mm/page: remove the stupid
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c6c92ac39f
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21798e1396
1 changed files with 4 additions and 4 deletions
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@ -372,7 +372,7 @@ static __always_inline bool can_merge(vm_page_t page, vm_page_t buddy)
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/* we know that `page' is not reserved, because we
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* check that flag before we even attempt coalition */
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const unsigned mask = _PGA_RSVD_MASK | _PGA_ZONE_MASK;
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merge &= (atom_read(&page->attr) & mask) == (atom_read(&page->attr) & mask);
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merge &= (atom_read(&page->attr) & mask) == (atom_read(&buddy->attr) & mask);
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return merge;
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}
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@ -398,13 +398,13 @@ void free_pages(void *ptr)
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init_pages(ptr, PAGE_POISON_FREE, order);
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#endif
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int old_count = atom_sub(&page->count, 1);
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PAGE_DEBUG_BLOCK {
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int old_count = atom_sub(&page->count, 1);
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if (old_count != 1) {
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if (old_count == 0)
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page_debug("double free of page %p", ptr);
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page_debug("double free of %p", ptr);
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else
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page_debug("attempted to free page %p with references", ptr);
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page_debug("attempted to free %p with references", ptr);
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return;
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}
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}
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