X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fia64%2Fmm%2Finit.c;h=b0a67b60e01edff7a6d5049522f7a31b7d4a559c;hb=90ad8654ffeb336af8c878fdf7bc72e2ac72467a;hp=90fecb3a4173ab3f484c18680a525f5455d6d0b6;hpb=a91482bdcc2e0f6035702e46f1b99043a0893346;p=linux-2.6.git

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 90fecb3a4..b0a67b60e 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -63,7 +63,6 @@ check_pgt_cache (void)
 	low = pgt_cache_water[0];
 	high = pgt_cache_water[1];
 
-	preempt_disable();
 	if (pgtable_cache_size > (u64) high) {
 		do {
 			if (pgd_quicklist)
@@ -72,7 +71,6 @@ check_pgt_cache (void)
 				free_page((unsigned long)pmd_alloc_one_fast(0, 0));
 		} while (pgtable_cache_size > (u64) low);
 	}
-	preempt_enable();
 }
 
 void
@@ -130,7 +128,7 @@ ia64_init_addr_space (void)
 		vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
 		vma->vm_end = vma->vm_start + PAGE_SIZE;
 		vma->vm_page_prot = protection_map[VM_DATA_DEFAULT_FLAGS & 0x7];
-		vma->vm_flags = VM_DATA_DEFAULT_FLAGS | VM_GROWSUP;
+		vma->vm_flags = VM_READ|VM_WRITE|VM_MAYREAD|VM_MAYWRITE|VM_GROWSUP;
 		insert_vm_struct(current->mm, vma);
 	}
 
@@ -171,7 +169,7 @@ free_initrd_mem (unsigned long start, unsigned long end)
 {
 	struct page *page;
 	/*
-	 * EFI uses 4KB pages while the kernel can use 4KB or bigger.
+	 * EFI uses 4KB pages while the kernel can use 4KB  or bigger.
 	 * Thus EFI and the kernel may have different page sizes. It is
 	 * therefore possible to have the initrd share the same page as
 	 * the end of the kernel (given current setup).
@@ -589,7 +587,7 @@ mem_init (void)
 		if (!fsyscall_table[i] || nolwsys)
 			fsyscall_table[i] = sys_call_table[i] | 1;
 	}
-	setup_gate();
+	setup_gate();	/* setup gate pages before we free up boot memory... */
 
 #ifdef CONFIG_IA32_SUPPORT
 	ia32_boot_gdt_init();