | for (pp = current->thread.ppl->pp_head; pp; pp = pp->next) { |
724 | tmp = kmem_cache_alloc(partial_page_cachep, GFP_KERNEL); | 724 | tmp = kmem_cache_alloc(ia64_partial_page_cachep, GFP_KERNEL); |
725 | if (!tmp) | 725 | if (!tmp) |
726 | return -ENOMEM; | 726 | return -ENOMEM; |
727 | *tmp = *pp; | 727 | *tmp = *pp; |
@@ -734,7 +734,8 @@ __ia32_copy_pp_list(struct partial_page_list *ppl) | |||
734 | } | 734 | } |
735 | 735 | ||
736 | int | 736 | int |
737 | ia32_copy_partial_page_list(struct task_struct *p, unsigned long clone_flags) | 737 | ia32_copy_ia64_partial_page_list(struct task_struct *p, |
738 | unsigned long clone_flags) | ||
738 | { | 739 | { |
739 | int retval = 0; | 740 | int retval = 0; |
740 | 741 | ||
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index fa40cba43350..4158906c45aa 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c | |||
@@ -499,7 +499,8 @@ copy_thread (int nr, unsigned long clone_flags, | |||
499 | 499 | ||
500 | /* Copy partially mapped page list */ | 500 | /* Copy partially mapped page list */ |
501 | if (!retval) | 501 | if (!retval) |
502 | retval = ia32_copy_partial_page_list(p, clone_flags); | 502 | retval = ia32_copy_ia64_partial_page_list(p, |
503 | clone_flags); | ||
503 | } | 504 | } |
504 | #endif | 505 | #endif |
505 | 506 | ||
@@ -728,7 +729,7 @@ flush_thread (void) | |||
728 | ia64_drop_fpu(current); | 729 | ia64_drop_fpu(current); |
729 | #ifdef CONFIG_IA32_SUPPORT | 730 | #ifdef CONFIG_IA32_SUPPORT |
730 | if (IS_IA32_PROCESS(task_pt_regs(current))) { | 731 | if (IS_IA32_PROCESS(task_pt_regs(current))) { |
731 | ia32_drop_partial_page_list(current); | 732 | ia32_drop_ia64_partial_page_list(current); |
732 | current->thread.task_size = IA32_PAGE_OFFSET; | 733 | current->thread.task_size = IA32_PAGE_OFFSET; |
733 | set_fs(USER_DS); | 734 | set_fs(USER_DS); |
734 | } | 735 | } |
@@ -754,7 +755,7 @@ exit_thread (void) | |||
754 | pfm_release_debug_registers(current); | 755 | pfm_release_debug_registers(current); |
755 | #endif | 756 | #endif |
756 | if (IS_IA32_PROCESS(task_pt_regs(current))) | 757 | if (IS_IA32_PROCESS(task_pt_regs(current))) |
757 | ia32_drop_partial_page_list(current); | 758 | ia32_drop_ia64_partial_page_list(current); |
758 | } | 759 | } |
759 | 760 | ||
760 | unsigned long | 761 | unsigned long |