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The number of system calls making use of pidfds is constantly increasing. Some of those new system calls duplicate the code to turn a pidfd into task_struct it refers to. Give them a simple helper for this. Link: https://lore.kernel.org/r/20211004125050.1153693-2-christian.brauner@ubuntu.com Link: https://lore.kernel.org/r/20211011133245.1703103-2-brauner@kernel.org Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Matthew Bobrowski <repnop@google.com> Cc: Alexander Duyck <alexander.h.duyck@linux.intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: Jan Kara <jack@suse.cz> Cc: Minchan Kim <minchan@kernel.org> Reviewed-by: Matthew Bobrowski <repnop@google.com> Acked-by: David Hildenbrand <david@redhat.com> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> |
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| linux | ||
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