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Commit a2d771c0 authored by Ian Campbell's avatar Ian Campbell Committed by Jeremy Fitzhardinge
Browse files

xen: correct size of level2_kernel_pgt 



sizeof(pmd_t *) is 4 bytes on 32-bit PAE leading to an allocation of
only 2048 bytes. The correct size is sizeof(pmd_t) giving us a full
page allocation.

Signed-off-by: default avatarIan Campbell <ian.campbell@citrix.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
parent 18cb657c

arch/x86/xen/mmu.c

+1 −1
Original line number Diff line number Diff line
@@ -2126,7 +2126,7 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, 
{

	pmd_t *kernel_pmd;



	level2_kernel_pgt = extend_brk(sizeof(pmd_t *) * PTRS_PER_PMD, PAGE_SIZE);

	level2_kernel_pgt = extend_brk(sizeof(pmd_t) * PTRS_PER_PMD, PAGE_SIZE);



	max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->pt_base) +

				  xen_start_info->nr_pt_frames * PAGE_SIZE +