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Commit 98d1e64f authored by Michel Lespinasse's avatar Michel Lespinasse Committed by Linus Torvalds
Browse files

mm: remove free_area_cache 



Since all architectures have been converted to use vm_unmapped_area(),
there is no remaining use for the free_area_cache.

Signed-off-by: default avatarMichel Lespinasse <walken@google.com>
Acked-by: default avatarRik van Riel <riel@redhat.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 61b0d760

arch/arm/mm/mmap.c

+0 −2
Original line number Diff line number Diff line
@@ -181,11 +181,9 @@ void arch_pick_mmap_layout(struct mm_struct *mm) 
	if (mmap_is_legacy()) {

		mm->mmap_base = TASK_UNMAPPED_BASE + random_factor;

		mm->get_unmapped_area = arch_get_unmapped_area;

		mm->unmap_area = arch_unmap_area;

	} else {

		mm->mmap_base = mmap_base(random_factor);

		mm->get_unmapped_area = arch_get_unmapped_area_topdown;

		mm->unmap_area = arch_unmap_area_topdown;

	}

}

arch/arm64/mm/mmap.c

+0 −2
Original line number Diff line number Diff line
@@ -90,11 +90,9 @@ void arch_pick_mmap_layout(struct mm_struct *mm) 
	if (mmap_is_legacy()) {

		mm->mmap_base = TASK_UNMAPPED_BASE;

		mm->get_unmapped_area = arch_get_unmapped_area;

		mm->unmap_area = arch_unmap_area;

	} else {

		mm->mmap_base = mmap_base();

		mm->get_unmapped_area = arch_get_unmapped_area_topdown;

		mm->unmap_area = arch_unmap_area_topdown;

	}

}

EXPORT_SYMBOL_GPL(arch_pick_mmap_layout);

arch/mips/mm/mmap.c

+0 −2
Original line number Diff line number Diff line
@@ -158,11 +158,9 @@ void arch_pick_mmap_layout(struct mm_struct *mm) 
	if (mmap_is_legacy()) {

		mm->mmap_base = TASK_UNMAPPED_BASE + random_factor;

		mm->get_unmapped_area = arch_get_unmapped_area;

		mm->unmap_area = arch_unmap_area;

	} else {

		mm->mmap_base = mmap_base(random_factor);

		mm->get_unmapped_area = arch_get_unmapped_area_topdown;

		mm->unmap_area = arch_unmap_area_topdown;

	}

}

arch/powerpc/mm/mmap.c

+0 −2
Original line number Diff line number Diff line
@@ -92,10 +92,8 @@ void arch_pick_mmap_layout(struct mm_struct *mm) 
	if (mmap_is_legacy()) {

		mm->mmap_base = TASK_UNMAPPED_BASE;

		mm->get_unmapped_area = arch_get_unmapped_area;

		mm->unmap_area = arch_unmap_area;

	} else {

		mm->mmap_base = mmap_base();

		mm->get_unmapped_area = arch_get_unmapped_area_topdown;

		mm->unmap_area = arch_unmap_area_topdown;

	}

}

arch/s390/mm/mmap.c

+0 −4
Original line number Diff line number Diff line
@@ -91,11 +91,9 @@ void arch_pick_mmap_layout(struct mm_struct *mm) 
	if (mmap_is_legacy()) {

		mm->mmap_base = TASK_UNMAPPED_BASE;

		mm->get_unmapped_area = arch_get_unmapped_area;

		mm->unmap_area = arch_unmap_area;

	} else {

		mm->mmap_base = mmap_base();

		mm->get_unmapped_area = arch_get_unmapped_area_topdown;

		mm->unmap_area = arch_unmap_area_topdown;

	}

}
@@ -176,11 +174,9 @@ void arch_pick_mmap_layout(struct mm_struct *mm) 
	if (mmap_is_legacy()) {

		mm->mmap_base = TASK_UNMAPPED_BASE;

		mm->get_unmapped_area = s390_get_unmapped_area;

		mm->unmap_area = arch_unmap_area;

	} else {

		mm->mmap_base = mmap_base();

		mm->get_unmapped_area = s390_get_unmapped_area_topdown;

		mm->unmap_area = arch_unmap_area_topdown;

	}

}