[PATCH] mm: init_mm without ptlock

[linux-2.6-omap-h63xx.git] / arch / alpha / mm / remap.c

diff --git a/arch/alpha/mm/remap.c b/arch/alpha/mm/remap.c
index 19817ad3d89b5392cbadaae9c05126fbd8ca279f..a78356c3ead5fc2a122d79ec01b5f3e72aeaaff3 100644 (file)
--- a/arch/alpha/mm/remap.c
+++ b/arch/alpha/mm/remap.c
@@ -2,7 +2,6 @@
 #include <asm/pgalloc.h>
 #include <asm/cacheflush.h>
 
-/* called with the page_table_lock held */
 static inline void 
 remap_area_pte(pte_t * pte, unsigned long address, unsigned long size, 
               unsigned long phys_addr, unsigned long flags)
@@ -31,7 +30,6 @@ remap_area_pte(pte_t * pte, unsigned long address, unsigned long size,
        } while (address && (address < end));
 }
 
-/* called with the page_table_lock held */
 static inline int 
 remap_area_pmd(pmd_t * pmd, unsigned long address, unsigned long size, 
               unsigned long phys_addr, unsigned long flags)
@@ -46,7 +44,7 @@ remap_area_pmd(pmd_t * pmd, unsigned long address, unsigned long size,
        if (address >= end)
                BUG();
        do {
-               pte_t * pte = pte_alloc_kernel(&init_mm, pmd, address);
+               pte_t * pte = pte_alloc_kernel(pmd, address);
                if (!pte)
                        return -ENOMEM;
                remap_area_pte(pte, address, end - address, 
@@ -70,7 +68,6 @@ __alpha_remap_area_pages(unsigned long address, unsigned long phys_addr,
        flush_cache_all();
        if (address >= end)
                BUG();
-       spin_lock(&init_mm.page_table_lock);
        do {
                pmd_t *pmd;
                pmd = pmd_alloc(&init_mm, dir, address);
@@ -84,7 +81,6 @@ __alpha_remap_area_pages(unsigned long address, unsigned long phys_addr,
                address = (address + PGDIR_SIZE) & PGDIR_MASK;
                dir++;
        } while (address && (address < end));
-       spin_unlock(&init_mm.page_table_lock);
        return error;
 }