diff options
author | Tony Lindgren <tony@atomide.com> | 2010-03-01 14:19:05 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2010-03-01 14:19:05 -0800 |
commit | d702d12167a2c05a346f49aac7a311d597762495 (patch) | |
tree | baae42c299cce34d6df24b5d01f8b1d0b481bd9a /mm/migrate.c | |
parent | 9418c65f9bd861d0f7e39aab9cfb3aa6f2275d11 (diff) | |
parent | ac0f6f927db539e03e1f3f61bcd4ed57d5cde7a9 (diff) |
Merge with mainline to remove plat-omap/Kconfig conflict
Conflicts:
arch/arm/plat-omap/Kconfig
Diffstat (limited to 'mm/migrate.c')
-rw-r--r-- | mm/migrate.c | 38 |
1 files changed, 16 insertions, 22 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index 9a0db5bbabe4..edb6101ed774 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -134,7 +134,7 @@ static int remove_migration_pte(struct page *new, struct vm_area_struct *vma, page_add_file_rmap(new); /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, addr, pte); + update_mmu_cache(vma, addr, ptep); unlock: pte_unmap_unlock(ptep, ptl); out: @@ -1002,33 +1002,27 @@ static int do_pages_stat(struct mm_struct *mm, unsigned long nr_pages, #define DO_PAGES_STAT_CHUNK_NR 16 const void __user *chunk_pages[DO_PAGES_STAT_CHUNK_NR]; int chunk_status[DO_PAGES_STAT_CHUNK_NR]; - unsigned long i, chunk_nr = DO_PAGES_STAT_CHUNK_NR; - int err; - for (i = 0; i < nr_pages; i += chunk_nr) { - if (chunk_nr > nr_pages - i) - chunk_nr = nr_pages - i; + while (nr_pages) { + unsigned long chunk_nr; - err = copy_from_user(chunk_pages, &pages[i], - chunk_nr * sizeof(*chunk_pages)); - if (err) { - err = -EFAULT; - goto out; - } + chunk_nr = nr_pages; + if (chunk_nr > DO_PAGES_STAT_CHUNK_NR) + chunk_nr = DO_PAGES_STAT_CHUNK_NR; + + if (copy_from_user(chunk_pages, pages, chunk_nr * sizeof(*chunk_pages))) + break; do_pages_stat_array(mm, chunk_nr, chunk_pages, chunk_status); - err = copy_to_user(&status[i], chunk_status, - chunk_nr * sizeof(*chunk_status)); - if (err) { - err = -EFAULT; - goto out; - } - } - err = 0; + if (copy_to_user(status, chunk_status, chunk_nr * sizeof(*status))) + break; -out: - return err; + pages += chunk_nr; + status += chunk_nr; + nr_pages -= chunk_nr; + } + return nr_pages ? -EFAULT : 0; } /* |