From: Christoph Hellwig <hch@lst.de>
It's defined in slab.c but not used anywhere.
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/include/linux/slab.h | 2 -
25-akpm/mm/slab.c | 69 -------------------------------------------
2 files changed, 71 deletions(-)
diff -puN include/linux/slab.h~remove-ptrinfo include/linux/slab.h
--- 25/include/linux/slab.h~remove-ptrinfo Wed Sep 1 14:51:44 2004
+++ 25-akpm/include/linux/slab.h Wed Sep 1 14:51:44 2004
@@ -117,8 +117,6 @@ extern kmem_cache_t *signal_cachep;
extern kmem_cache_t *sighand_cachep;
extern kmem_cache_t *bio_cachep;
-void ptrinfo(unsigned long addr);
-
extern atomic_t slab_reclaim_pages;
#endif /* __KERNEL__ */
diff -puN mm/slab.c~remove-ptrinfo mm/slab.c
--- 25/mm/slab.c~remove-ptrinfo Wed Sep 1 14:51:44 2004
+++ 25-akpm/mm/slab.c Wed Sep 1 14:51:44 2004
@@ -3025,72 +3025,3 @@ unsigned int ksize(const void *objp)
return size;
}
-
-void ptrinfo(unsigned long addr)
-{
- struct page *page;
-
- printk("Dumping data about address %p.\n", (void*)addr);
- if (!virt_addr_valid((void*)addr)) {
- printk("virt addr invalid.\n");
- return;
- }
-#ifdef CONFIG_MMU
- do {
- pgd_t *pgd = pgd_offset_k(addr);
- pmd_t *pmd;
- if (pgd_none(*pgd)) {
- printk("No pgd.\n");
- break;
- }
- pmd = pmd_offset(pgd, addr);
- if (pmd_none(*pmd)) {
- printk("No pmd.\n");
- break;
- }
-#ifdef CONFIG_X86
- if (pmd_large(*pmd)) {
- printk("Large page.\n");
- break;
- }
-#endif
- printk("normal page, pte_val 0x%llx\n",
- (unsigned long long)pte_val(*pte_offset_kernel(pmd, addr)));
- } while(0);
-#endif
-
- page = virt_to_page((void*)addr);
- printk("struct page at %p, flags %08lx\n",
- page, (unsigned long)page->flags);
- if (PageSlab(page)) {
- kmem_cache_t *c;
- struct slab *s;
- unsigned long flags;
- int objnr;
- void *objp;
-
- c = GET_PAGE_CACHE(page);
- printk("belongs to cache %s.\n",c->name);
-
- spin_lock_irqsave(&c->spinlock, flags);
- s = GET_PAGE_SLAB(page);
- printk("slabp %p with %d inuse objects (from %d).\n",
- s, s->inuse, c->num);
- check_slabp(c,s);
-
- objnr = (addr-(unsigned long)s->s_mem)/c->objsize;
- objp = s->s_mem+c->objsize*objnr;
- printk("points into object no %d, starting at %p, len %d.\n",
- objnr, objp, c->objsize);
- if (objnr >= c->num) {
- printk("Bad obj number.\n");
- } else {
- kernel_map_pages(virt_to_page(objp),
- c->objsize/PAGE_SIZE, 1);
-
- print_objinfo(c, objp, 2);
- }
- spin_unlock_irqrestore(&c->spinlock, flags);
-
- }
-}
_