mirror of https://gitee.com/openkylin/linux.git
SLUB: fix checkpatch warnings
fix checkpatch --file mm/slub.c errors and warnings. $ q-code-quality-compare errors lines of code errors/KLOC mm/slub.c [before] 22 4204 5.2 mm/slub.c [after] 0 4210 0 no code changed: text data bss dec hex filename 22195 8634 136 30965 78f5 slub.o.before 22195 8634 136 30965 78f5 slub.o.after md5: 93cdfbec2d6450622163c590e1064358 slub.o.before.asm 93cdfbec2d6450622163c590e1064358 slub.o.after.asm [clameter: rediffed against Pekka's cleanup patch, omitted moves of the name of a function to the start of line] Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Christoph Lameter <clameter@sgi.com>
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parent
a76d354629
commit
3adbefee6f
37
mm/slub.c
37
mm/slub.c
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@ -719,9 +719,10 @@ static int check_object(struct kmem_cache *s, struct page *page,
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endobject, red, s->inuse - s->objsize))
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return 0;
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} else {
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if ((s->flags & SLAB_POISON) && s->objsize < s->inuse)
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check_bytes_and_report(s, page, p, "Alignment padding", endobject,
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POISON_INUSE, s->inuse - s->objsize);
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if ((s->flags & SLAB_POISON) && s->objsize < s->inuse) {
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check_bytes_and_report(s, page, p, "Alignment padding",
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endobject, POISON_INUSE, s->inuse - s->objsize);
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}
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}
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if (s->flags & SLAB_POISON) {
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@ -928,11 +929,10 @@ static int free_debug_processing(struct kmem_cache *s, struct page *page,
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return 0;
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if (unlikely(s != page->slab)) {
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if (!PageSlab(page))
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if (!PageSlab(page)) {
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slab_err(s, page, "Attempt to free object(0x%p) "
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"outside of slab", object);
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else
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if (!page->slab) {
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} else if (!page->slab) {
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printk(KERN_ERR
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"SLUB <none>: no slab for object 0x%p.\n",
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object);
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@ -1041,7 +1041,7 @@ static unsigned long kmem_cache_flags(unsigned long objsize,
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*/
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if (slub_debug && (!slub_debug_slabs ||
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strncmp(slub_debug_slabs, name,
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strlen(slub_debug_slabs)) == 0))
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strlen(slub_debug_slabs)) == 0))
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flags |= slub_debug;
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}
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@ -1330,8 +1330,8 @@ static struct page *get_any_partial(struct kmem_cache *s, gfp_t flags)
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get_cycles() % 1024 > s->remote_node_defrag_ratio)
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return NULL;
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zonelist = &NODE_DATA(slab_node(current->mempolicy))
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->node_zonelists[gfp_zone(flags)];
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zonelist = &NODE_DATA(
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slab_node(current->mempolicy))->node_zonelists[gfp_zone(flags)];
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for (z = zonelist->zones; *z; z++) {
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struct kmem_cache_node *n;
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@ -2589,7 +2589,8 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags)
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goto unlock_out;
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realsize = kmalloc_caches[index].objsize;
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text = kasprintf(flags & ~SLUB_DMA, "kmalloc_dma-%d", (unsigned int)realsize),
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text = kasprintf(flags & ~SLUB_DMA, "kmalloc_dma-%d",
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(unsigned int)realsize);
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s = kmalloc(kmem_size, flags & ~SLUB_DMA);
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if (!s || !text || !kmem_cache_open(s, flags, text,
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@ -3040,7 +3041,8 @@ void __init kmem_cache_init(void)
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#endif
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printk(KERN_INFO "SLUB: Genslabs=%d, HWalign=%d, Order=%d-%d, MinObjects=%d,"
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printk(KERN_INFO
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"SLUB: Genslabs=%d, HWalign=%d, Order=%d-%d, MinObjects=%d,"
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" CPUs=%d, Nodes=%d\n",
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caches, cache_line_size(),
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slub_min_order, slub_max_order, slub_min_objects,
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@ -3207,7 +3209,7 @@ static int __cpuinit slab_cpuup_callback(struct notifier_block *nfb,
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}
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static struct notifier_block __cpuinitdata slab_notifier = {
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&slab_cpuup_callback, NULL, 0
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.notifier_call = slab_cpuup_callback
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};
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#endif
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@ -3365,8 +3367,9 @@ static void resiliency_test(void)
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p = kzalloc(32, GFP_KERNEL);
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p[32 + sizeof(void *)] = 0x34;
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printk(KERN_ERR "\n2. kmalloc-32: Clobber next pointer/next slab"
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" 0x34 -> -0x%p\n", p);
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printk(KERN_ERR "If allocated object is overwritten then not detectable\n\n");
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" 0x34 -> -0x%p\n", p);
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printk(KERN_ERR
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"If allocated object is overwritten then not detectable\n\n");
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validate_slab_cache(kmalloc_caches + 5);
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p = kzalloc(64, GFP_KERNEL);
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@ -3374,7 +3377,8 @@ static void resiliency_test(void)
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*p = 0x56;
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printk(KERN_ERR "\n3. kmalloc-64: corrupting random byte 0x56->0x%p\n",
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p);
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printk(KERN_ERR "If allocated object is overwritten then not detectable\n\n");
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printk(KERN_ERR
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"If allocated object is overwritten then not detectable\n\n");
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validate_slab_cache(kmalloc_caches + 6);
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printk(KERN_ERR "\nB. Corruption after free\n");
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@ -3387,7 +3391,8 @@ static void resiliency_test(void)
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p = kzalloc(256, GFP_KERNEL);
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kfree(p);
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p[50] = 0x9a;
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printk(KERN_ERR "\n2. kmalloc-256: Clobber 50th byte 0x9a->0x%p\n\n", p);
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printk(KERN_ERR "\n2. kmalloc-256: Clobber 50th byte 0x9a->0x%p\n\n",
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p);
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validate_slab_cache(kmalloc_caches + 8);
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p = kzalloc(512, GFP_KERNEL);
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