On Mon, Feb 12, 2024 at 02:37:53PM +0100, Herve Codina wrote: > On Mon, 12 Feb 2024 14:27:16 +0200 > Andy Shevchenko <andriy.shevche...@linux.intel.com> wrote: > > On Mon, Feb 12, 2024 at 08:56:31AM +0100, Herve Codina wrote: > > > Currently the bitmap_onto() is available only for CONFIG_NUMA=y case, > > > while some users may benefit out of it and being independent to NUMA > > > code. > > > > > > Make it available to users by moving out of ifdeffery and exporting for > > > modules. > > > > Wondering if you are trying to have something like > > https://lore.kernel.org/lkml/20230926052007.3917389-1-andriy.shevche...@linux.intel.com/ > > Yes, it looks like. > Can you confirm that your bitmap_scatter() do the same operations as the > existing bitmap_onto() ?
I have test cases to be 100% sure, but on the first glance, yes it does with the adjustment to the atomicity of the operations (which I do not understand why be atomic in the original bitmap_onto() implementation). This actually gives a question if we should use your approach or mine. At least the help of bitmap_onto() is kinda hard to understand. > If so, your bitmap_gather() will match my bitmap_off() (patch 4 in this > series). Yes. -- With Best Regards, Andy Shevchenko
