forked from Minki/linux
c332813b51
'range_new' doesn't seem to be used after init. It is only passed to memset(), sum_ranges(), memcmp() and x86_get_mtrr_mem_range(), the latter of which also only passes it on to various *range* library functions. So mark it __initdata to free up an extra page after init. Its contents are wiped at every call to mtrr_calc_range_state(), so it being static is not about preserving state between calls, but simply to avoid a 4k+ stack frame. While there, add a comment explaining this and why it's safe. We could also mark nr_range_new as __initdata, but since it's just a single int and also doesn't carry state between calls (it is unconditionally assigned to before it is read), we might as well make it an ordinary automatic variable. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Toshi Kani <toshi.kani@hp.com> Link: http://lkml.kernel.org/r/1449002691-20783-1-git-send-email-linux@rasmusvillemoes.dk Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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| boot | ||
| configs | ||
| crypto | ||
| entry | ||
| ia32 | ||
| include | ||
| kernel | ||
| kvm | ||
| lguest | ||
| lib | ||
| math-emu | ||
| mm | ||
| net | ||
| oprofile | ||
| pci | ||
| platform | ||
| power | ||
| purgatory | ||
| ras | ||
| realmode | ||
| tools | ||
| um | ||
| video | ||
| xen | ||
| .gitignore | ||
| Kbuild | ||
| Kconfig | ||
| Kconfig.cpu | ||
| Kconfig.debug | ||
| Makefile | ||
| Makefile_32.cpu | ||
| Makefile.um | ||