On Mon, 11 Feb 2008, Abel Bernabeu wrote: > In such a way that set_brk(0x0, 0x100) does not alloc any space at all. > There are just more ways to get no memory allocation than > set_brk(elf_bss, elf_bss) (the equalness condition i've changed). > Sorry, the correct description for the patch may be: > set_brk(start, end) allocs just page aligned regions (by "colapsing" > both extremes to the END of the page in which they lay)... That means > than even if both pointers are not equal there are still some chances > that set_brk has allocated no space at all because because > ELF_PAGEALIGN(elf_bss) == ELF_PAGEALIGN(elf_brk)
Now, the question is whether it is valid for ELF binary to not have the end of .bss section (if present at all) not page-aligned. -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/