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2a681cfa5b
The functions are only used in two source files, so there is no need for them to be in the global <linux/mm.h> header. Move them to the new <linux/pgalloc-track.h> header and include it only where needed. Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Abdul Haleem <abdhalee@linux.vnet.ibm.com> Cc: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Mike Rapoport <rppt@linux.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Stafford Horne <shorne@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Matthew Wilcox <willy@infradead.org> Link: http://lkml.kernel.org/r/20200609120533.25867-1-joro@8bytes.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_PGALLLC_TRACK_H
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#define _LINUX_PGALLLC_TRACK_H
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#if defined(CONFIG_MMU)
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static inline p4d_t *p4d_alloc_track(struct mm_struct *mm, pgd_t *pgd,
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unsigned long address,
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pgtbl_mod_mask *mod_mask)
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{
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if (unlikely(pgd_none(*pgd))) {
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if (__p4d_alloc(mm, pgd, address))
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return NULL;
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*mod_mask |= PGTBL_PGD_MODIFIED;
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}
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return p4d_offset(pgd, address);
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}
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static inline pud_t *pud_alloc_track(struct mm_struct *mm, p4d_t *p4d,
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unsigned long address,
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pgtbl_mod_mask *mod_mask)
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{
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if (unlikely(p4d_none(*p4d))) {
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if (__pud_alloc(mm, p4d, address))
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return NULL;
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*mod_mask |= PGTBL_P4D_MODIFIED;
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}
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return pud_offset(p4d, address);
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}
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static inline pmd_t *pmd_alloc_track(struct mm_struct *mm, pud_t *pud,
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unsigned long address,
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pgtbl_mod_mask *mod_mask)
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{
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if (unlikely(pud_none(*pud))) {
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if (__pmd_alloc(mm, pud, address))
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return NULL;
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*mod_mask |= PGTBL_PUD_MODIFIED;
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}
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return pmd_offset(pud, address);
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}
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#endif /* CONFIG_MMU */
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#define pte_alloc_kernel_track(pmd, address, mask) \
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((unlikely(pmd_none(*(pmd))) && \
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(__pte_alloc_kernel(pmd) || ({*(mask)|=PGTBL_PMD_MODIFIED;0;})))?\
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NULL: pte_offset_kernel(pmd, address))
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#endif /* _LINUX_PGALLLC_TRACK_H */
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