infect arm & aarch64: Remove kdat

In these gents the task_size should be known.
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

criu/arch/aarch64/infect.c

@@ -6,7 +6,6 @@
 #include <compel/plugins/std/syscall-codes.h>
 #include "asm/types.h"
 #include "criu-log.h"
-#include "kerndat.h"
 #include "parasite-syscall.h"
 #include "compel/include/errno.h"
 #include "infect.h"

criu/arch/arm/infect.c

@@ -5,7 +5,6 @@
 #include <compel/asm/processor-flags.h>
 #include "asm/types.h"
 #include "criu-log.h"
-#include "kerndat.h"
 #include "parasite-syscall.h"
 #include "compel/include/errno.h"
 #include "infect.h"
@@ -100,7 +99,7 @@ void *remote_mmap(struct parasite_ctl *ctl,
 
 	err = compel_syscall(ctl, __NR_mmap2, &map,
 			(unsigned long)addr, length, prot, flags, fd, offset >> 12);
-	if (err < 0 || map > kdat.task_size)
+	if (err < 0 || map > ctl->ictx.task_size)
 		map = 0;
 
 	return (void *)map;

criu/include/infect.h

@@ -102,6 +102,7 @@ struct infect_ctx {
 	int (*make_sigframe)(void *, struct rt_sigframe *, struct rt_sigframe *, k_rtsigset_t *);
 	void *regs_arg;
 
+	unsigned long		task_size;
 	unsigned long		syscall_ip;				/* entry point of infection */
 	unsigned long		flags;			/* fine-tune (e.g. faults) */
 

criu/parasite-syscall.c

@@ -549,6 +549,7 @@ struct parasite_ctl *parasite_infect_seized(pid_t pid, struct pstree_item *item,
 	ictx->save_regs = save_task_regs;
 	ictx->make_sigframe = make_sigframe;
 	ictx->regs_arg = item->core[0];
+	ictx->task_size = kdat.task_size;
 	ictx->syscall_ip = p;
 	pr_debug("Parasite syscall_ip at %#lx\n", p);