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SubjectRe: [PATCH] fs/namei.c: micro-optimize acl_permission_check

On 13/11/2019 22.45, Rasmus Villemoes wrote:
> System-installed files are usually 0755 or 0644, so in most cases, we
> can avoid the binary search and the cost of pulling the cred->groups
> array and in_group_p() .text into the cpu cache.

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