patch-2.6.6-vs1.9.0

[linux-2.6.git] / mm / fremap.c

diff --git a/mm/fremap.c b/mm/fremap.c
index 2c8abe6..1b891a1 100644 (file)
--- a/mm/fremap.c
+++ b/mm/fremap.c
@@ -38,7 +38,8 @@ static inline void zap_pte(struct mm_struct *mm, struct vm_area_struct *vma,
                                        set_page_dirty(page);
                                page_remove_rmap(page, ptep);
                                page_cache_release(page);
-                               mm->rss--;
+                               // mm->rss--;
+                               vx_rsspages_dec(mm);
                        }
                }
        } else {
@@ -68,6 +69,9 @@ int install_page(struct mm_struct *mm, struct vm_area_struct *vma,
        pgd = pgd_offset(mm, addr);
        spin_lock(&mm->page_table_lock);
 
+       if (!vx_rsspages_avail(mm, 1))
+               goto err_unlock;
+
        pmd = pmd_alloc(mm, pgd, addr);
        if (!pmd)
                goto err_unlock;
@@ -78,7 +82,8 @@ int install_page(struct mm_struct *mm, struct vm_area_struct *vma,
 
        zap_pte(mm, vma, addr, pte);
 
-       mm->rss++;
+       // mm->rss++;
+       vx_rsspages_inc(mm);
        flush_icache_page(vma, page);
        set_pte(pte, mk_pte(page, prot));
        pte_chain = page_add_rmap(page, pte, pte_chain);