| Server IP : 74.208.127.88 / Your IP : 216.73.216.153 Web Server : Apache/2.4.41 (Ubuntu) System : Linux ubuntu 5.4.0-163-generic #180-Ubuntu SMP Tue Sep 5 13:21:23 UTC 2023 x86_64 User : www-data ( 33) PHP Version : 7.4.3-4ubuntu2.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /proc/self/root/lib/modules/5.4.0-163-generic/build/arch/arc/include/asm/ |
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
*/
#ifndef _ASM_ARC_MMZONE_H
#define _ASM_ARC_MMZONE_H
#ifdef CONFIG_DISCONTIGMEM
extern struct pglist_data node_data[];
#define NODE_DATA(nid) (&node_data[nid])
static inline int pfn_to_nid(unsigned long pfn)
{
int is_end_low = 1;
if (IS_ENABLED(CONFIG_ARC_HAS_PAE40))
is_end_low = pfn <= virt_to_pfn(0xFFFFFFFFUL);
/*
* node 0: lowmem: 0x8000_0000 to 0xFFFF_FFFF
* node 1: HIGHMEM w/o PAE40: 0x0 to 0x7FFF_FFFF
* HIGHMEM with PAE40: 0x1_0000_0000 to ...
*/
if (pfn >= ARCH_PFN_OFFSET && is_end_low)
return 0;
return 1;
}
static inline int pfn_valid(unsigned long pfn)
{
int nid = pfn_to_nid(pfn);
return (pfn <= node_end_pfn(nid));
}
#endif /* CONFIG_DISCONTIGMEM */
#endif