diff options
| author | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2009-01-06 14:39:16 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 15:59:00 -0800 |
| commit | 64cdd548ffe26849d4cd113ac640f60606063b14 (patch) | |
| tree | 9a7a8af9022621d2da3648757b724fcd32b20168 /mm | |
| parent | 1b0bd118862cd9fe9ac2872137a1b8107e83ff9d (diff) | |
mm: cleanup: remove #ifdef CONFIG_MIGRATION
#ifdef in *.c file decrease source readability a bit. removing is better.
This patch doesn't have any functional change.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/mprotect.c | 6 | ||||
| -rw-r--r-- | mm/rmap.c | 10 |
2 files changed, 5 insertions, 11 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index cfb4c485206..d0f6e7ce09f 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -22,6 +22,7 @@ #include <linux/swap.h> #include <linux/swapops.h> #include <linux/mmu_notifier.h> +#include <linux/migrate.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include <asm/cacheflush.h> @@ -59,8 +60,7 @@ static void change_pte_range(struct mm_struct *mm, pmd_t *pmd, ptent = pte_mkwrite(ptent); ptep_modify_prot_commit(mm, addr, pte, ptent); -#ifdef CONFIG_MIGRATION - } else if (!pte_file(oldpte)) { + } else if (PAGE_MIGRATION && !pte_file(oldpte)) { swp_entry_t entry = pte_to_swp_entry(oldpte); if (is_write_migration_entry(entry)) { @@ -72,9 +72,7 @@ static void change_pte_range(struct mm_struct *mm, pmd_t *pmd, set_pte_at(mm, addr, pte, swp_entry_to_pte(entry)); } -#endif } - } while (pte++, addr += PAGE_SIZE, addr != end); arch_leave_lazy_mmu_mode(); pte_unmap_unlock(pte - 1, ptl); diff --git a/mm/rmap.c b/mm/rmap.c index 10993942d6c..53c56dacd72 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -50,6 +50,7 @@ #include <linux/kallsyms.h> #include <linux/memcontrol.h> #include <linux/mmu_notifier.h> +#include <linux/migrate.h> #include <asm/tlbflush.h> @@ -818,8 +819,7 @@ static int try_to_unmap_one(struct page *page, struct vm_area_struct *vma, spin_unlock(&mmlist_lock); } dec_mm_counter(mm, anon_rss); -#ifdef CONFIG_MIGRATION - } else { + } else if (PAGE_MIGRATION) { /* * Store the pfn of the page in a special migration * pte. do_swap_page() will wait until the migration @@ -827,19 +827,15 @@ static int try_to_unmap_one(struct page *page, struct vm_area_struct *vma, */ BUG_ON(!migration); entry = make_migration_entry(page, pte_write(pteval)); -#endif } set_pte_at(mm, address, pte, swp_entry_to_pte(entry)); BUG_ON(pte_file(*pte)); - } else -#ifdef CONFIG_MIGRATION - if (migration) { + } else if (PAGE_MIGRATION && migration) { /* Establish migration entry for a file page */ swp_entry_t entry; entry = make_migration_entry(page, pte_write(pteval)); set_pte_at(mm, address, pte, swp_entry_to_pte(entry)); } else -#endif dec_mm_counter(mm, file_rss); |