Revision 28a17338738839494752c5da3e12c889a55219db authored by Linus Torvalds on 14 February 2021, 19:50:31 UTC, committed by Linus Torvalds on 14 February 2021, 19:50:31 UTC
Pull LED fix from Pavel Machek: "One-liner fixing a build problem" * 'for-rc8-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: leds: rt8515: add V4L2_FLASH_LED_CLASS dependency
pgalloc-track.h
/* 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 */
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