On Tue, Mar 17, 2026 at 12:48 PM Yosry Ahmed wrote: > > On Tue, Mar 17, 2026 at 12:45 PM Andrew Morton > wrote: > > > > On Mon, 16 Mar 2026 18:48:00 -0700 "Kanchana P. Sridhar" < kanchanapsridhar2026@gmail.com> wrote: > > > > > This patchset first removes redundant checks on the acomp_ctx and its > > > "req" member in zswap_cpu_comp_dead(). > > > > > > Next, it persists the zswap pool's per-CPU acomp_ctx resources to > > > last until the pool is destroyed. It then simplifies the per-CPU > > > acomp_ctx mutex locking in zswap_compress()/zswap_decompress(). > > > > > > Code comments added after allocation and before checking to deallocate > > > the per-CPU acomp_ctx's members, based on expected crypto API return > > > values and zswap changes this patchset makes. > > > > > > Patch 2 is an independent submission of patch 23 from [1], to > > > facilitate merging. > > > > Thanks. > > > > What happened with "mm: zswap: Consistently use IS_ERR_OR_NULL() to > > check acomp_ctx resources"? Still relevant? > > > > https://lkml.kernel.org/r/20260314051632.17931-3-kanchanapsridhar2026@gmail.com > > We decided to drop it (and patch 1 here kinda sorta takes its place): > https://lore.kernel.org/all/CACpmpoeo0LhxkoA5Wx6q+9=2scn_az0u=3bar-JgBvTA-ZBkZg@mail.gmail.com/ Thanks for the clarification, Yosry! Thanks Andrew, for adding the two patches in v2 to mm-new! Thanks also for obsoleting the "mm: zswap: Consistently use IS_ERR_OR_NULL() to check acomp_ctx resources" patch - we decided to replace this with the [v2,1/2] mm: zswap: Remove redundant checks in zswap_cpu_comp_dead(). Best regards, Kanchana