mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 21:25:33 +07:00
ca5999fde0
The include/linux/pgtable.h is going to be the home of generic page table manipulation functions. Start with moving asm-generic/pgtable.h to include/linux/pgtable.h and make the latter include asm/pgtable.h. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-3-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _MM_PAGE_REPORTING_H
|
|
#define _MM_PAGE_REPORTING_H
|
|
|
|
#include <linux/mmzone.h>
|
|
#include <linux/pageblock-flags.h>
|
|
#include <linux/page-isolation.h>
|
|
#include <linux/jump_label.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/pgtable.h>
|
|
#include <linux/scatterlist.h>
|
|
|
|
#define PAGE_REPORTING_MIN_ORDER pageblock_order
|
|
|
|
#ifdef CONFIG_PAGE_REPORTING
|
|
DECLARE_STATIC_KEY_FALSE(page_reporting_enabled);
|
|
void __page_reporting_notify(void);
|
|
|
|
static inline bool page_reported(struct page *page)
|
|
{
|
|
return static_branch_unlikely(&page_reporting_enabled) &&
|
|
PageReported(page);
|
|
}
|
|
|
|
/**
|
|
* page_reporting_notify_free - Free page notification to start page processing
|
|
*
|
|
* This function is meant to act as a screener for __page_reporting_notify
|
|
* which will determine if a give zone has crossed over the high-water mark
|
|
* that will justify us beginning page treatment. If we have crossed that
|
|
* threshold then it will start the process of pulling some pages and
|
|
* placing them in the batch list for treatment.
|
|
*/
|
|
static inline void page_reporting_notify_free(unsigned int order)
|
|
{
|
|
/* Called from hot path in __free_one_page() */
|
|
if (!static_branch_unlikely(&page_reporting_enabled))
|
|
return;
|
|
|
|
/* Determine if we have crossed reporting threshold */
|
|
if (order < PAGE_REPORTING_MIN_ORDER)
|
|
return;
|
|
|
|
/* This will add a few cycles, but should be called infrequently */
|
|
__page_reporting_notify();
|
|
}
|
|
#else /* CONFIG_PAGE_REPORTING */
|
|
#define page_reported(_page) false
|
|
|
|
static inline void page_reporting_notify_free(unsigned int order)
|
|
{
|
|
}
|
|
#endif /* CONFIG_PAGE_REPORTING */
|
|
#endif /*_MM_PAGE_REPORTING_H */
|