On 2017/09/30 13:05, Wei Wang wrote:
> /**
> + * xb_preload - preload for xb_set_bit()
> + * @gfp_mask: allocation mask to use for preloading
> + *
> + * Preallocate memory to use for the next call to xb_set_bit(). This function
> + * returns with preemption disabled. It will be enabled by xb_pr
From: Matthew Wilcox
The eXtensible Bitmap is a sparse bitmap representation which is
efficient for set bits which tend to cluster. It supports up to
'unsigned long' worth of bits, and this commit adds the bare bones --
xb_set_bit(), xb_clear_bit() and xb_test_bit().
More possible optimizations
2 matches
Mail list logo