> [EMAIL PROTECTED] wrote: > > >Offtopic: Which still reminds me to write an email about that the > > >Solaris kernel is very very malloc()-happy (which is unneccesary in many > > >cases now that C99-sematics are allowed). > > > > You are wrong. > > Thank you... ;-(( > See below... > > > We *malloc* not because of shortcomings in C but because > > we don't have any room on the stack to put stuff. > > - Create a C macro |#define KMEM_TMP_ALLOC()| which expands to the > following procedure: > 1. Measure stack size and current available space on stack. The first > 512bytes (of a 8k default stack, a 64k default stack would offer much > more room (this value is a tuneable, setting it to |0| will disable the > stack allocations)) are available to allocations via C99 constructs (if > this fails the size will simply be set to |0|).
Are there lots of such tmp allocations in the kernel to justify such special-purpose allocator? Most of the allocations seem to be used for data structures - they are not temporary. __ - Alexander Kolbasov _______________________________________________ perf-discuss mailing list [email protected]
