Messages in this thread | | | Subject | Re: [PATCH v2 1/4] kernfs: kvmalloc xattr value instead of kmalloc | From | Joe Perches <> | Date | Mon, 09 Mar 2020 12:58:49 -0700 |
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On Mon, 2020-03-09 at 15:51 -0400, Tejun Heo wrote: > On Mon, Mar 09, 2020 at 12:41:05PM -0700, Joe Perches wrote: > > If the need is to allocate from a single block of memory, > > perhaps you need a submemory allocator like gen_pool. > > (gennalloc.h) > > > > Dunno. Maybe i just don't quite understand your need. > > vmalloc is the right thing to do here. vmalloc space isn't a scarce > resource on any 64bit machines. On 32bits, which basically are tiny > machines at this point, these allocations are both size and quantity > limited by other factors (e.g. each cgroup consumes way more memory).
This feels like driving spikes into a living thing more than into a corpse.
I've still got more than a few 32-bit devices around.
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