Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
30 lines
948 B
C
30 lines
948 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_PGALLOC_H
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#define _LINUX_PGALLOC_H
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#include <linux/pgtable.h>
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#include <asm/pgalloc.h>
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/*
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* {pgd,p4d}_populate_kernel() are defined as macros to allow
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* compile-time optimization based on the configured page table levels.
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* Without this, linking may fail because callers (e.g., KASAN) may rely
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* on calls to these functions being optimized away when passing symbols
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* that exist only for certain page table levels.
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*/
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#define pgd_populate_kernel(addr, pgd, p4d) \
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do { \
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pgd_populate(&init_mm, pgd, p4d); \
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if (ARCH_PAGE_TABLE_SYNC_MASK & PGTBL_PGD_MODIFIED) \
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arch_sync_kernel_mappings(addr, addr); \
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} while (0)
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#define p4d_populate_kernel(addr, p4d, pud) \
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do { \
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p4d_populate(&init_mm, p4d, pud); \
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if (ARCH_PAGE_TABLE_SYNC_MASK & PGTBL_P4D_MODIFIED) \
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arch_sync_kernel_mappings(addr, addr); \
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} while (0)
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#endif /* _LINUX_PGALLOC_H */
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