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mm/damon/paddr: remove damon_pa_access_chk_result struct

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'damon_pa_access_chk_result' struct contains only one field.  Use a
variable instead.

Link: https://lkml.kernel.org/r/20230109213335.62525-7-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2023-01-09 21:33:35 +00:00 committed by Andrew Morton
parent 397b0c3a58
commit b0c0e744e8
1 changed files with 11 additions and 17 deletions
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28
mm/damon/paddr.c
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@ -79,50 +79,44 @@ static void damon_pa_prepare_access_checks(struct damon_ctx *ctx)
}
}
struct damon_pa_access_chk_result {
bool accessed;
};
static bool __damon_pa_young(struct folio *folio, struct vm_area_struct *vma,
unsigned long addr, void *arg)
{
struct damon_pa_access_chk_result *result = arg;
bool *accessed = arg;
DEFINE_FOLIO_VMA_WALK(pvmw, folio, vma, addr, 0);
result->accessed = false;
*accessed = false;
while (page_vma_mapped_walk(&pvmw)) {
addr = pvmw.address;
if (pvmw.pte) {
result->accessed = pte_young(*pvmw.pte) ||
*accessed = pte_young(*pvmw.pte) ||
!folio_test_idle(folio) ||
mmu_notifier_test_young(vma->vm_mm, addr);
} else {
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
result->accessed = pmd_young(*pvmw.pmd) ||
*accessed = pmd_young(*pvmw.pmd) ||
!folio_test_idle(folio) ||
mmu_notifier_test_young(vma->vm_mm, addr);
#else
WARN_ON_ONCE(1);
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
}
if (result->accessed) {
if (*accessed) {
page_vma_mapped_walk_done(&pvmw);
break;
}
}
/* If accessed, stop walking */
return !result->accessed;
return *accessed == false;
}
static bool damon_pa_young(unsigned long paddr, unsigned long *folio_sz)
{
struct folio *folio = damon_get_folio(PHYS_PFN(paddr));
struct damon_pa_access_chk_result result = {
.accessed = false,
};
bool accessed = false;
struct rmap_walk_control rwc = {
.arg = &result,
.arg = &accessed,
.rmap_one = __damon_pa_young,
.anon_lock = folio_lock_anon_vma_read,
};
@ -133,9 +127,9 @@ static bool damon_pa_young(unsigned long paddr, unsigned long *folio_sz)
if (!folio_mapped(folio) || !folio_raw_mapping(folio)) {
if (folio_test_idle(folio))
result.accessed = false;
accessed = false;
else
result.accessed = true;
accessed = true;
folio_put(folio);
goto out;
}
@ -154,7 +148,7 @@ static bool damon_pa_young(unsigned long paddr, unsigned long *folio_sz)
out:
*folio_sz = folio_size(folio);
return result.accessed;
return accessed;
}
static void __damon_pa_check_access(struct damon_region *r)