add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/arch/alpha/include/asm/pgtable.h
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@@ -2,7 +2,7 @@
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 #ifndef _ALPHA_PGTABLE_H
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 #define _ALPHA_PGTABLE_H
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-#include <asm-generic/4level-fixup.h>
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+#include <asm-generic/pgtable-nopud.h>
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 /*
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  * This file contains the functions and defines necessary to modify and use
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@@ -226,8 +226,8 @@
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 extern inline void pmd_set(pmd_t * pmdp, pte_t * ptep)
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 { pmd_val(*pmdp) = _PAGE_TABLE | ((((unsigned long) ptep) - PAGE_OFFSET) << (32-PAGE_SHIFT)); }
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-extern inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp)
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-{ pgd_val(*pgdp) = _PAGE_TABLE | ((((unsigned long) pmdp) - PAGE_OFFSET) << (32-PAGE_SHIFT)); }
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+extern inline void pud_set(pud_t * pudp, pmd_t * pmdp)
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+{ pud_val(*pudp) = _PAGE_TABLE | ((((unsigned long) pmdp) - PAGE_OFFSET) << (32-PAGE_SHIFT)); }
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 extern inline unsigned long
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@@ -238,11 +238,11 @@
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 #ifndef CONFIG_DISCONTIGMEM
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 #define pmd_page(pmd)	(mem_map + ((pmd_val(pmd) & _PFN_MASK) >> 32))
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-#define pgd_page(pgd)	(mem_map + ((pgd_val(pgd) & _PFN_MASK) >> 32))
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+#define pud_page(pud)	(mem_map + ((pud_val(pud) & _PFN_MASK) >> 32))
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 #endif
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-extern inline unsigned long pgd_page_vaddr(pgd_t pgd)
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-{ return PAGE_OFFSET + ((pgd_val(pgd) & _PFN_MASK) >> (32-PAGE_SHIFT)); }
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+extern inline unsigned long pud_page_vaddr(pud_t pgd)
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+{ return PAGE_OFFSET + ((pud_val(pgd) & _PFN_MASK) >> (32-PAGE_SHIFT)); }
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 extern inline int pte_none(pte_t pte)		{ return !pte_val(pte); }
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 extern inline int pte_present(pte_t pte)	{ return pte_val(pte) & _PAGE_VALID; }
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@@ -256,10 +256,10 @@
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 extern inline int pmd_present(pmd_t pmd)	{ return pmd_val(pmd) & _PAGE_VALID; }
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 extern inline void pmd_clear(pmd_t * pmdp)	{ pmd_val(*pmdp) = 0; }
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-extern inline int pgd_none(pgd_t pgd)		{ return !pgd_val(pgd); }
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-extern inline int pgd_bad(pgd_t pgd)		{ return (pgd_val(pgd) & ~_PFN_MASK) != _PAGE_TABLE; }
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-extern inline int pgd_present(pgd_t pgd)	{ return pgd_val(pgd) & _PAGE_VALID; }
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-extern inline void pgd_clear(pgd_t * pgdp)	{ pgd_val(*pgdp) = 0; }
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+extern inline int pud_none(pud_t pud)		{ return !pud_val(pud); }
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+extern inline int pud_bad(pud_t pud)		{ return (pud_val(pud) & ~_PFN_MASK) != _PAGE_TABLE; }
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+extern inline int pud_present(pud_t pud)	{ return pud_val(pud) & _PAGE_VALID; }
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+extern inline void pud_clear(pud_t * pudp)	{ pud_val(*pudp) = 0; }
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 /*
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  * The following only work if pte_present() is true.
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@@ -268,7 +268,6 @@
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 extern inline int pte_write(pte_t pte)		{ return !(pte_val(pte) & _PAGE_FOW); }
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 extern inline int pte_dirty(pte_t pte)		{ return pte_val(pte) & _PAGE_DIRTY; }
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 extern inline int pte_young(pte_t pte)		{ return pte_val(pte) & _PAGE_ACCESSED; }
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-extern inline int pte_special(pte_t pte)	{ return 0; }
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 extern inline pte_t pte_wrprotect(pte_t pte)	{ pte_val(pte) |= _PAGE_FOW; return pte; }
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 extern inline pte_t pte_mkclean(pte_t pte)	{ pte_val(pte) &= ~(__DIRTY_BITS); return pte; }
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@@ -276,21 +275,11 @@
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 extern inline pte_t pte_mkwrite(pte_t pte)	{ pte_val(pte) &= ~_PAGE_FOW; return pte; }
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 extern inline pte_t pte_mkdirty(pte_t pte)	{ pte_val(pte) |= __DIRTY_BITS; return pte; }
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 extern inline pte_t pte_mkyoung(pte_t pte)	{ pte_val(pte) |= __ACCESS_BITS; return pte; }
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-extern inline pte_t pte_mkspecial(pte_t pte)	{ return pte; }
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-
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-#define PAGE_DIR_OFFSET(tsk,address) pgd_offset((tsk),(address))
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-
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-/* to find an entry in a kernel page-table-directory */
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-#define pgd_offset_k(address) pgd_offset(&init_mm, (address))
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-
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-/* to find an entry in a page-table-directory. */
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-#define pgd_index(address)	(((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
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-#define pgd_offset(mm, address)	((mm)->pgd+pgd_index(address))
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 /*
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- * The smp_read_barrier_depends() in the following functions are required to
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- * order the load of *dir (the pointer in the top level page table) with any
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- * subsequent load of the returned pmd_t *ret (ret is data dependent on *dir).
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+ * The smp_rmb() in the following functions are required to order the load of
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+ * *dir (the pointer in the top level page table) with any subsequent load of
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+ * the returned pmd_t *ret (ret is data dependent on *dir).
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  *
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  * If this ordering is not enforced, the CPU might load an older value of
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  * *ret, which may be uninitialized data. See mm/memory.c:__pte_alloc for
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@@ -301,24 +290,23 @@
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  */
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 /* Find an entry in the second-level page table.. */
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-extern inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
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+extern inline pmd_t * pmd_offset(pud_t * dir, unsigned long address)
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 {
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-	pmd_t *ret = (pmd_t *) pgd_page_vaddr(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1));
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-	smp_read_barrier_depends(); /* see above */
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+	pmd_t *ret = (pmd_t *) pud_page_vaddr(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1));
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+	smp_rmb(); /* see above */
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 	return ret;
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 }
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+#define pmd_offset pmd_offset
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 /* Find an entry in the third-level page table.. */
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 extern inline pte_t * pte_offset_kernel(pmd_t * dir, unsigned long address)
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 {
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 	pte_t *ret = (pte_t *) pmd_page_vaddr(*dir)
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 		+ ((address >> PAGE_SHIFT) & (PTRS_PER_PAGE - 1));
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-	smp_read_barrier_depends(); /* see above */
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+	smp_rmb(); /* see above */
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 	return ret;
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 }
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-
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-#define pte_offset_map(dir,addr)	pte_offset_kernel((dir),(addr))
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-#define pte_unmap(pte)			do { } while (0)
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+#define pte_offset_kernel pte_offset_kernel
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 extern pgd_t swapper_pg_dir[1024];
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@@ -356,13 +344,6 @@
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 	printk("%s:%d: bad pgd %016lx.\n", __FILE__, __LINE__, pgd_val(e))
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 extern void paging_init(void);
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-
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-#include <asm-generic/pgtable.h>
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-
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-/*
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- * No page table caches to initialise
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- */
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-#define pgtable_cache_init()	do { } while (0)
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 /* We have our own get_unmapped_area to cope with ADDR_LIMIT_32BIT.  */
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 #define HAVE_ARCH_UNMAPPED_AREA