[PATCH] Remove near all BUGs in mm/mempolicy.c
Most of them can never be triggered and were only for development.
Signed-off-by: "Andi Kleen" <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 8bc0be1..43b1199 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -185,7 +185,6 @@
policy_zone = k;
}
}
- BUG_ON(num >= max);
zl->zones[num] = NULL;
return zl;
}
@@ -709,7 +708,6 @@
struct task_struct *me = current;
nid = me->il_next;
- BUG_ON(nid >= MAX_NUMNODES);
next = next_node(nid, policy->v.nodes);
if (next >= MAX_NUMNODES)
next = first_node(policy->v.nodes);
@@ -731,18 +729,17 @@
nid = next_node(nid, pol->v.nodes);
c++;
} while (c <= target);
- BUG_ON(nid >= MAX_NUMNODES);
return nid;
}
/* Allocate a page in interleaved policy.
Own path because it needs to do special accounting. */
-static struct page *alloc_page_interleave(gfp_t gfp, unsigned order, unsigned nid)
+static struct page *alloc_page_interleave(gfp_t gfp, unsigned order,
+ unsigned nid)
{
struct zonelist *zl;
struct page *page;
- BUG_ON(!node_online(nid));
zl = NODE_DATA(nid)->node_zonelists + gfp_zone(gfp);
page = __alloc_pages(gfp, order, zl);
if (page && page_zone(page) == zl->zones[0]) {
@@ -785,8 +782,6 @@
unsigned nid;
if (vma) {
unsigned long off;
- BUG_ON(addr >= vma->vm_end);
- BUG_ON(addr < vma->vm_start);
off = vma->vm_pgoff;
off += (addr - vma->vm_start) >> PAGE_SHIFT;
nid = offset_il_node(pol, vma, off);