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Fix 4 KiB memory leak on x86_64 for each process.

This commit is contained in:
Jonas 'Sortie' Termansen 2014-05-15 17:30:12 +02:00
parent 73cea916d9
commit 0c48dfca96
1 changed files with 5 additions and 5 deletions
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10
kernel/x64/memorymanagement.cpp
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@ -52,9 +52,9 @@ void InitCPU()
// mapped the first 2 MiB. This code finishes the job such that
// virtual memory is fully usable and manageable.
// boot.s already initialized everything from 0x1000UL to 0xE000UL
// to zeroes. Since these structures are already used, doing it here
// will be very dangerous.
// boot.s already initialized everything from 0x21000UL to 0x2F000UL to
// zeroes. Since these structures are already used, doing it here would
// destroying the existing data.
PML* const BOOTPML4 = (PML* const) 0x21000UL;
PML* const BOOTPML3 = (PML* const) 0x26000UL;
@ -85,7 +85,7 @@ void InitCPU()
PML* const FORKPML1 = (PML* const) 0x2A000UL;
BOOTPML3->entry[0] = (addr_t) FORKPML2 | flags | PML_FORK;
BOOTPML2->entry[0] = (addr_t) FORKPML1 | flags | PML_FORK;
FORKPML2->entry[0] = (addr_t) FORKPML1 | flags | PML_FORK;
currentdir = (addr_t) BOOTPML4;
@ -148,7 +148,7 @@ void DestroyAddressSpace(addr_t fallback, void (*func)(addr_t, void*), void* use
addr_t fractal3 = (PMLS[4] + 0)->entry[510UL];
addr_t fork2 = (PMLS[3] + 510UL)->entry[0];
addr_t fractal2 = (PMLS[3] + 510UL)->entry[510];
addr_t fork1 = (PMLS[2] + 510UL * 512UL + 510UL)->entry[0];
addr_t fork1 = (PMLS[2] + 510UL * 512UL + 0)->entry[0];
addr_t fractal1 = (PMLS[2] + 510UL * 512UL + 510UL)->entry[510];
addr_t dir = currentdir;