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mm: move is_ioremap_addr() into new header file

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Now is_ioremap_addr() is only used in kernel/iomem.c and gonna be used in
mm/ioremap.c.  Move it into its own new header file linux/ioremap.h.

Link: https://lkml.kernel.org/r/20230706154520.11257-17-bhe@redhat.com
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Brian Cain <bcain@quicinc.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Chris Zankel <chris@zankel.net>
Cc: David Laight <David.Laight@ACULAB.COM>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Niklas Schnelle <schnelle@linux.ibm.com>
Cc: Rich Felker <dalias@libc.org>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Vineet Gupta <vgupta@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Baoquan He
2023-07-06 23:45:17 +08:00
committed by Andrew Morton
parent ab1cd02083
commit 016fec9101
5 changed files with 32 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
arch/powerpc/include/asm/pgtable.h
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@@ -157,16 +157,6 @@ static inline pgtable_t pmd_pgtable(pmd_t pmd)
return (pgtable_t)pmd_page_vaddr(pmd);
}
#ifdef CONFIG_PPC64
#define is_ioremap_addr is_ioremap_addr
static inline bool is_ioremap_addr(const void *x)
{
unsigned long addr = (unsigned long)x;
return addr >= IOREMAP_BASE && addr < IOREMAP_END;
}
#endif /* CONFIG_PPC64 */
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_PGTABLE_H */