>>And kmalloc is page aligned, "4096/16 = 256", is it also 16 aligned?
>>>Maybe i misunderstand about "aligned" meaning. Oh,sorry vmalloc is page aligned kmalloc is not. 2009/2/17 Pei Lin <[email protected]>: > i think slab can do that,look at > mm/slab.c: > "struct kmem_cache * > kmem_cache_create (const char *name, size_t size, size_t align, > unsigned long flags, > void (*ctor)(struct kmem_cache *, void *))" > > the parameter "align" for what? > > And kmalloc is page aligned, "4096/16 = 256", is it also 16 aligned? > > Maybe i misunderstand about "aligned" meaning. > > > > 2009/2/16 Mulyadi Santosa <[email protected]>: >> On Sun, Feb 15, 2009 at 4:41 PM, Ramagudi Naziir <[email protected]> wrote: >>> hello everyone >>> >>> i need to allocate memory aligned 16 bytes. >>> >>> how can i do that ? >>> >>> can I use kmalloc for that ? >> >> Uhm, kmalloc use slab so I don't think it will be aligned. My wild >> guess is you have use alloc_page(s) or use _aligned_ (or _align_?... >> not sure) gcc builtin directive >> >> regards, >> >> Mulyadi. >> >> -- >> To unsubscribe from this list: send an email with >> "unsubscribe kernelnewbies" to [email protected] >> Please read the FAQ at http://kernelnewbies.org/FAQ >> >> > -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
