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#include <sys/epoll.h>
#include <string.h>

#include "epoll2.h"
#include "die.h"

void set_epoll_descriptor(int fd_epoll, int action, int fd_toadd, int events)
{
	int ret;
	struct epoll_event ev;

	memset(&ev, 0, sizeof(ev));
	ev.events = events;
	ev.data.fd = fd_toadd;

	ret = epoll_ctl(fd_epoll, action, fd_toadd, &ev);
	if (ret < 0)
		panic("Cannot add socket for epoll!\n");
}

int set_epoll_descriptor2(int fd_epoll, int action, int fd_toadd, int events)
{
	struct epoll_event ev;

	memset(&ev, 0, sizeof(ev));
	ev.events = events;
	ev.data.fd = fd_toadd;

	return epoll_ctl(fd_epoll, action, fd_toadd, &ev);
}
s='oid'>3d30544f02120b884bba2a9466c87dba980e3be5 (diff)
sched/fair: Reorder cgroup creation code
A future patch needs rq->lock held _after_ we link the task_group into the hierarchy. In order to avoid taking every rq->lock twice, reorder things a little and create online_fair_sched_group() to be called after we link the task_group. All this code is still ran from css_alloc() so css_online() isn't in fact used for this. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: bsegall@google.com Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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