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    SubjectRe: [PATCH v2 3/3] percpu: allow select gfp to be passed to underlying allocators
    On Fri, Feb 16, 2018 at 12:09:58PM -0600, Dennis Zhou wrote:
    > The prior patch added support for passing gfp flags through to the
    > underlying allocators. This patch allows users to pass along gfp flags
    > (currently only __GFP_NORETRY and __GFP_NOWARN) to the underlying
    > allocators. This should allow users to decide if they are ok with
    > failing allocations recovering in a more graceful way.
    > Additionally, gfp passing was done as additional flags in the previous
    > patch. Instead, change this to caller passed semantics. GFP_KERNEL is
    > also removed as the default flag. It continues to be used for internally
    > caused underlying percpu allocations.
    > V2:
    > Removed gfp_percpu_mask in favor of doing it inline.
    > Removed GFP_KERNEL as a default flag for __alloc_percpu_gfp.
    > Signed-off-by: Dennis Zhou <>
    > Suggested-by: Daniel Borkmann <>

    Applied 1-3 to percpu/for-4.16-fixes.

    Thanks, Dennis.


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