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authorIan Campbell <ian.campbell@citrix.com>2010-10-29 17:56:19 +0200
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2010-10-29 21:23:57 +0200
commita2d771c036eb8c040683089ca04c36dfb93a0e60 (patch)
tree55394b437f5dcd0f67027ed9d00cf7c3114f821f /arch
parentMerge branch 'stable/xen-pcifront-0.8.2' of git://git.kernel.org/pub/scm/linu... (diff)
downloadlinux-a2d771c036eb8c040683089ca04c36dfb93a0e60.tar.xz
linux-a2d771c036eb8c040683089ca04c36dfb93a0e60.zip
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: Ian Campbell <ian.campbell@citrix.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/xen/mmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index c237b810b03f..21ed8d7f75a5 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -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 +