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mm/memory.c: mark create_huge_pmd() inline to prevent build failure

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With gcc 4.1.2:

    mm/memory.o: In function `create_huge_pmd':
    memory.c:(.text+0x93e): undefined reference to `do_huge_pmd_anonymous_page'

Interestingly, create_huge_pmd() is emitted in the assembler output, but
never called.

Converting transparent_hugepage_enabled() from a macro to a static
inline function reduced the ability of the compiler to remove unused
code.

Fix this by marking create_huge_pmd() inline.

Fixes: 16981d7635 ("mm: improve readability of transparent_hugepage_enabled()")
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Geert Uytterhoeven <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Geert Uytterhoeven 2017-07-12 14:33:08 -07:00 • committed by Linus Torvalds
commit 91a90140f9
1 changed files with 1 additions and 1 deletions
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2
mm/memory.c
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@ -3591,7 +3591,7 @@ out:
return 0;
}
static int create_huge_pmd(struct vm_fault *vmf)
static inline int create_huge_pmd(struct vm_fault *vmf)
{
if (vma_is_anonymous(vmf->vma))
return do_huge_pmd_anonymous_page(vmf);