Commit 176056fd authored Jun 30, 2021 by Chen Li Committed by Linus Torvalds Jun 30, 2021

nommu: remove __GFP_HIGHMEM in vmalloc/vzalloc

mm/nommu.c:
void *__vmalloc(unsigned long size, gfp_t gfp_mask)
{
	/*
	 *  You can't specify __GFP_HIGHMEM with kmalloc() since kmalloc()
	 * returns only a logical address.
	 */
	return kmalloc(size, (gfp_mask | __GFP_COMP) & ~__GFP_HIGHMEM);
}

nommu's __vmalloc just uses kmalloc internally and elimitates
__GFP_HIGHMEM, so it makes no sense to add __GFP_HIGHMEM for nommu's
vmalloc/vzalloc.

[akpm@linux-foundation.org: coding style fixes]

Link: https://lkml.kernel.org/r/875z00rnp8.wl-chenli@uniontech.com


Signed-off-by: Chen Li <chenli@uniontech.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 1212e00c

mm/nommu.c

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -223,7 +223,7 @@ long vread(char buf, char addr, unsigned long count)
	*/		*/
	void *vmalloc(unsigned long size)		void *vmalloc(unsigned long size)
	{		{
	return __vmalloc(size, GFP_KERNEL \| __GFP_HIGHMEM);		return __vmalloc(size, GFP_KERNEL);
	}		}
	EXPORT_SYMBOL(vmalloc);		EXPORT_SYMBOL(vmalloc);

	@@ -241,7 +241,7 @@ EXPORT_SYMBOL(vmalloc);
	*/		*/
	void *vzalloc(unsigned long size)		void *vzalloc(unsigned long size)
	{		{
	return __vmalloc(size, GFP_KERNEL \| __GFP_HIGHMEM \| __GFP_ZERO);		return __vmalloc(size, GFP_KERNEL \| __GFP_ZERO);
	}		}
	EXPORT_SYMBOL(vzalloc);		EXPORT_SYMBOL(vzalloc);