diff options
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/mm/slab.c b/mm/slab.c index 84074264115..c9e706db463 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -92,6 +92,7 @@ #include <linux/sysctl.h> #include <linux/module.h> #include <linux/rcupdate.h> +#include <linux/string.h> #include <asm/uaccess.h> #include <asm/cacheflush.h> @@ -583,7 +584,8 @@ static inline struct array_cache *ac_data(kmem_cache_t *cachep) return cachep->array[smp_processor_id()]; } -static inline kmem_cache_t *__find_general_cachep(size_t size, int gfpflags) +static inline kmem_cache_t *__find_general_cachep(size_t size, + unsigned int __nocast gfpflags) { struct cache_sizes *csizep = malloc_sizes; @@ -607,7 +609,8 @@ static inline kmem_cache_t *__find_general_cachep(size_t size, int gfpflags) return csizep->cs_cachep; } -kmem_cache_t *kmem_find_general_cachep(size_t size, int gfpflags) +kmem_cache_t *kmem_find_general_cachep(size_t size, + unsigned int __nocast gfpflags) { return __find_general_cachep(size, gfpflags); } @@ -2099,7 +2102,7 @@ cache_alloc_debugcheck_before(kmem_cache_t *cachep, unsigned int __nocast flags) #if DEBUG static void * cache_alloc_debugcheck_after(kmem_cache_t *cachep, - unsigned long flags, void *objp, void *caller) + unsigned int __nocast flags, void *objp, void *caller) { if (!objp) return objp; @@ -2371,6 +2374,9 @@ void *kmem_cache_alloc_node(kmem_cache_t *cachep, int flags, int nodeid) struct slab *slabp; kmem_bufctl_t next; + if (nodeid == -1) + return kmem_cache_alloc(cachep, flags); + for (loop = 0;;loop++) { struct list_head *q; @@ -2438,7 +2444,7 @@ got_slabp: } EXPORT_SYMBOL(kmem_cache_alloc_node); -void *kmalloc_node(size_t size, int flags, int node) +void *kmalloc_node(size_t size, unsigned int __nocast flags, int node) { kmem_cache_t *cachep; @@ -2620,6 +2626,12 @@ unsigned int kmem_cache_size(kmem_cache_t *cachep) } EXPORT_SYMBOL(kmem_cache_size); +const char *kmem_cache_name(kmem_cache_t *cachep) +{ + return cachep->name; +} +EXPORT_SYMBOL_GPL(kmem_cache_name); + struct ccupdate_struct { kmem_cache_t *cachep; struct array_cache *new[NR_CPUS]; @@ -2845,6 +2857,7 @@ next: } check_irq_on(); up(&cache_chain_sem); + drain_remote_pages(); /* Setup the next iteration */ schedule_delayed_work(&__get_cpu_var(reap_work), REAPTIMEOUT_CPUC + smp_processor_id()); } @@ -3075,3 +3088,26 @@ unsigned int ksize(const void *objp) return size; } + + +/* + * kstrdup - allocate space for and copy an existing string + * + * @s: the string to duplicate + * @gfp: the GFP mask used in the kmalloc() call when allocating memory + */ +char *kstrdup(const char *s, unsigned int __nocast gfp) +{ + size_t len; + char *buf; + + if (!s) + return NULL; + + len = strlen(s) + 1; + buf = kmalloc(len, gfp); + if (buf) + memcpy(buf, s, len); + return buf; +} +EXPORT_SYMBOL(kstrdup); |