diff options
| author | Takashi Iwai <tiwai@suse.de> | 2025-09-18 10:11:12 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2025-09-18 10:11:12 +0300 |
| commit | acff093287fb7f1d179162e531bae4ccd0ec8d65 (patch) | |
| tree | ca751cb3388522719e3e538918fad62b1c904c55 /include/linux/pgalloc.h | |
| parent | 7dd670db9afdca6aed4a9f99776cb72e6ed5a1f5 (diff) | |
| parent | 1dd28fd86c3fa4e395031dd6f2ba920242107010 (diff) | |
| download | linux-acff093287fb7f1d179162e531bae4ccd0ec8d65.tar.xz | |
Merge tag 'asoc-fix-v6.17-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.17
A pile of fixes that accumilated over the past few -rcs, this is all
driver specifics including a small pile of quirks for new systems.
Diffstat (limited to 'include/linux/pgalloc.h')
| -rw-r--r-- | include/linux/pgalloc.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/pgalloc.h b/include/linux/pgalloc.h new file mode 100644 index 000000000000..9174fa59bbc5 --- /dev/null +++ b/include/linux/pgalloc.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_PGALLOC_H +#define _LINUX_PGALLOC_H + +#include <linux/pgtable.h> +#include <asm/pgalloc.h> + +/* + * {pgd,p4d}_populate_kernel() are defined as macros to allow + * compile-time optimization based on the configured page table levels. + * Without this, linking may fail because callers (e.g., KASAN) may rely + * on calls to these functions being optimized away when passing symbols + * that exist only for certain page table levels. + */ +#define pgd_populate_kernel(addr, pgd, p4d) \ + do { \ + pgd_populate(&init_mm, pgd, p4d); \ + if (ARCH_PAGE_TABLE_SYNC_MASK & PGTBL_PGD_MODIFIED) \ + arch_sync_kernel_mappings(addr, addr); \ + } while (0) + +#define p4d_populate_kernel(addr, p4d, pud) \ + do { \ + p4d_populate(&init_mm, p4d, pud); \ + if (ARCH_PAGE_TABLE_SYNC_MASK & PGTBL_P4D_MODIFIED) \ + arch_sync_kernel_mappings(addr, addr); \ + } while (0) + +#endif /* _LINUX_PGALLOC_H */ |
