On Wed 11 June 2003 14:23, Rahul Sahgal wrote: > Hi all, > is it safe to call kmem_cache_alloc/free from interrupt handler ? Only if you use the appropriare gfp_mask. In interrupt context you can't kmalloc with GFP_KERNEL because this could block current process when reclaiming memory. You need to use GFP_ATOMIC mask in interrupt context. ( look at include/linux/mm.h ) Hope this help. Daniele. PGP PKEY http://pgp.mit.edu:11371/pks/lookup?search=belch76@libero.it&op=index ICQ# 104896040 Netphone/Fax 178.605.7063 Homepage http://web.tiscali.it/bellucda -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
