kernel/pid.c: remove unneeded hash header file
Hash functions are not needed since idr is used now. Let's remove hash header file for cleanup. Link: http://lkml.kernel.org/r/20190430053319.95913-1-scuttimmy@gmail.com Signed-off-by: Timmy Li <scuttimmy@gmail.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: KJ Tsanaktsidis <ktsanaktsidis@zendesk.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -32,7 +32,6 @@
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#include <linux/init.h>
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#include <linux/rculist.h>
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#include <linux/memblock.h>
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#include <linux/hash.h>
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#include <linux/pid_namespace.h>
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#include <linux/init_task.h>
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#include <linux/syscalls.h>
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