question about alloc_bootmem
haojian.zhuang at gmail.com
Fri Apr 15 02:54:39 EDT 2011
On Fri, Apr 15, 2011 at 1:49 PM, javaweb zhang <javawebzwp at gmail.com> wrote:
> Hello, everyone. I use alloc_bootmem() in profile.c to allocate a big memory
> at function profile_init(), how I know whether it is success? The following
> is my code:
> // at kernel/profile.c
> ctxsw_A = (struct ctxsw_rec *)alloc_bootmem(sizeof(struct ctxsw_rec)*CTXSW);
> ctxsw_rec is a struct which declared in include/linux/profile.h, CTXSW =
4 >> 10 equals to zero. I think that it's your typo error.
If you meet failure on allocating bootmem, kernel will panic.
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