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io_uring/rsrc: get rid of io_mapped_ubuf->folio_mask

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We don't really need to cache this, let's reclaim 8 bytes from struct
io_mapped_ubuf and just calculate it when we need it. The only hot path
here is io_import_fixed().

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2024-09-15 08:51:20 -06:00
parent 636119af94
commit 8b0c6025a0
2 changed files with 3 additions and 7 deletions
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io_uring/rsrc.h
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@@ -46,7 +46,6 @@ struct io_mapped_ubuf {
unsigned int nr_bvecs;
unsigned int folio_shift;
unsigned long acct_pages;
unsigned long folio_mask;
refcount_t refs;
struct bio_vec bvec[] __counted_by(nr_bvecs);
};