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mm: treewide: clarify pgtable_page_{ctor,dtor}() naming

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The naming of pgtable_page_{ctor,dtor}() seems to have confused a few
people, and until recently arm64 used these erroneously/pointlessly for
other levels of page table.

To make it incredibly clear that these only apply to the PTE level, and to
align with the naming of pgtable_pmd_page_{ctor,dtor}(), let's rename them
to pgtable_pte_page_{ctor,dtor}().

These changes were generated with the following shell script:

----
git grep -lw 'pgtable_page_.tor' | while read FILE; do
    sed -i '{s/pgtable_page_ctor/pgtable_pte_page_ctor/}' $FILE;
    sed -i '{s/pgtable_page_dtor/pgtable_pte_page_dtor/}' $FILE;
done
----

... with the documentation re-flowed to remain under 80 columns, and
whitespace fixed up in macros to keep backslashes aligned.

There should be no functional change as a result of this patch.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Mark Rutland <[email protected]>
Reviewed-by: Mike Rapoport <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]>	[m68k]
Cc: Anshuman Khandual <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Yu Zhao <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Mark Rutland 2019-09-25 16:49:46 -07:00 • committed by Linus Torvalds
commit b4ed71f557
26 changed files with 48 additions and 48 deletions
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4
arch/sparc/mm/init_64.c
View file

@ -2903,7 +2903,7 @@ pgtable_t pte_alloc_one(struct mm_struct *mm)
struct page *page = alloc_page(GFP_KERNEL | __GFP_ZERO);
if (!page)
return NULL;
if (!pgtable_page_ctor(page)) {
if (!pgtable_pte_page_ctor(page)) {
free_unref_page(page);
return NULL;
}
@ -2919,7 +2919,7 @@ static void __pte_free(pgtable_t pte)
{
struct page *page = virt_to_page(pte);
pgtable_page_dtor(page);
pgtable_pte_page_dtor(page);
__free_page(page);
}

4
arch/sparc/mm/srmmu.c
View file

@ -378,7 +378,7 @@ pgtable_t pte_alloc_one(struct mm_struct *mm)
if ((pte = (unsigned long)pte_alloc_one_kernel(mm)) == 0)
return NULL;
page = pfn_to_page(__nocache_pa(pte) >> PAGE_SHIFT);
if (!pgtable_page_ctor(page)) {
if (!pgtable_pte_page_ctor(page)) {
__free_page(page);
return NULL;
}
@ -389,7 +389,7 @@ void pte_free(struct mm_struct *mm, pgtable_t pte)
{
unsigned long p;
pgtable_page_dtor(pte);
pgtable_pte_page_dtor(pte);
p = (unsigned long)page_address(pte); /* Cached address (for test) */
if (p == 0)
BUG();