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authorAndi Kleen <ak@suse.de>2005-10-30 02:15:49 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-30 05:40:35 +0100
commit662f3a0b94cc92bd708c27b80f8207cd7db93204 (patch)
treec7a42829efca15f7ccdcf510c80283f4c08e0343 /mm/mempolicy.c
parent[PATCH] Convert mempolicies to nodemask_t (diff)
downloadlinux-662f3a0b94cc92bd708c27b80f8207cd7db93204.tar.xz
linux-662f3a0b94cc92bd708c27b80f8207cd7db93204.zip
[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>
Diffstat (limited to 'mm/mempolicy.c')
-rw-r--r--mm/mempolicy.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 8bc0be1c9efd..43b1199af591 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -185,7 +185,6 @@ static struct zonelist *bind_zonelist(nodemask_t *nodes)
policy_zone = k;
}
}
- BUG_ON(num >= max);
zl->zones[num] = NULL;
return zl;
}
@@ -709,7 +708,6 @@ static unsigned interleave_nodes(struct mempolicy *policy)
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 @@ static unsigned offset_il_node(struct mempolicy *pol,
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 @@ alloc_page_vma(gfp_t gfp, struct vm_area_struct *vma, unsigned long addr)
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);