mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 04:34:11 +08:00
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>
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _LINUX_PGALLLC_TRACK_H
|
|
#define _LINUX_PGALLLC_TRACK_H
|
|
|
|
#if defined(CONFIG_MMU)
|
|
static inline p4d_t *p4d_alloc_track(struct mm_struct *mm, pgd_t *pgd,
|
|
unsigned long address,
|
|
pgtbl_mod_mask *mod_mask)
|
|
{
|
|
if (unlikely(pgd_none(*pgd))) {
|
|
if (__p4d_alloc(mm, pgd, address))
|
|
return NULL;
|
|
*mod_mask |= PGTBL_PGD_MODIFIED;
|
|
}
|
|
|
|
return p4d_offset(pgd, address);
|
|
}
|
|
|
|
static inline pud_t *pud_alloc_track(struct mm_struct *mm, p4d_t *p4d,
|
|
unsigned long address,
|
|
pgtbl_mod_mask *mod_mask)
|
|
{
|
|
if (unlikely(p4d_none(*p4d))) {
|
|
if (__pud_alloc(mm, p4d, address))
|
|
return NULL;
|
|
*mod_mask |= PGTBL_P4D_MODIFIED;
|
|
}
|
|
|
|
return pud_offset(p4d, address);
|
|
}
|
|
|
|
static inline pmd_t *pmd_alloc_track(struct mm_struct *mm, pud_t *pud,
|
|
unsigned long address,
|
|
pgtbl_mod_mask *mod_mask)
|
|
{
|
|
if (unlikely(pud_none(*pud))) {
|
|
if (__pmd_alloc(mm, pud, address))
|
|
return NULL;
|
|
*mod_mask |= PGTBL_PUD_MODIFIED;
|
|
}
|
|
|
|
return pmd_offset(pud, address);
|
|
}
|
|
#endif /* CONFIG_MMU */
|
|
|
|
#define pte_alloc_kernel_track(pmd, address, mask) \
|
|
((unlikely(pmd_none(*(pmd))) && \
|
|
(__pte_alloc_kernel(pmd) || ({*(mask)|=PGTBL_PMD_MODIFIED;0;})))?\
|
|
NULL: pte_offset_kernel(pmd, address))
|
|
|
|
#endif /* _LINUX_PGALLLC_TRACK_H */
|