X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=mm%2Fmmu_gather.c;h=0dc7149b0c6153776320a7e9a0e7357ca18bfa95;hb=d6560052c2f73db59834e9a3c0aba20579aa7059;hp=b0be5a7aa08f6d054c5f69bd4af4e95955d2192b;hpb=ae8eba8b5d723a4ca543024b6e51f4d0f4fb6b6b;p=linux-2.6-microblaze.git

diff --git a/mm/mmu_gather.c b/mm/mmu_gather.c
index b0be5a7aa08f..0dc7149b0c61 100644
--- a/mm/mmu_gather.c
+++ b/mm/mmu_gather.c
@@ -253,21 +253,17 @@ void tlb_flush_mmu(struct mmu_gather *tlb)
  * tlb_gather_mmu - initialize an mmu_gather structure for page-table tear-down
  * @tlb: the mmu_gather structure to initialize
  * @mm: the mm_struct of the target address space
- * @start: start of the region that will be removed from the page-table
- * @end: end of the region that will be removed from the page-table
+ * @fullmm: @mm is without users and we're going to destroy the full address
+ *	    space (exit/execve)
  *
  * Called to initialize an (on-stack) mmu_gather structure for page-table
- * tear-down from @mm. The @start and @end are set to 0 and -1
- * respectively when @mm is without users and we're going to destroy
- * the full address space (exit/execve).
+ * tear-down from @mm.
  */
-void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
-			unsigned long start, unsigned long end)
+static void __tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
+			     bool fullmm)
 {
 	tlb->mm = mm;
-
-	/* Is it from 0 to ~0? */
-	tlb->fullmm     = !(start | (end+1));
+	tlb->fullmm = fullmm;
 
 #ifndef CONFIG_MMU_GATHER_NO_GATHER
 	tlb->need_flush_all = 0;
@@ -287,6 +283,16 @@ void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
 	inc_tlb_flush_pending(tlb->mm);
 }
 
+void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm)
+{
+	__tlb_gather_mmu(tlb, mm, false);
+}
+
+void tlb_gather_mmu_fullmm(struct mmu_gather *tlb, struct mm_struct *mm)
+{
+	__tlb_gather_mmu(tlb, mm, true);
+}
+
 /**
  * tlb_finish_mmu - finish an mmu_gather structure
  * @tlb: the mmu_gather structure to finish