b0f1e7962f
As sparse warns, without this struct page pointer subtraction is extremely expensive, and this is a pretty common operation in fast paths. With this define struct page becomes 64 bytes which makes for a simple subtract and shift, instead of a costly divide or reciprocol multiply. Signed-off-by: David S. Miller <davem@davemloft.net> |
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boot | ||
include/asm | ||
kernel | ||
lib | ||
math-emu | ||
mm | ||
oprofile | ||
prom | ||
defconfig | ||
Kconfig | ||
Kconfig.debug | ||
Makefile |